CN104315748B - Heat energy driven looped traveling-wave thermo-acoustic heat pump with flow guiders - Google Patents
Heat energy driven looped traveling-wave thermo-acoustic heat pump with flow guiders Download PDFInfo
- Publication number
- CN104315748B CN104315748B CN201410526732.4A CN201410526732A CN104315748B CN 104315748 B CN104315748 B CN 104315748B CN 201410526732 A CN201410526732 A CN 201410526732A CN 104315748 B CN104315748 B CN 104315748B
- Authority
- CN
- China
- Prior art keywords
- heat pump
- engine
- heat
- air deflector
- thermoacoustic
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a heat energy driven looped traveling-wave thermo-acoustic heat pump with flow guiders. The heat energy driven looped traveling-wave thermo-acoustic heat pump is of a loop which is formed by connecting one or more thermo-acoustic engine units and one or more thermo-acoustic heat pump units in series in an end-to-end manner; each thermo-acoustic engine unit comprises an engine first flow guider, an engine cold-side heat exchanger, an engine heat regenerator, an engine heater, an engine second flow guider, a heat buffer tube, a secondary cold-side heat exchanger and an engine resonance tube which are connected sequentially; each thermo-acoustic heat pump unit comprises a heat pump first flow guider, a heat pump high-temperature-side heat exchanger, a heat pump heat regenerator, a heat pump cold-side heat exchanger, a heat pump second flow guider and a heat pump resonance tube which are connected sequentially. According to the heat energy driven looped traveling-wave thermo-acoustic heat pump with the flow guiders, no moving component exists, the structure is simple, and a heat pumping effect is obtained through directly driving by a low-grade heat source; in addition, heat pumping for heat sources with relatively low temperature can be carried out, and heat pumping for heat sources with relatively high temperature can also be realized, so that the grade of the heat sources is increased, and then, the heat sources are utilized.
Description
Technical field
The present invention relates to thermo-acoustic engine, the loop traveling wave thermoacoustic heat with air deflector of more particularly, to a kind of heat-driven
Pump.
Background technology
In recent years, thermo-acoustic engine is as the new therrmodynamic system of complete movement-less part, because the work of its Oscillating flow is special
Property and potential stability, reliability, the long-life, using to environment nuisanceless working medium, can using heat-driven the advantages of and
The concern of extremely academia and industrial quarters, and achieved with many breakthrough progress.Especially U.S.'s Loews-my Mo Si state
The thermoacoustic machine engine that Backhaus and Swift in family laboratory et al. proposes, makes the performance of thermo-acoustic engine have significantly
Raising, the efficiency that its heat energy is changed to mechanical energy has been able to and conventional heat engines（As internal combustion engine etc.）Efficiency compare favourably.
Low grade heat energy（Waste heat, solar energy etc.）Using being one of study hotspot in energy science and technology field at this stage.So
And, current thermo-acoustic engine system is many to be driven using the higher thermal source of temperature, and this makes it in the competition with conventional heat engines
In cannot play its own advantage, and then significantly limit the practical space of thermo-acoustic technology.Therefore, how to reduce thermoacoustic system
System starting of oscillation and running temperature be thermoacoustic field an important technology difficult problem, low-temperature heat source drive thermoacoustic system be thermo-acoustic engine neck
One of recent important development direction in domain.Meanwhile, in existing traveling wave thermoacoustic system, when thermoacoustic engine temperature end
After heating-up temperature reduces, the Effective power that system is exported（Finally it is supported the work(of effectively utilizes）Ratio with sound work(total in loop
Can decrease, thus greatly affecting the thermal efficiency of thermoacoustic system.Solving one of method of this problem is in the loop successively
Arrange multiple regenerator units, sound wave is amplified step by step.However, when the quantity of these tandem regenerator units is more than 2
When, existing traditional thermoacoustic system is difficult to realize suitable acoustic impedance at regenerator unit, and this can lead to Sonic heat changing efficiency
Lowly.In the case, want to export sufficiently large sound work(, still need to be made up by improving heat source temperature, thus also
The purpose reducing heat source temperature cannot be properly arrived at by increasing the method for regenerator unit number.
The purpose of the present invention is exactly directed to the deficiency that existing thermo-acoustic technology exists, and arranges multiple regenerator lists in the loop
Unit, and make these regenerator units be in suitable acoustic impedance condition, improve Sonic heat changing efficiency, thus reducing to driving heat source
The requirement of temperature.Specifically it is simply that proposing a kind of air deflector that has of the heat-driven comprising multiple regenerator units
Loop traveling wave thermoacoustic heat pump, can realize thermoacoustic starting of oscillation stable operation under the less driving temperature difference.
Content of the invention
The present invention provides a kind of loop traveling wave thermoacoustic heat pump with air deflector of heat-driven, in the less driving temperature difference
Under realize thermoacoustic starting of oscillation stable operation, obtain pump thermal effect.
A kind of loop traveling wave thermoacoustic heat pump with air deflector of described heat-driven is by the heat of 1 or more than 1
The thermoacoustic heat pump unit head and the tail of phonomotor unit and 1 or more than 1 are connected into loop.
Engine first air deflector that described thermoacoustic engine unit includes being sequentially connected, engine cool end heat exchanger,
Engine regenerator, engine heater, engine second air deflector, thermal buffer tube, secondary cool end heat exchanger, engine resonance
Pipe；Heat pump first air deflector that described thermoacoustic heat pump unit includes being sequentially connected, heat pump temperature end heat exchanger, heat pump backheat
Device, heat pump cool end heat exchanger, heat pump second air deflector, heat pump resonatron.
Described engine cool end heat exchanger, engine regenerator, the cross-sectional area of engine heater are more than heat buffering
Pipe, secondary cool end heat exchanger, the cross-sectional area of engine resonance pipe；Described heat pump temperature end heat exchanger, heat pump regenerator, heat
The cross-sectional area of pump cool end heat exchanger is more than the cross-sectional area of heat pump resonatron.
Described engine first air deflector, engine second air deflector, heat pump first air deflector, heat pump second air deflector
For having the pyramidal structure of cellular flow passages, porosity is 0.4 ~ 0.9, and the form in hole is circular hole or square hole, the material of air deflector
It is copper, stainless steel or other hard high melting solids.
Described engine first air deflector, engine second air deflector, heat pump first air deflector, heat pump second air deflector
It is respectively provided on two sides with woven wire.
The radial dimension of described thermoacoustic engine unit and thermoacoustic heat pump unit is matched with the size of local sound work(, i.e. sound
The bigger pipeline section of work(, radial dimension is bigger.
In the present invention, the sound work(producing in thermoacoustic engine unit will directly drive the thermoacoustic heat pump list on same loop
Unit, obtains pump thermal effect.Compare existing thermoacoustic heat pump, the present invention can obtain pump heat using low-grade heat source direct drive
Effect, and movement-less part, structure is simple, is more beneficial for the operation steady in a long-term of system.
Tradition machinery compression heat pump is limited to by hot working fluid physical property, and applicable temperature range is than relatively limited；Absorption type heat
The range of application of pump is also subject to hot working fluid physical property and absorption system inherent shortcoming（The corrosivity of absorbent, the easily spy such as crystallization
Point）Restriction.The hot temperature of pump of the loop traveling wave thermoacoustic heat pump with air deflector of described heat-driven is not subject to these conditions
Limit, the therefore hot temperature of pump has the bigger free degree, both can carry out pump heat by the thermal source relatively low to temperature, with reach refrigeration or
Heat purposes it is also possible to the thermal source higher to temperature realizes pump heat, improve thermal source grade and then be used again.
Brief description
Fig. 1 is the loop traveling wave thermoacoustic heat pump structure schematic diagram with air deflector of heat-driven；
Fig. 2 is the structure decomposition figure with air deflector in the loop traveling wave thermoacoustic heat pump of air deflector that can drive；
In figure：Thermoacoustic engine unit 1, engine the first air deflector 101, engine cool end heat exchanger 102, engine return
Hot device 103, engine heater 104, engine the second air deflector 105, thermal buffer tube 106, secondary cool end heat exchanger 107 and send out
Motivation resonatron 108；Thermoacoustic heat pump unit 2, heat pump the first air deflector 201, heat pump temperature end heat exchanger 202, heat pump regenerator
203rd, heat pump cool end heat exchanger 204 and heat pump the second air deflector 205, heat pump resonatron 206.
Specific embodiment
With reference to specific embodiment, the present invention will be further described.
As shown in Figure 1, 2, a kind of loop traveling wave thermoacoustic heat pump with air deflector of heat-driven be by 1 or 1 with
On thermoacoustic engine unit 1 and thermoacoustic heat pump unit 2 head and the tail of 1 or more than 1 be connected into loop.
Described thermoacoustic engine unit 1 includes engine the first air deflector 101, the engine cold end heat exchange being sequentially connected
Device 102, engine regenerator 103, engine heater 104, engine the second air deflector 105, thermal buffer tube 106, secondary are cold
End heat exchanger 107, engine resonance pipe 108；Described thermoacoustic heat pump unit 2 includes heat pump first air deflector being sequentially connected
201st, heat pump temperature end heat exchanger 202, heat pump regenerator 203, heat pump cool end heat exchanger 204, heat pump the second air deflector 205, heat
Pump resonatron 206.
Described engine cool end heat exchanger 102, engine regenerator 103, engine heater 104 cross-sectional area big
In thermal buffer tube 106, secondary cool end heat exchanger 107, engine resonance pipe 108 cross-sectional area；Described heat pump temperature end is changed
Hot device 202, heat pump regenerator 203, the cross-sectional area of heat pump cool end heat exchanger 204 are more than the cross-sectional area of heat pump resonatron 206.
Described engine the first air deflector 101, engine the second air deflector 105, engine the first air deflector 201, send out
Motivation the second air deflector 205 is to have the pyramidal structure of cellular flow passages, and porosity is 0.4 ~ 0.9, the form in hole be circular hole or
Square hole, the material of air deflector is copper, stainless steel or other hard high melting solids.
Described engine the first air deflector 101, engine the second air deflector 105, heat pump the first air deflector 201, heat pump
Two air deflectors 205 be respectively provided on two sides with woven wire.
The radial dimension of described thermoacoustic engine unit 1 and thermoacoustic heat pump unit 2 is matched with the size of local sound work(, that is,
The bigger pipeline section of sound work(, radial dimension is bigger.
Embodiment：
The working medium that the present invention uses is the gas such as helium, argon gas, carbon dioxide or their gas mixture.
Thermoacoustic engine unit in loop and thermoacoustic heat pump unit can be arranged one or more in theory.The present embodiment
Including three thermoacoustic engine units 1 and a thermoacoustic heat pump unit 2, this four unit head and the tail are connected into loop.
Engine the first air deflector 101, engine the second air deflector 105, heat pump the first air deflector 201, heat pump second are led
There are 6 isodiametric circular holes one end of stream device 205.These circular holes are conical through-holes, and therefore the other end also has 6 isodiametric circles
Hole.Engine the first air deflector 101, engine the second air deflector 105, heat pump the first air deflector 201, heat pump second air deflector
205 two ends are respectively coated with one layer of stainless steel cloth.
When the loop traveling wave thermoacoustic heat pump with air deflector of this heat-driven works, in three thermoacoustic engine units 1
In, the Working medium gas in hot junction in engine heater 104 heating system, engine cool end heat exchanger 102 is then cold in cooling system
The Working medium gas at end, then will gradually build up thermograde along engine regenerator 103.When this thermograde exceedes certain threshold
During value, due to thermic sound transition effects, the Working medium gas in system will produce self-oscillation, thus realizing heat energy turning to sound work(
Change.Sound work(can gain step by step along clockwise direction in three thermoacoustic engine units, and through the 3rd thermoacoustic engine
Maximum is reached, subsequently into thermoacoustic heat pump unit 2 after unit.In thermoacoustic heat pump unit 2, due to thermoacoustic effect, heat will
From heat pump cool end heat exchanger 204 pump to heat pump temperature end heat exchanger 202, thus reaching pump thermal effect.
Regenerator for making thermoacoustic engine unit 1 and thermoacoustic heat pump unit 2 has the characteristic of acoustic impedance, described thermoacoustic
Core cell（Including engine cool end heat exchanger 102, engine regenerator 103, engine heater 104 and heat pump high temperature
End heat exchanger 202, heat pump regenerator 203, heat pump cool end heat exchanger 204）With adjacent resonatron or thermal buffer tube（Slow including heat
Washing pipe 106, secondary cool end heat exchanger 107, engine resonance pipe 108 and heat pump resonatron 206）Radial dimension ratio be 3 ~
8.
Engine the first air deflector 101, engine the second air deflector 105, heat pump the first air deflector 201, heat pump second are led
The transition that stream device 205 is used between cross-sectional area difference part connects amasss the caused stream of mutation it is intended to improve by cross section of fluid channel
Backflow at dynamic non-uniform phenomenon inhibitory mutagenesis section.Described air deflector is placed on inside conical pipe, is with cellular flow passages
Pyramidal structure, porosity is 0.4 ~ 0.9.The form in hole can be taper hole, circular hole, square hole or other geometries.Runner
There is chamfering gateway, passes in and out flow losses during air deflector to reduce fluid.The material of air deflector can be copper, stainless steel or
Other hard high melting solids.The larger side of air deflector sectional area is covered with layer of metal silk screen, and this woven wire avoids leads
The heat exchanger section runner blocking that stream device is caused with heat exchanger directly contact, can also make fluid spread before entering heat exchanger
Obtain evenly.The less side of air deflector sectional area is also covered with layer of metal silk screen, and this woven wire inhibits fluid from this side
Injection stream during outflow.Air deflector can play a positive role.First, air deflector can make fluid at thermoacoustic core cell
Flowing is evenly.Due to there is abrupt-change cross section, the flow resistance of thermoacoustic core cell inside edge is more than the flow resistance of center, and this can lead
Cause when fluid flows into thermoacoustic core cell from resonatron, center flow velocity is more than edge flow velocity.The uneven of this flow velocity can make
The edge of thermoacoustic core cell can not be used effectively.Air deflector can solve this problem.Secondly, air deflector can also press down
System backflow.When fluid flows to thermoacoustic core cell from resonatron, backflow can be produced at abrupt-change cross section, cause flow losses.
Air deflector has refined runner, increases the resistance of backflow, thus suppressing to flow back.
The radial dimension of one or more of thermoacoustic engine units is not consistent.Sound work(is in thermoacoustic engine unit
Gain step by step, the radial dimension of ratio between adjacent thermoacoustic engine unit is 1.2 ~ 1.5.One or more of thermoacoustic heat
The radial dimension of pump unit is not consistent.Sound work(is decayed in thermoacoustic engine unit step by step, the radial dimension of each heat pump unit
Also reduce step by step with decay in each thermoacoustic heat pump unit for the sound work(.The radial dimension of ratio of adjacent thermoacoustic heat pump unit
It is 0.6 ~ 0.8.In the present embodiment, the radial dimension of each part of three thermoacoustic engine units 1 along clockwise in 1.3 ratio by
Level increases successively.This is because for the thermo-acoustic engine with loop structure, the acoustic impedance characteristic at regenerator is to be
System has high performance key, and in the present invention, sound work(is gain step by step in three thermoacoustic engine units 1, above-mentioned
It is more reasonable that radial dimension of gain step by step makes acoustic impedance in system be distributed, and is conducive to mating of sound field and acoustic impedance, improves hot
Sound conversion efficiency simultaneously reduces the loss of sound work(.
Finally it should be noted that the above-mentioned description to embodiment is for ease of those skilled in the art's energy
Understand and apply the invention.Person skilled in the art obviously easily can make various modifications to above-described embodiment,
And General Principle described herein is applied in other embodiment without through performing creative labour.Therefore, the present invention is not
It is limited to above-described embodiment, those skilled in the art according to the announcement of the present invention, all answer by the improvement made for the present invention and modification
Should be within protection scope of the present invention.
Claims (3)
1. a kind of heat-driven the loop traveling wave thermoacoustic heat pump with air deflector it is characterised in that：By 1 or more than 1
Thermoacoustic engine unit（1）With the thermoacoustic heat pump unit of 1 or more than 1（2）Head and the tail are connected into loop；
Described thermoacoustic engine unit（1）Including engine first air deflector being sequentially connected（101）, engine cold end heat exchange
Device（102）, engine regenerator（103）, engine heater（104）, engine second air deflector（105）, thermal buffer tube
（106）, secondary cool end heat exchanger（107）, engine resonance pipe（108）；Described thermoacoustic heat pump unit（2）Including being sequentially connected
Heat pump first air deflector（201）, heat pump temperature end heat exchanger（202）, heat pump regenerator（203）, heat pump cool end heat exchanger
（204）, heat pump second air deflector（205）, heat pump resonatron（206）；Described engine cool end heat exchanger（102）, engine
Regenerator（103）, engine heater（104）Cross-sectional area be more than thermal buffer tube（106）, secondary cool end heat exchanger（107）、
Engine resonance pipe（108）Cross-sectional area；Described heat pump temperature end heat exchanger（202）, heat pump regenerator（203）, heat pump
Cool end heat exchanger（204）Cross-sectional area be more than heat pump resonatron（206）Cross-sectional area；Engine cool end heat exchanger（102）、
Engine regenerator（103）, engine heater（104）, heat pump temperature end heat exchanger（202）, heat pump regenerator（203）Or heat
Pump cool end heat exchanger（204）With adjacent resonatron, thermal buffer tube or secondary cool end heat exchanger（107）The ratio of radial dimension be
3~8；Described thermoacoustic engine unit（1）With thermoacoustic heat pump unit（2）Radial dimension match with the size of local sound work(, that is,
The bigger pipeline section of sound work(, radial dimension is bigger.
2. heat-driven as claimed in claim 1 the loop traveling wave thermoacoustic heat pump with air deflector it is characterised in that：Described
Engine first air deflector（101）, engine second air deflector（105）, heat pump first air deflector（201）, heat pump second leads
Stream device（205）For having the pyramidal structure of cellular flow passages, the form in hole is circular hole or square hole, and the internal diameter in hole is outer with air deflector
Footpath increase and gradually wealthy, the material of air deflector is copper, stainless steel or other hard high melting solids.
3. heat-driven as claimed in claim 1 the loop traveling wave thermoacoustic heat pump with air deflector it is characterised in that：Described
Engine first air deflector（101）, engine second air deflector（105）, heat pump first air deflector（201）, heat pump second water conservancy diversion
Device（205）Be respectively provided on two sides with woven wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410526732.4A CN104315748B (en) | 2014-10-09 | 2014-10-09 | Heat energy driven looped traveling-wave thermo-acoustic heat pump with flow guiders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410526732.4A CN104315748B (en) | 2014-10-09 | 2014-10-09 | Heat energy driven looped traveling-wave thermo-acoustic heat pump with flow guiders |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104315748A CN104315748A (en) | 2015-01-28 |
| CN104315748B true CN104315748B (en) | 2017-02-08 |
Family
ID=52371017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410526732.4A Active CN104315748B (en) | 2014-10-09 | 2014-10-09 | Heat energy driven looped traveling-wave thermo-acoustic heat pump with flow guiders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104315748B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863808B (en) * | 2015-04-03 | 2018-04-10 | 中国科学院理化技术研究所 | A kind of multistage traveling wave thermo-acoustic engine system of cascade utilization high-temperature flue gas waste heat |
| CN104847608A (en) * | 2015-04-09 | 2015-08-19 | 中国科学院理化技术研究所 | Multi-level traveling wave thermoacoustic engine system for flue gas waste heat |
| CN108291751B (en) * | 2015-09-17 | 2020-12-29 | 声能私人有限公司 | Thermoacoustic energy conversion system |
| CN105299951B (en) * | 2015-11-17 | 2017-10-03 | 中国科学院理化技术研究所 | A kind of multistage acoustic power recovery type heat activated traveling wave thermoacoustic refrigeration system of loop |
| CN105865080B (en) * | 2016-05-24 | 2019-04-02 | 浙江大学 | The low grade heat energy converter of Thermoacoustic engine |
| CN106549604B (en) * | 2016-11-01 | 2018-10-30 | 陈曦 | Exhaust system based on thermoacoustic effect and electret acoustic-electrical transducer and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236025A (en) * | 2008-03-04 | 2008-08-06 | 武汉工程大学 | Double-drive stirling travelling wave refrigerating device |
| CN101275542A (en) * | 2008-04-09 | 2008-10-01 | 浙江大学 | Heat phonomotor capable of utilizing multi-temperature position heat power supply drive |
| JP2011153742A (en) * | 2010-01-26 | 2011-08-11 | Isuzu Motors Ltd | Thermoacoustic engine |
| JP2011208911A (en) * | 2010-03-30 | 2011-10-20 | Isuzu Motors Ltd | Thermoacoustic engine |
| US8584471B2 (en) * | 2010-04-30 | 2013-11-19 | Palo Alto Research | Thermoacoustic apparatus with series-connected stages |
| CN103808063A (en) * | 2014-02-14 | 2014-05-21 | 中国科学院理化技术研究所 | Acoustic resonance type thermally-driven travelling wave thermo-acoustic refrigerating system |
| CN104075479A (en) * | 2013-03-26 | 2014-10-01 | 住友重机械工业株式会社 | U-shaped pulse-tube refrigerator |
| CN204214163U (en) * | 2014-10-09 | 2015-03-18 | 浙江大学 | A kind of hot sound heat pump of the capable ripple of the loop with air deflector of heat-driven |
-
2014
- 2014-10-09 CN CN201410526732.4A patent/CN104315748B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236025A (en) * | 2008-03-04 | 2008-08-06 | 武汉工程大学 | Double-drive stirling travelling wave refrigerating device |
| CN101275542A (en) * | 2008-04-09 | 2008-10-01 | 浙江大学 | Heat phonomotor capable of utilizing multi-temperature position heat power supply drive |
| JP2011153742A (en) * | 2010-01-26 | 2011-08-11 | Isuzu Motors Ltd | Thermoacoustic engine |
| JP2011208911A (en) * | 2010-03-30 | 2011-10-20 | Isuzu Motors Ltd | Thermoacoustic engine |
| US8584471B2 (en) * | 2010-04-30 | 2013-11-19 | Palo Alto Research | Thermoacoustic apparatus with series-connected stages |
| CN104075479A (en) * | 2013-03-26 | 2014-10-01 | 住友重机械工业株式会社 | U-shaped pulse-tube refrigerator |
| CN103808063A (en) * | 2014-02-14 | 2014-05-21 | 中国科学院理化技术研究所 | Acoustic resonance type thermally-driven travelling wave thermo-acoustic refrigerating system |
| CN204214163U (en) * | 2014-10-09 | 2015-03-18 | 浙江大学 | A kind of hot sound heat pump of the capable ripple of the loop with air deflector of heat-driven |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104315748A (en) | 2015-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104315748B (en) | Heat energy driven looped traveling-wave thermo-acoustic heat pump with flow guiders | |
| CN104775932A (en) | Acoustic power multi-stage amplification traveling-wave thermoacoustic engine system | |
| CN101275542B (en) | Heat phonomotor capable of utilizing multi-temperature position heat power supply drive | |
| CN103670788B (en) | Acoustic resonance type multi-level traveling wave thermo-acoustic engine system through use of cold sources and heat sources at same time | |
| CN100561765C (en) | A kind of manufacture method of electrothermal module | |
| CN204214163U (en) | A kind of hot sound heat pump of the capable ripple of the loop with air deflector of heat-driven | |
| CN202973518U (en) | Air heater | |
| CN104863808B (en) | A kind of multistage traveling wave thermo-acoustic engine system of cascade utilization high-temperature flue gas waste heat | |
| CN104482784A (en) | Efficient liquid temperature rise gasification device and method | |
| CN209672619U (en) | A kind of novel terrestrial well inner tube heat exchange structure | |
| CN204718461U (en) | A kind of capillary super-conduction heating metal tube | |
| CN204313676U (en) | A kind of efficient liquid intensification gasification installation | |
| CN207743904U (en) | A kind of tail gas waste heat utilizing device based on thermo-electric generation and pulsating heat pipe technology | |
| CN103245059A (en) | Disc combined type heat exchanger | |
| CN105299951A (en) | Loop multilevel acoustic power recovery type thermal drive traveling wave thermo-acoustic refrigerating system | |
| CN104847608A (en) | Multi-level traveling wave thermoacoustic engine system for flue gas waste heat | |
| CN205825771U (en) | Become spacing of fin formula plate-fin heat exchanger | |
| CN201740285U (en) | Solar evacuated collector tube capable of efficiently heating air | |
| CN102095277B (en) | Thermoacoustic refrigerator driven by thermoacoustic motor based on moving standing wave orthogonality overlying sound field | |
| CN207691577U (en) | A kind of novel casing structure | |
| Sato et al. | Heat transfer characteristics of a gas flow in uni-directional porous copper pipes | |
| CN219436885U (en) | System for converting heat energy into refrigerating energy during tunnel machine working | |
| CN205977350U (en) | Exhaust muffler suitable for tail gas is thermoelectric to be retrieved | |
| CN112994354B (en) | Large-scale bulb tubular hydraulic generator ventilation cooling system without air cooler | |
| CN102141017A (en) | Thermo-acoustic engine based on moving standing wave orthogonal-superposition sound field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |