CN109283211A - A kind of Multi-parameter coupling drop evaporation experiment channel - Google Patents
A kind of Multi-parameter coupling drop evaporation experiment channel Download PDFInfo
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- CN109283211A CN109283211A CN201811311355.7A CN201811311355A CN109283211A CN 109283211 A CN109283211 A CN 109283211A CN 201811311355 A CN201811311355 A CN 201811311355A CN 109283211 A CN109283211 A CN 109283211A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/12—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of critical point; of other phase change
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Abstract
The invention discloses a kind of Multi-parameter coupling drop evaporation experiment channel, in a ring, including successively end to end fan section, temperature adjustment section, boost section, rectification section, steady flow segment and experimental section is provided with station, heater, radiation gauges in test section in channel.The present invention has the advantage that blower, heating wire and booster pump are all connected to control system compared with prior art, the power that blower, heater strip and blower are controlled by the signal of collector helps to realize evaporation indoor air velocity, temperature and pressure is in stable state；Radiation gauges are mounted on lifting operating platform and identical as its height, can measure the radiancy variation in evaporation process；Flow straightening grid is set in corner, keeps interior air-flow disturbance in channel smaller；Rectification section is disposed with rectification layer, keeps experimental section air inlet more uniform；The droplet morphology variation of evaporation process can be monitored in real time in evaporation chamber outer wall setting windowpane.
Description
Technical field
The present invention relates to the drop evaporations of evaporation technique field more particularly to a kind of variable wind speed, temperature and pressure
Experiment porch.
Background technique
With the further investigation to drop evaporation process, the accurate control of parameters of technique process is to drop evaporation process mechanism
Correct Analysis it is more and more important.The droplet morphology of real-time change, temperature and radiancy are exactly particularly significant in evaporation process
Parameters of technique process.But from the point of view of the investigation situation to the research of domestic and international evaporation technique and evaporation equipment development, state at present
It is inside and outside still accurate simultaneously to record and measure drop shape under the conditions of varying environment air velocity, temperature and radiation intensity
The evaporation experiment platform of state real-time change, existing evaporation experiment platform mostly can only carry out liquid under the conditions of changing unitary variant
Evaporation experiment is dripped, can not study simultaneously influences brought by Multi-parameter coupling, and experimental implementation is complicated, is unfavorable for evaporating the depth of mechanism
Enter research.
Summary of the invention
It is logical that it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of Multi-parameter coupling drop evaporation experiments
Road.
The present invention is achieved by the following technical solutions: a kind of Multi-parameter coupling drop evaporation experiment channel, feature
Be: Multi-parameter coupling drop evaporation experiment channel includes fan section, temperature adjustment section, boost section, rectification section, steady flow segment and experiment
Section, fan section, temperature adjustment section, boost section, rectification section, steady flow segment and experimental section successively join end to end to form a circular passage；Test
It is provided with station, heater, radiation gauges, station in section to be horizontally placed in test section, radiation gauges are set to
The fixed device of drop is additionally provided on station, on station；Steady flow segment is hollow tubular structure, is provided in steady flow segment
Pressure sensor, anemobiagraph and thermocouple；Rectification layer net is provided in rectification section；Boost section is equipped with booster pump, booster pump
Outlet is connected to boost section；Electric heater unit is provided in temperature adjustment section；Blower is provided in fan section.
As further improvement of these options, the outer layer in Multi-parameter coupling drop evaporation experiment channel is provided with guarantor
Warm layer.
As further improvement of these options, the cross section of temperature adjustment section is less than the cross section of fan section.
As further improvement of these options, electric heater unit selects electric heating wire, and electric heating wire is provided with incessantly
One row, the distance between every row's electric heating wire are adjustable.
As further improvement of these options, lifting device is additionally provided in test section, station is set to lifting
On device.
As further improvement of these options, the channel side wall of test section is provided with observation window.
As further improvement of these options, the channel side wall of test section is provided with operation window, operation window and sight
The not ipsilateral that window is located at channel is examined, operation window is connect by sealing ring and screw with channel side wall.
As further improvement of these options, fan section, temperature adjustment section, boost section, rectification section, steady flow segment and experimental section
It is straight pipe type channel, Multi-parameter coupling evaporation experiment channel further includes bending channel, and bending channel is logical for connecting straight pipe type
Road forms the circular passage of closure, bend rectification barrier is provided in bending channel, it is in arc-shaped, bend that bend, which rectifies barrier,
The curved surface circle of rectification barrier is overlapped with the center location in bending channel.
As further improvement of these options, pressure sensor, anemobiagraph and thermocouple in steady flow segment pass through
The jack installation being set on channel side wall.
As further improvement of these options, blower, electric heater unit and booster pump are connect with controller, pressure
Sensor, anemobiagraph, thermocouple and radiation gauges are connect with data collector, controller and data collector with control
Computer connection.
The present invention has the advantage that compared with prior art connects blower, heating wire and the booster pump in experimental provision
It is connected to control system, the power of blower, heater strip and blower is controlled by the signal of collector, is helped to realize in vaporization chamber
Wind speed, temperature and pressure are in stable state；By anemometry instrument, pressure sensor, thermocouple and radiation gauges and computer
It is connected, so as to real-time recorded data, facilitates the acquisition and later data analysis of data；Radiation gauges are mounted on descending operation
It is on platform and identical as its height, to measure the variation of the radiancy in evaporation process；Flow straightening grid is set in corner, makes channel
Interior air-flow disturbance is smaller；Rectification section is disposed with rectification layer, keeps experimental section air inlet more uniform；Evaporating chamber outer wall setting windowpane can
Changed with the droplet morphology of real-time monitoring evaporation process.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
A kind of Multi-parameter coupling drop evaporation experiment channel, it is characterised in that: Multi-parameter coupling drop evaporation experiment channel
Including fan section 1, temperature adjustment section 2, boost section 3, rectification section 4, steady flow segment 5 and experimental section, fan section 1, temperature adjustment section 2, boost section 3,
Rectification section 4, steady flow segment 5 and experimental section successively join end to end to form a circular passage；It is provided with station 61 in test section 6, adds
Hot device 62, radiation gauges 63, station 61 are horizontally placed in test section 6, and radiation gauges 63 are set on station 61,
The fixed device 64 of drop is additionally provided on station 61；Steady flow segment 5 is hollow tubular structure, and pressure is provided in steady flow segment 5
Force snesor 51, anemobiagraph 52 and thermocouple 53；Rectification layer net 41 is provided in rectification section 4；Boost section 3 is equipped with booster pump
31, the outlet of booster pump 31 is connected to boost section 3；Electric heater unit 21 is provided in temperature adjustment section 2；Wind is provided in fan section 1
Machine 11.
Outer layer in Multi-parameter coupling drop evaporation experiment channel is provided with insulating layer.
The cross section of temperature adjustment section 2 is less than the cross section of fan section 1.The reduction of channel size can be improved the flow velocity of air-flow,
To increase the heat transfer efficiency between air-flow and electric heater unit 21.
Electric heater unit 21 selects electric heating wire, and electric heating wire is provided with a more than row, between every row's electric heating wire away from
From adjustable.It can suitably be adjusted between electric heating wire when changing temperature of the electric heating wire underpower to realize test requirements document
Distance, to reach experiment condition.
Lifting device 69 is additionally provided in test section 6, station 61 is set on lifting device 69.Pass through lifting device 69
Drop is evaporated at a distance from radiation source to change, for investigating the evaporation situation of drop under different distance.
The channel side wall of test section 6 is provided with observation window 65.Observation window 65 be used to the form of drop carry out observation and
Measurement.
The channel side wall of test section 6 is provided with operation window 66, operation window 66 is located at the not ipsilateral of channel with observation window 65
Face, operation window 66 are connect by sealing ring 68 and screw 67 with channel side wall.Operation window 66 can be opened, with dropping test material
With the relevant parameter for adjusting station 61.
Fan section 1, temperature adjustment section 2, boost section 3, rectification section 4, steady flow segment 5 and experimental section are straight pipe type channel, multi-parameter
Coupling evaporation experiment channel further includes bending channel 7, and the annular that bending channel 7 is used to connect straight pipe type channel formation closure is logical
Road is provided with bend rectification barrier 71 in bending channel 7, and it is in arc-shaped that bend, which rectifies barrier 71, and bend rectifies barrier 71
Curved surface circle is overlapped with the center location in bending channel 7.When air-flow flows, the turning when encountering bending channel 7, air-flow holds at this time
Turbulent flow easily occurs can have certain influence to influence the stability of 6 air-flow of test section to liquid film form, whole using bend
Stream barrier 71 is combined with rectification section 4 can maximally reduce flow perturbation.
Pressure sensor 51, anemobiagraph 52 and thermocouple 53 in steady flow segment 5 are by being set to inserting on channel side wall
Hole installation.
Blower 11, electric heater unit 21 and booster pump 31 are connect with controller 82, pressure sensor 51, anemobiagraph 52,
Thermocouple 53 and radiation gauges 63 connect 81 with data collector, and controller 82 and data collector 81 are calculated with control
Machine 8 connects.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of Multi-parameter coupling drop evaporation experiment channel, it is characterised in that: the Multi-parameter coupling drop evaporation experiment is logical
Road includes fan section, temperature adjustment section, boost section, rectification section, steady flow segment and experimental section, the fan section, temperature adjustment section, boost section, whole
Stream section, steady flow segment and experimental section successively join end to end to form a circular passage；Station, heating are provided in the test section
Device, radiation gauges, the station are horizontally placed in the test section, and the radiation gauges are set on station,
The fixed device of drop is additionally provided on the station；The steady flow segment is hollow tubular structure, is set in the steady flow segment
It is equipped with pressure sensor, anemobiagraph and thermocouple；Rectification layer net is provided in the rectification section；The boost section is equipped with pressurization
Pump, the outlet of the booster pump is connected to boost section；Electric heater unit is provided in the temperature adjustment section；Setting in the fan section
There is blower.
2. a kind of Multi-parameter coupling drop evaporation experiment channel as described in claim 1, it is characterised in that: in the multi-parameter coupling
The outer layer for closing drop evaporation experiment channel is provided with insulating layer.
3. a kind of Multi-parameter coupling drop evaporation experiment channel as described in claim 1, it is characterised in that: the cross of the temperature adjustment section
Section is less than the cross section of the fan section.
4. a kind of Multi-parameter coupling drop evaporation experiment channel as claimed in claim 3, it is characterised in that: the electric heater unit
Electric heating wire is selected, the electric heating wire is provided with a more than row, and the distance between every row's electric heating wire is adjustable.
5. a kind of Multi-parameter coupling drop evaporation experiment channel as described in claim 1, it is characterised in that: in the test section also
It is provided with lifting device, the station is set on lifting device.
6. a kind of Multi-parameter coupling drop evaporation experiment channel as described in claim 1, it is characterised in that: in the channel of test section
Side wall is provided with observation window.
7. a kind of Multi-parameter coupling drop evaporation experiment channel as claimed in claim 6, it is characterised in that: in the channel of test section
Side wall is provided with operation window, and the operation window and the observation window are located at the not ipsilateral in channel, and the operation window passes through sealing
Circle and screw are connect with channel side wall.
8. a kind of Multi-parameter coupling drop evaporation experiment channel as described in claim 1, it is characterised in that: the fan section, tune
Temperature section, boost section, rectification section, steady flow segment and experimental section are straight pipe type channels, and Multi-parameter coupling evaporation experiment channel is also
Including bending channel, bending channel is used to connect the circular passage that straight pipe type channel forms closure, sets in the bending channel
It is equipped with bend rectification barrier, the bend rectification barrier is in arc-shaped, and bend rectifies curved surface circle and the bending channel of barrier
Center location is overlapped.
9. a kind of Multi-parameter coupling drop evaporation experiment channel as described in claim 1, it is characterised in that: in the steady flow segment
Pressure sensor, anemobiagraph and thermocouple are installed by the jack being set on channel side wall.
10. a kind of Multi-parameter coupling drop evaporation experiment channel as described in claim 1, it is characterised in that: the wind is mechanical, electrical to be added
Thermal and booster pump are connect with controller, and the pressure sensor, anemobiagraph, thermocouple and radiation gauges are and data
Collector connection, the controller and the data collector are connect with control computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311355.7A CN109283211B (en) | 2018-11-06 | 2018-11-06 | Multi-parameter coupling liquid drop evaporation experiment channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311355.7A CN109283211B (en) | 2018-11-06 | 2018-11-06 | Multi-parameter coupling liquid drop evaporation experiment channel |
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| CN109283211A true CN109283211A (en) | 2019-01-29 |
| CN109283211B CN109283211B (en) | 2021-10-15 |
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| CN201811311355.7A Active CN109283211B (en) | 2018-11-06 | 2018-11-06 | Multi-parameter coupling liquid drop evaporation experiment channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327067A (en) * | 2020-10-20 | 2021-02-05 | 郑州大学 | Flow-induced vibration energy harvesting model performance experiment testing device |
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| CN109283211B (en) | 2021-10-15 |
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