CN109238828A - The test method and device of controllable rock sample temperature - Google Patents
The test method and device of controllable rock sample temperature Download PDFInfo
- Publication number
- CN109238828A CN109238828A CN201811188391.9A CN201811188391A CN109238828A CN 109238828 A CN109238828 A CN 109238828A CN 201811188391 A CN201811188391 A CN 201811188391A CN 109238828 A CN109238828 A CN 109238828A
- Authority
- CN
- China
- Prior art keywords
- temperature
- rock sample
- tube body
- rock
- coolant liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The application provides the test method and device of a kind of controllable rock sample temperature, and this method comprises the following steps: the tube body that temperature-measuring optical fiber string is distributed in surrounding is preset in rock sample.According to the set temperature of rock sample, the coolant liquid section of different temperatures is arranged, and the coolant liquid section that arrangement is completed is transmitted to by the intracorporal corresponding position of pipe by pulse.The temperature of temperature-measuring optical fiber string real-time monitoring tube body surrounding rock test specimen.When temperature-measuring optical fiber string monitors that the rock sample temperature around tube body is different from the set temperature of rock sample, the temperature of corresponding coolant liquid section in regulation pipe body, until the temperature of tube body surrounding rock test specimen reaches dynamic equilibrium within a predetermined range around set temperature.The present invention can realize the accuracy controlling to rock sample cryogenic temperature field inside the rock sample, can real-time monitoring rock sample during the test temperature field.The requirement for meeting rock mechanics experiment under complicated cryogenic temperature field action, effectively eliminates damage of the low temperature to testing equipment.
Description
Technical field
The present invention relates to rock mechanics experiment temperature techniques field, especially a kind of test of controllable rock sample temperature
Method and device.
Background technique
With the continuous development of China's oil production technique, the cryogens such as liquid nitrogen, liquid carbon dioxide are more and more
It is applied in the pressing crack construction of oil/gas well, cryogen fracturing technology can effectively improve the recovery ratio of oil/gas well.In recent years, low
Rock mechanics experiment under the conditions of temperature is gradually taken seriously, and studying the mechanical properties of rock under cryogenic conditions is to carry out cryogen
One necessary basis of FRACTURING DESIGN.And the successful key factor of rock mechanics experiment has been that one under cryogenic conditions
Regulatable low temperature environment.
It currently, the existing Technical comparing for carrying out low-temperature treatment to rock sample is more, but is all to regulate and control rock from outside
The temperature of test specimen can only create fairly simple cryogenic temperature field to rock sample, be not able to satisfy complicated cryogenic temperature field and make
With the requirement of lower rock mechanics experiment；It is made moreover, carrying out most of testing equipment of rock mechanics experiment of metal material,
Metal property under certain cold service can change, and cause the precision of testing equipment out of hand, or even can be to test
Equipment causes permanent damage.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, technical problem to be solved by the invention is to provide a kind of controllable rocks
The test method and device of stone test specimen temperature can be realized inside rock sample to the accurate of rock sample cryogenic temperature field
Regulation, and it is capable of the temperature field of real-time monitoring rock sample during the test.
The specific technical solution of the present invention is:
The present invention provides a kind of test method of controllable rock sample temperature, and this method comprises the following steps:
The tube body that temperature-measuring optical fiber string is distributed in surrounding is preset in rock sample；
According to the set temperature of the rock sample, the coolant liquid section of different temperatures is arranged, and will be arranged by pulse
The coolant liquid section of completion is transmitted to the intracorporal corresponding position of the pipe；
The temperature of tube body surrounding rock test specimen described in the temperature-measuring optical fiber string real-time monitoring；
When the temperature-measuring optical fiber string monitors that the rock sample temperature around the tube body is different from the rock sample
When set temperature, the temperature of corresponding coolant liquid section in the tube body is adjusted, until the temperature of the tube body surrounding rock test specimen is enclosed
Until reaching dynamic equilibrium within a predetermined range around the set temperature.
In one preferred embodiment, the rock sample temperature around the tube body is different from the rock sample
Set temperature, comprising:
Rock sample temperature around the tube body is higher than the set temperature of the rock sample；And/or
Rock sample temperature around the tube body is lower than the set temperature of the rock sample.
In one preferred embodiment, the temperature of corresponding coolant liquid section in the tube body is adjusted, comprising: according to described
The set temperature of rock sample again arranges the coolant liquid section of different temperatures, and will rearrange the cold of completion by pulse
But liquid section is transmitted to the intracorporal corresponding position of the pipe.
In one preferred embodiment, it rearranges and completes the coolant liquid section behind the intracorporal position of the pipe,
The temperature of temperature-measuring optical fiber string tube body surrounding rock test specimen described in real-time monitoring again；When the temperature-measuring optical fiber string monitors again
When rock sample temperature around to the tube body is different from the set temperature of the rock sample, adjusted in the tube body again
The temperature of corresponding coolant liquid section, until the temperature of the tube body surrounding rock test specimen surrounds the set temperature within a predetermined range
Until reaching dynamic equilibrium.
In one preferred embodiment, the preset range is between 0.05 DEG C to 0.1 DEG C.
In one preferred embodiment, the coolant liquid is the mixed liquor of water and ethyl alcohol, wherein the quality of ethyl alcohol point
Number is 92.4%.
In one preferred embodiment, the set temperature is -123 DEG C to 0 DEG C.
In addition, the present invention also provides a kind of test methods using controllable rock sample temperature described in any of the above embodiments
Experimental rig, comprising:
The tube body being preset in the rock sample, the tube body is interior to have coolant liquid section；
The temperature around the tube body, for tube body surrounding rock test specimen described in real-time monitoring is arranged in temperature-measuring optical fiber string
Degree.
In one preferred embodiment, the tube body is made of carbon fibre composite.
In one preferred embodiment, the both ends of the tube body are equipped with heat-insulated valve.
By above technical solution, the beneficial effects of the present application are as follows:
The present invention can realize the accuracy controlling to rock sample cryogenic temperature field inside the rock sample, and can be
The temperature field of real-time monitoring rock sample during test.Rock mechanics under complicated cryogenic temperature field action can not only be met to try
The requirement tested, additionally it is possible to effectively eliminate or weaken cold service damage caused by testing equipment.The present invention is applied widely,
The requirement that can satisfy rock mechanics experiment under a variety of cryogenic conditions, has broad application prospects.
Referring to following description and accompanying drawings, specific implementations of the present application are disclosed in detail, specify the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed in the present application in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding to the application, and
It is not the specific shape and proportional sizes for limiting each component of the application.Those skilled in the art, can under teachings of the present application
Implement the application to select various possible shapes and proportional sizes as the case may be.In the accompanying drawings:
Fig. 1 is the test method flow chart of the controllable rock sample temperature of the application embodiment；
Fig. 2 is the experimental rig structural schematic diagram of the controllable rock sample temperature of the application embodiment；
Fig. 3 is the waveform diagram of computer system output pulse signal；
Fig. 4 is any point Temperature-time relation curve inside rock sample.
The appended drawing reference of the figures above: 1, temperature-measuring optical fiber string；2, tube body；3, coolant liquid section；4, pulse.
Specific embodiment
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is carried out clear
Chu is fully described by, it is clear that described embodiment is only a part of embodiment of the application, rather than whole realities
Apply mode.Based on the embodiment in the application, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
As shown in Figure 1, the present invention provides a kind of test method of controllable rock sample temperature, this method includes following step
It is rapid:
S1: the tube body 2 that temperature-measuring optical fiber string 1 is distributed in surrounding is preset in rock sample；
S2: according to the set temperature of the rock sample, the coolant liquid section 3 of different temperatures being arranged, and passing through pulse 4 will
The coolant liquid section 3 that arrangement is completed is transmitted to the corresponding position in the tube body 2；
S3: the temperature of 2 surrounding rock test specimen of tube body described in 1 real-time monitoring of temperature-measuring optical fiber string；
S4: when the temperature-measuring optical fiber string 1 monitors that the rock sample temperature around the tube body 2 is tried different from the rock
When the set temperature of part, the temperature of corresponding coolant liquid section 3 in the tube body 2 is adjusted, until the 2 surrounding rock test specimen of tube body
Until temperature reaches dynamic equilibrium within a predetermined range around the set temperature.
In the present embodiment, it is necessary first to which the tube body 2 that temperature-measuring optical fiber string 1 is distributed in surrounding is preset in rock sample
In.The tube body 2 can need to be preset in the rock sample in certain spatial shape according to actual test conditions, for example,
The a-quadrant inside a cube rock sample, such as temperature field to control a-quadrant, so that it may according to the thermally conductive system of material
Number, room temperature condition etc. are calculated by computer system model, so that the optimum position of the arrangement of tube body 2 is obtained, it is then right again
Spatial shape of the tube body 2 in rock sample is arranged.
Before the test, it will usually need to set rock sample different zones different temperature according to test, then
The coolant liquid section 3 of different temperatures can be arranged outside rock sample according to the set temperature of the rock sample.Example
Such as, the both ends of tube body 2 can extend in outside rock sample, and then wherein one end of tube body 2 can connect multiple splendid attires differences
The coolant bottle of temperature coolant liquid.Needed for one end that the coolant liquid of different temperatures is input to tube body 2 being formed as required
The coolant liquid section 3 of different temperatures.After input is completed, attached drawing 3 and attached drawing 4 are referred to, then the cold of completion will be arranged by pulse 4
But liquid section 3 is transmitted to the corresponding position in the tube body 2 in rock sample.That is, in tube body 2 different location cooling
Liquid section 3 can have different temperature, this depends primarily on the temperature value size that computer system is set in corresponding position.It is cold
But liquid section 3 is mainly to be arranged according to the temperature of setting.Such as the rock sample around tube body 2 is needed to set n temperature
Section, corresponding n different temperature.So n temperature section can be set in corresponding position on tube body 2, then each temperature
The temperature section that can all have computer system to adjust in section is corresponding to it, and this makes it possible to realize to each section of temperature around tube body 2
Regulation, to reach the demand in preset temperature field.
It should be noted that due to coolant liquid it is relatively applicable be water and ethyl alcohol (H2O-CH3CH2OH) mixed liquor, wherein second
Alcohol mass fraction can be 92.4%, and the freezing point of the solution is -123 DEG C at this time, i.e. the minimum temperature that can arrive of the solution can be with
It is -123 DEG C.So the temperature range of setting can be -123 DEG C to 0 DEG C.
In turn, it can use the temperature of 2 surrounding rock test specimen of tube body described in 1 real-time monitoring of temperature-measuring optical fiber string around tube body 2
Degree.When the temperature-measuring optical fiber string 1 monitors that the rock sample temperature around the tube body 2 is different from the setting of the rock sample
When temperature, the temperature of corresponding coolant liquid section 3 in the adjustable tube body 2, until the temperature of the 2 surrounding rock test specimen of tube body
Until reaching dynamic equilibrium within a predetermined range around the set temperature, rock is tried during the test so as to realize
The accuracy controlling of part cryogenic temperature field.
Specifically, it when the rock sample temperature around the tube body 2 is higher than the set temperature of the rock sample, calculates
Machine system will reduce the temperature of corresponding coolant liquid section 3.Rock sample temperature around the tube body 2 is tried lower than the rock
When the set temperature of part, computer system will increase the temperature of corresponding coolant liquid section 3, so on circulate, enclose until reaching
Around temperature fluctuation in the range (preset range) of a very little of setting.Preferably, the preset range arrives for 0.05 DEG C
Between 0.1 DEG C (precision of temperature-measuring optical fiber string).For example, if set temperature is 50 degree, corresponding temperature fluctuation range can
Think 49.9 DEG C to 50.1 DEG C.
It, can be according to the setting of the rock sample when needing to adjust the temperature of corresponding coolant liquid section 3 in the tube body 2
Temperature again arranges the coolant liquid section 3 of different temperatures, and is transmitted to the coolant liquid section 3 for rearranging completion by pulse 4
Corresponding position in the tube body 2.Then step S3 and S4 can be repeated, that is, rearranges and completes the coolant liquid section 3 in institute
After stating the position in tube body 2, the temperature-measuring optical fiber string 1 can 2 surrounding rock test specimen of tube body described in real-time monitoring again temperature.
When the temperature-measuring optical fiber string 1 monitors that the rock sample temperature around the tube body 2 is different from (be higher than and/or be lower than) institute again
When stating the set temperature of rock sample, the temperature of corresponding coolant liquid section 3 in the tube body 2 can also be adjusted again, until described
It, can be with this until the temperature of 2 surrounding rock test specimen of tube body reaches dynamic equilibrium within a predetermined range around the set temperature
The temperature of 2 surrounding rock test specimen of tube body is adjusted repeatedly.
In addition, referring to attached drawing 2, controllable rock sample temperature described in any of the above embodiments is used the present invention also provides a kind of
The experimental rig of the test method of degree, comprising: the tube body 2 and temperature-measuring optical fiber string 1 being preset in the rock sample.The tube body
There is coolant liquid section 3 in 2.Temperature-measuring optical fiber string 1 can be uniformly arranged on around the tube body 2, for tube body 2 described in real-time monitoring
The temperature of surrounding rock test specimen.
Specifically, the tube body 2 can be made of carbon fibre composite.One side carbon fibre composite has good
Good heating conduction, and also being capable of normal use under the conditions of ultralow temperature (- 196 DEG C).Another aspect carbon fibre composite
Thermal conductivity has very strong anisotropy, can accomplish radially with good thermal conductivity, poor along axial thermal conductivity, thus real
The regulation of each 3 pairs of its surrounding rock temperature of coolant liquid section in existing tube body 2, reduces heat caused by 2 thermal conductivity of tube body and transmits.Separately
Outside, carbon fibre composite compression strength, bending strength etc. are relatively high, and tube body 2 can be under conditions of rock has confining pressure effect
It works normally.
In addition, the both ends of the tube body 2 are also equipped with heat-insulated valve.Computer system can pass through certain energy
Original 3 displacement of coolant liquid section is gone out in pulse 4, and is calculated to cooperate with valve and completed the time of this process.Pass through
The opening and closing of valve control whether coolant liquid section 3 flows jointly, reach coolant liquid section 3 being transmitted to 2 corresponding positions of tube body
The purpose set.
The test method and device of controllable rock sample temperature of the invention can be realized inside rock sample to rock
The accuracy controlling of stone test specimen cryogenic temperature field, and it is capable of the temperature field of real-time monitoring rock sample during the test.Not only
It can satisfy the requirement of rock mechanics experiment under complicated cryogenic temperature field action, additionally it is possible to effectively eliminate or weaken cold service pair
It is damaged caused by testing equipment.The present invention is applied widely, can satisfy wanting for rock mechanics experiment under a variety of cryogenic conditions
It asks, has broad application prospects.
It should be noted that heat-insulated valve provided in this embodiment etc. can select any appropriate existing construction.It is clear
Chu is briefly described technical solution provided by the present embodiment, will no longer repeat herein above-mentioned part, Figure of description
Also corresponding simplification has been carried out.However, it should be understood that therefore the present embodiment is not restricted in range.
Herein cited any digital value all include between lower limit value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity an of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that all possibility for the numerical value enumerated between minimum and peak
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to cover that " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to preceding claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part of theme.
Claims (10)
1. a kind of test method of controllable rock sample temperature, which is characterized in that this method comprises the following steps:
The tube body that temperature-measuring optical fiber string is distributed in surrounding is preset in rock sample；
According to the set temperature of the rock sample, the coolant liquid section of different temperatures is arranged, and is completed arrangement by pulse
Coolant liquid section be transmitted to the intracorporal corresponding position of the pipe；
The temperature of tube body surrounding rock test specimen described in the temperature-measuring optical fiber string real-time monitoring；
When the temperature-measuring optical fiber string monitors that the rock sample temperature around the tube body is different from the setting of the rock sample
When temperature, the temperature of corresponding coolant liquid section in the tube body is adjusted, until the temperature of the tube body surrounding rock test specimen surrounds institute
It states until set temperature reaches dynamic equilibrium within a predetermined range.
2. the test method of controllable rock sample temperature according to claim 1, which is characterized in that around the tube body
Rock sample temperature be different from the rock sample set temperature, comprising:
Rock sample temperature around the tube body is higher than the set temperature of the rock sample；And/or
Rock sample temperature around the tube body is lower than the set temperature of the rock sample.
3. the test method of controllable rock sample temperature according to claim 1, which is characterized in that adjust the tube body
The temperature of interior corresponding coolant liquid section, comprising: according to the set temperature of the rock sample, again by the coolant liquid section of different temperatures
Arrangement, and the coolant liquid section for rearranging completion is transmitted to by the intracorporal corresponding position of the pipe by pulse.
4. the test method of controllable rock sample temperature according to claim 3, which is characterized in that rearrange completion
The coolant liquid section is behind the intracorporal position of the pipe, the temperature-measuring optical fiber string examination of tube body surrounding rock described in real-time monitoring again
The temperature of part；When the temperature-measuring optical fiber string monitors that the rock sample temperature around the tube body is tried different from the rock again
When the set temperature of part, the temperature of corresponding coolant liquid section in the tube body is adjusted again, until the tube body surrounding rock test specimen
Temperature reach dynamic equilibrium within a predetermined range around the set temperature until.
5. the test method of controllable rock sample temperature according to claim 1, which is characterized in that the preset range
Between 0.05 DEG C to 0.1 DEG C.
6. the test method of controllable rock sample temperature according to claim 1, which is characterized in that the coolant liquid is
The mixed liquor of water and ethyl alcohol, wherein the mass fraction of ethyl alcohol is 92.4%.
7. the test method of controllable rock sample temperature according to claim 1, which is characterized in that the set temperature
It is -123 DEG C to 0 DEG C.
8. a kind of controllable rock using the test method of controllable rock sample temperature described in any of the above-described claim
The experimental rig of stone test specimen temperature characterized by comprising
The tube body being preset in the rock sample, the tube body is interior to have coolant liquid section；
The temperature around the tube body, for tube body surrounding rock test specimen described in real-time monitoring is arranged in temperature-measuring optical fiber string.
9. the experimental rig of controllable rock sample temperature according to claim 8, which is characterized in that the tube body uses
Carbon fibre composite is made.
10. the experimental rig of controllable rock sample temperature according to claim 8, which is characterized in that the tube body
Both ends are equipped with heat-insulated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188391.9A CN109238828B (en) | 2018-10-12 | 2018-10-12 | The test method and device of controllable rock sample temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188391.9A CN109238828B (en) | 2018-10-12 | 2018-10-12 | The test method and device of controllable rock sample temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109238828A true CN109238828A (en) | 2019-01-18 |
| CN109238828B CN109238828B (en) | 2019-10-29 |
Family
ID=65053171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811188391.9A Active CN109238828B (en) | 2018-10-12 | 2018-10-12 | The test method and device of controllable rock sample temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109238828B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101484101A (en) * | 2005-10-21 | 2009-07-15 | 辛辛那提冷藏产品公司 | Patient temperature control system with variable gradient warming/cooling |
| CN103015997A (en) * | 2013-01-16 | 2013-04-03 | 西南石油大学 | Filtration plugging testing apparatus and simulation method for process of fracture temporary plugging by ice crystals |
| CN103184865A (en) * | 2012-12-18 | 2013-07-03 | 中国石油化工股份有限公司 | Variable-temperature-field displacement simulator for multi-thermal fluid |
| CN104677778A (en) * | 2014-12-22 | 2015-06-03 | 中国石油大学(华东) | Device and method for evaluating temporarily freezing plugging properties of coalbed methane in process of fracturing |
| CN106908314A (en) * | 2017-04-26 | 2017-06-30 | 中国石油大学(华东) | Rock core thermic splits experimental system and method under a kind of hyperbaric environment |
| CN107462508A (en) * | 2017-08-16 | 2017-12-12 | 西南石油大学 | A kind of multi- scenarios method seepage flow multifunction experiment apparatus and method of testing |
| CN207345034U (en) * | 2017-10-19 | 2018-05-11 | 佛山市顺德区容声塑胶有限公司 | A kind of pulse cooling system being used in injection molding process |
| CN207366375U (en) * | 2017-10-06 | 2018-05-15 | 大连理工大学 | A kind of experimental provision of the rock rupture under liquid nitrogen cold shock effect |
| CN108344643A (en) * | 2018-02-02 | 2018-07-31 | 中国矿业大学 | A kind of three-axis force experimental rig and method that can simulate buried Artificial Frozen Soil formation condition |
| CN207942617U (en) * | 2018-01-22 | 2018-10-09 | 东莞骆恒塑胶制品有限公司 | A kind of mold with pulse cooling function |
-
2018
- 2018-10-12 CN CN201811188391.9A patent/CN109238828B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101484101A (en) * | 2005-10-21 | 2009-07-15 | 辛辛那提冷藏产品公司 | Patient temperature control system with variable gradient warming/cooling |
| CN103184865A (en) * | 2012-12-18 | 2013-07-03 | 中国石油化工股份有限公司 | Variable-temperature-field displacement simulator for multi-thermal fluid |
| CN103015997A (en) * | 2013-01-16 | 2013-04-03 | 西南石油大学 | Filtration plugging testing apparatus and simulation method for process of fracture temporary plugging by ice crystals |
| CN104677778A (en) * | 2014-12-22 | 2015-06-03 | 中国石油大学(华东) | Device and method for evaluating temporarily freezing plugging properties of coalbed methane in process of fracturing |
| CN106908314A (en) * | 2017-04-26 | 2017-06-30 | 中国石油大学(华东) | Rock core thermic splits experimental system and method under a kind of hyperbaric environment |
| CN107462508A (en) * | 2017-08-16 | 2017-12-12 | 西南石油大学 | A kind of multi- scenarios method seepage flow multifunction experiment apparatus and method of testing |
| CN207366375U (en) * | 2017-10-06 | 2018-05-15 | 大连理工大学 | A kind of experimental provision of the rock rupture under liquid nitrogen cold shock effect |
| CN207345034U (en) * | 2017-10-19 | 2018-05-11 | 佛山市顺德区容声塑胶有限公司 | A kind of pulse cooling system being used in injection molding process |
| CN207942617U (en) * | 2018-01-22 | 2018-10-09 | 东莞骆恒塑胶制品有限公司 | A kind of mold with pulse cooling function |
| CN108344643A (en) * | 2018-02-02 | 2018-07-31 | 中国矿业大学 | A kind of three-axis force experimental rig and method that can simulate buried Artificial Frozen Soil formation condition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109238828B (en) | 2019-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tsiok et al. | Logarithmic kinetics of the amorphous-amorphous transformations in SiO 2 and GeO 2 glasses under high pressure | |
| Godshalk et al. | Characterization of 350 Hz thermoacoustic driven orifice pulse tube refrigerator with measurements of the phase of the mass flow and pressure | |
| CN109211962A (en) | A kind of experimental rig and method for testing soil body differential frost heave coefficient | |
| CN105928975A (en) | Variable-atmosphere pressure heat conductivity coefficient testing device based on transient plane source method | |
| Tang et al. | Influence of resonance tube length on performance of thermoacoustically driven pulse tube refrigerator | |
| CN106248712A (en) | Seam method of making, the measuring method of microcrack density and the method for establishing model of microcrack and the preparation method of microcrack rock core in rock core | |
| CN109403940A (en) | Liquid nitrogen pressure break is applied to the experimental method and experimental provision of geothermal exploitation | |
| CN109238828B (en) | The test method and device of controllable rock sample temperature | |
| CN106325063A (en) | Method and device for quickly cooling | |
| CN217605529U (en) | Stretching device with temperature gradient environment | |
| CN207623192U (en) | High-temperature high-pressure and low-temperature high-pressure rheometer | |
| CN206740558U (en) | A kind of more test systems of the nano impress based on liquid nitrogen refrigerating | |
| Snodgrass et al. | Leveraging real fluid effects as a tool for power flow measurements in 4 K cryocooler regenerators | |
| Zhu | Two-stage pulse tube refrigerator with step displacer as phase shifter | |
| Grigoriev et al. | The influence of some heating surface properties on the critical heat flux in cryogenic liquids boiling | |
| CN106644440A (en) | Thermostatic expansion valve detection method and device | |
| CN106353360A (en) | Testing device for thermal expansion coefficient of irregular-shaped material at low temperature | |
| Li et al. | Thermal convection in an annular two-layer system under combined action of buoyancy and thermocapillary forces | |
| He et al. | Steady natural convection in a tilted long cylindrical envelope with lateral adiabatic surface, Part 1: theoretical modeling and numerical treatments | |
| CN213690627U (en) | Research platform for flow heat transfer and automatic control | |
| CN103076356B (en) | A kind of method utilizing pottery mud to control titanium alloy cooldown rate | |
| CN220872081U (en) | Novel cold and hot impact equipment for engine test | |
| Spoor | Anomalous temperature and amplitude-dependent performance characteristic of a 1000W/80K coldfinger | |
| Seo et al. | Investigation of radial temperature and velocity profiles in oscillating flows inside a pulse tube refrigerator | |
| CN109422884A (en) | High pressure regulates and controls the method and its application of isotactic poly-1-butylene crystal form II- crystal form I transformation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |