CN103776288B - A kind of pulsating heat pipe - Google Patents
A kind of pulsating heat pipe Download PDFInfo
- Publication number
- CN103776288B CN103776288B CN201410017681.2A CN201410017681A CN103776288B CN 103776288 B CN103776288 B CN 103776288B CN 201410017681 A CN201410017681 A CN 201410017681A CN 103776288 B CN103776288 B CN 103776288B
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- pipe
- heat
- condenser
- evaporimeter
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000002086 nanomaterial Substances 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 10
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- AYKOTYRPPUMHMT-UHFFFAOYSA-N silver;hydrate Chemical compound O.[Ag] AYKOTYRPPUMHMT-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to a kind of pulsating heat pipe, comprise heat pipe, condenser and evaporimeter, described heat pipe is the snakelike pipeline that multistage U-shaped hollow pipe connects into, heat-pipe medium is provided with in described heat pipe, described heat-pipe medium and gas form interval in described heat pipe, the vent plug that length does not wait and liquid plug, in the end positions that described condenser and evaporimeter are positioned at described heat pipe or on centre position, when described condenser is two and lays respectively in the end positions of described heat pipe, described evaporimeter is positioned on the centre position of described heat pipe, when described evaporimeter is two and lays respectively in the end positions of described heat pipe, described condenser is positioned on the centre position of described heat pipe.The present invention can realize a place and heat the function that place cooling is heated at the cooling of two places or two places, is filled into inside heat pipe and improves heat transfer efficiency, thus reach the effect of synchronous cooling or isothermal by the heat-pipe medium of special substance, and heat conduction rapidly and structure is simple.
Description
Technical field
The present invention relates to the hot pipe technique field of mass-and heat-transfer, be specifically related to the pulsating heat pipe of a kind of double evaporators or double-condenser.
Background technology
Pulsating heat pipe (PulsatingHeatpipe) is called oscillating heat pipe (eillatingHeatPipe), the nineties in 20th century is proposed by Japanese scholars H.Akachi, it is the simple but two phase flow Thermal Conduction Equipment of complicated mechanism of a kind of structure, usually formed by capillary bending and winding, pipeline vacuumizes and charges the working media of partial volume, due to surface tension effects, the state of the steam binding random distribution alternate with liquid plug in capillary, can be formed.When one end (evaporator section) of pulsating heat pipe is heated, the other end (condensation segment) cools, and heat will be transmitted by the biphase oscillation flowing of working media in pipe, and its heat-transfer effect is tens times of conventional heat pipe.
At present, on market, pulsating heat pipe is generally one end and makees evaporimeter, condenser is made in one end in addition, its construction restricts the range of application of heat radiation, in some particular surroundings, each high-power product needed reaches the cooling requirements of synchronous cooling and isothermal, and pulsating heat pipe can't make each different capacity product reach the effect of synchronous cooling and isothermal at present, and such device manufacturing process is not only complicated loaded down with trivial details, be also difficult to the function simultaneously meeting many places heat radiation or many places condensation.Simultaneously, the capacity of heat transmission due to pulsating heat pipe places one's entire reliance upon the capacity of heat transmission of inside heat pipe heat-pipe medium, and heat-pipe medium common at present has water, ethanol, acetone etc., radiating effect is not rapid, thus govern heat pipe heat exchanging efficiency, therefore how not only rapidly but also can synchronously carry out dispelling the heat or the heat pipe of condensation is current pulsating heat pipe technical field problem demanding prompt solution in point many places.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, a kind of blending agent is proposed and the pulsating heat pipe of double evaporators or double-condenser, can realize a place heat two places cooling or two places heat one place cooling function, be filled into inside heat pipe can improve heat transfer efficiency by the heat-pipe medium of special substance, thus reaching the effect of synchronous cooling or isothermal, heat conduction is rapid and structure is simple.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of pulsating heat pipe, comprise heat pipe, condenser and evaporimeter, described heat pipe is the snakelike pipeline that multistage U-shaped hollow pipe connects into, the heat-pipe medium encapsulated under being provided with 1KPa ~ 50KPa pressure in described heat pipe, the liquid filled ratio of described heat-pipe medium is 45% ~ 70%, and described heat-pipe medium and gas form interval, length vent plug not etc. and liquid plug in described heat pipe;
In the end positions that described condenser and evaporimeter are positioned at described heat pipe or on centre position, when described condenser is two and lays respectively in the end positions of described heat pipe, described evaporimeter is positioned on the centre position of described heat pipe, when described evaporimeter is two and lays respectively in the end positions of described heat pipe, described condenser is positioned on the centre position of described heat pipe, is adiabatic section between described condenser and evaporimeter.
The invention has the beneficial effects as follows: propose a kind of blending agent and the pulsating heat pipe of double evaporators or double-condenser, can realize a place heat two places cooling or two places heat one place cooling function, thus the effect of synchronous cooling or isothermal can be reached, heat conduction is rapid and structure is simple.
On the basis of technique scheme, the present invention can also do following improvement.
Further technical scheme is, described heat-pipe medium is by the CuO nano material of the carbon nanomaterial of 0.5wt% ~ 3wt%, 0.5wt% ~ 2wt%, the ZnO nano material of 1wt% ~ 1.6wt%, the Al of 0.02wt% ~ 1.2wt%
2o
3the water of nano material and 92.2wt% ~ 97.98wt% fully mixes the medium of composition.
The beneficial effect of above-mentioned further scheme is adopted to be can improve exchange capability of heat 19% ~ 38% by the heat-pipe medium of nanometer composite material.
Further technical scheme is, the nanoscale of described carbon nanomaterial is 10nm ~ 20nm, and the nanoscale of described CuO nano material is 20nm ~ 50nm, and the nanoscale of described ZnO nano material is 1nm ~ 50nm, described Al
2o
3the nanoscale of nano material is 30nm ~ 50nm.
Adopt the beneficial effect of above-mentioned further scheme to be can be mixed with water more fully by the nano material of relevant nanometer yardstick, thus improve exchange capability of heat.
Further technical scheme is, described condenser is the one in fan or fin, or described condenser is the combination of fan and fin, when condenser is the combination of fan and fin, described fin connects described heat pipe, and described fan connects described fin.
Adopt the beneficial effect of above-mentioned further scheme to be composite construction by fan or fin or fan and radiating fin combination, effectively can play effect of condensation heat radiation.
Further technical scheme is, described evaporimeter is heat generating components.
Further technical scheme is, described heat pipe is closed circuit type copper pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention possesses a kind of pulsating heat pipe of double evaporators;
Fig. 2 is the structural representation that the present invention possesses a kind of pulsating heat pipe of double-condenser.
In accompanying drawing, the list of parts representated by each label is as follows:
1, evaporimeter, 2, condenser, 3, heat pipe, 4, liquid plug, 5, vent plug.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A kind of pulsating heat pipe, comprise heat pipe 3, condenser 2 and evaporimeter 1, described heat pipe 3 is the snakelike pipeline that multistage U-shaped hollow pipe connects into, the heat-pipe medium encapsulated under being provided with 1KPa ~ 50KPa pressure in described heat pipe 3, the liquid filled ratio (percentage composition of heat-pipe medium in heat pipe) of described heat-pipe medium is 45% ~ 70%, described heat-pipe medium and gas form interval in described heat pipe, the vent plug 5 that length does not wait and liquid plug 4, described gas is air, described heat-pipe medium is for comprising pure water, vegetable oil, the liquid of the raw material such as absolute ethyl alcohol and glycerine composition is (as adopted the raw material disclosed in following patented technology: heat pipe phase changing liquid, the patent No. is ZL03107804.4) or silver-water nano-fluid (as adopted the working medium disclosed in following patented technology: the parallel pulsating heat pipe being working medium with silver-water nano-fluid, the patent No. is ZL201110137496.3),
In the end positions that described condenser 2 and evaporimeter 1 are positioned at described heat pipe 3 or on centre position, when described condenser 2 is two and lays respectively in the end positions of described heat pipe 3, described evaporimeter 1 is positioned on the centre position of described heat pipe 3, when described evaporimeter 1 is two and lays respectively in the end positions of described heat pipe 3, described condenser 2 is positioned on the centre position of described heat pipe 3, is adiabatic section (preventing the fragment position that heat is loose outward) between described condenser 2 and evaporimeter 1.
The heat-pipe medium adopted in the present invention can be by percentage by weight be the carbon nanomaterial of 0.5wt% ~ 3wt%, the percentage by weight CuO nano material that is 0.5wt% ~ 2wt%, the percentage by weight ZnO nano material that is 1wt% ~ 1.6wt%, percentage by weight be the Al of 0.02wt% ~ 1.2wt%
2o
3nano material and percentage by weight are the medium that the water of 92.2wt% ~ 97.98wt% fully mixes composition, and described carbon nanomaterial, CuO nano material, ZnO nano material, Al
2o
3nano material is graininess.
The nanoscale of described carbon nanomaterial particle is 10nm ~ 20nm, and the nanoscale of described CuO nano-grain is 20nm ~ 50nm, and the nanoscale of described ZnO nano material particle is 1nm ~ 50nm, described Al
2o
3the nanoscale of nano-grain is 30nm ~ 50nm, thus can be mixed with water more fully by the nano material of relevant nanometer yardstick, improves exchange capability of heat.
Heat-pipe medium performance indications are in table 1.
Table 1: heat-pipe medium performance indications in a kind of pulsating heat pipe
Described condenser 2 is the one in fan or fin, or described condenser is the combination of fan and fin, when condenser is the combination of fan and fin, described fin connects described heat pipe, described fan connects described fin, thus pass through the composite construction of fan or fin or fan and radiating fin combination, effectively can play effect of condensation heat radiation.Described evaporimeter 1 is heat generating components.
Described heat pipe 3 is closed circuit type copper pipe (end to end and the copper pipe be interconnected).
Embodiment 1: as shown in Figure 1, when described evaporimeter 1 is two and lays respectively in the end positions of described heat pipe 3, described condenser 2 is positioned on the centre position of described heat pipe 3, thus when two evaporimeters 1 are heated, heat pipe 3 heat-pipe medium in one end of evaporimeter 1 is heated to produce and is shaken and the one end moved near condenser 2, and this be heated after heat-pipe medium derive heat by condenser, thus two places at evaporimeter two ends can be made synchronously to lower the temperature and the effect of isothermal can be reached simultaneously, there is many places heat and concentrate cooling, the advantages such as compact conformation.
Embodiment 2: as shown in Figure 2, when described condenser 2 is two and lays respectively in the end positions of described heat pipe 3, described evaporimeter 1 is positioned on the centre position of described heat pipe 3, thus when evaporimeter 1 is heated, in the heat pipe 3 of evaporimeter 1 end, heat-pipe medium is heated and is produced concussion and the one end moved to respectively near two condensers 2, make this heat-pipe medium derive heat by condenser, realize the function that the cooling of two places is heated at a place, improve cooling efficiency.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a pulsating heat pipe, it is characterized in that, comprise heat pipe, condenser and evaporimeter, described heat pipe is the snakelike pipeline that multistage U-shaped hollow pipe connects into, the heat-pipe medium encapsulated under being provided with 1KPa ~ 50KPa pressure in described heat pipe, the liquid filled ratio of described heat-pipe medium is 45% ~ 70%, and described heat-pipe medium and gas form interval, length vent plug not etc. and liquid plug in described heat pipe;
In the end positions that described condenser and evaporimeter are positioned at described heat pipe or on centre position, when described condenser is two and lays respectively in the end positions of described heat pipe, described evaporimeter is positioned on the centre position of described heat pipe, when described evaporimeter is two and lays respectively in the end positions of described heat pipe, described condenser is positioned on the centre position of described heat pipe, is adiabatic section between described condenser and evaporimeter;
Described heat-pipe medium is by the CuO nano material of the carbon nanomaterial of 0.5wt% ~ 3wt%, 0.5wt% ~ 2wt%, the ZnO nano material of 1wt% ~ 1.6wt%, the Al of 0.02wt% ~ 1.2wt%
2o
3the water of nano material and 92.2wt% ~ 97.98wt% fully mixes the medium of composition.
2. a kind of pulsating heat pipe according to claim 1, it is characterized in that, the nanoscale of described carbon nanomaterial is 10nm ~ 20nm, and the nanoscale of described CuO nano material is 20nm ~ 50nm, the nanoscale of described ZnO nano material is 1nm ~ 50nm, described Al
2o
3the nanoscale of nano material is 30nm ~ 50nm.
3. a kind of pulsating heat pipe according to claim 1, is characterized in that, described condenser is the one in fan or fin, or described condenser is the combination of fan and fin.
4. a kind of pulsating heat pipe according to claim 1, it is characterized in that, described evaporimeter is heat generating components.
5., according to the arbitrary described a kind of pulsating heat pipe of Claims 1-4, it is characterized in that, described heat pipe is closed circuit type copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017681.2A CN103776288B (en) | 2014-01-15 | 2014-01-15 | A kind of pulsating heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017681.2A CN103776288B (en) | 2014-01-15 | 2014-01-15 | A kind of pulsating heat pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103776288A CN103776288A (en) | 2014-05-07 |
| CN103776288B true CN103776288B (en) | 2016-01-13 |
Family
ID=50568823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410017681.2A Active CN103776288B (en) | 2014-01-15 | 2014-01-15 | A kind of pulsating heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103776288B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI580921B (en) * | 2014-05-09 | 2017-05-01 | 財團法人工業技術研究院 | Pulsating multi-pipe heat pipe |
| CN104429410A (en) * | 2014-12-11 | 2015-03-25 | 中国航天空气动力技术研究院 | Grain depot cooling system based on pulsating heat pipe technology |
| CN110133038B (en) * | 2019-05-14 | 2020-04-17 | 重庆大学 | Oscillatory heat pipe, static test platform and heat exchange performance evaluation method |
| CN110160812B (en) * | 2019-05-14 | 2021-01-19 | 重庆大学 | Oscillating heat pipe, rotary test platform and heat exchange performance evaluation method |
| CN110779363B (en) * | 2019-11-19 | 2021-07-13 | 大连理工大学 | Pulsating heat pipe with liquid metal micro-nano liquid drops as working media |
| CN113686183A (en) * | 2021-08-19 | 2021-11-23 | 兰州理工大学 | Miniature plate-type pulsating heat pipe radiator for enhancing condensation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240985A (en) * | 2008-03-04 | 2008-08-13 | 淄博兰雁集团有限责任公司 | Hot pipe installed with nano material fluid working substance for textile |
| CN201438058U (en) * | 2009-06-30 | 2010-04-14 | 锘威科技(深圳)有限公司 | Pulsating heat pipe cooling module |
| CN201637149U (en) * | 2010-04-28 | 2010-11-17 | 长春工程学院 | Spiral pulsating heat pipe solar water heater |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004125382A (en) * | 2002-08-07 | 2004-04-22 | Denso Corp | Counter oscillation flow type heat transport device |
| JP2005229047A (en) * | 2004-02-16 | 2005-08-25 | Hitachi Ltd | Cooling system for electronic equipment, and the electronic equipment using same |
| CN100572908C (en) * | 2006-11-17 | 2009-12-23 | 富准精密工业(深圳)有限公司 | Led lamp |
| KR20120077355A (en) * | 2010-12-30 | 2012-07-10 | 주식회사 케이에스비 | Plate type heat pipe with multi channel |
-
2014
- 2014-01-15 CN CN201410017681.2A patent/CN103776288B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101240985A (en) * | 2008-03-04 | 2008-08-13 | 淄博兰雁集团有限责任公司 | Hot pipe installed with nano material fluid working substance for textile |
| CN201438058U (en) * | 2009-06-30 | 2010-04-14 | 锘威科技(深圳)有限公司 | Pulsating heat pipe cooling module |
| CN201637149U (en) * | 2010-04-28 | 2010-11-17 | 长春工程学院 | Spiral pulsating heat pipe solar water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103776288A (en) | 2014-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103776288B (en) | A kind of pulsating heat pipe | |
| Bahiraei et al. | Recent research contributions concerning use of nanofluids in heat exchangers: a critical review | |
| CN103994682B (en) | A kind of heat pipe and preparation method thereof | |
| CN102506600B (en) | Condensation end extension type integrated flat heat pipe | |
| CN100561108C (en) | Heat pipe | |
| CN107110625A (en) | The manufacture method of heat-exchange device and heat-exchange device | |
| CN103997877B (en) | High-thermal-flux-density temperature-equalization heat-dissipation device | |
| CN101493296A (en) | Novel flat-plate heat pipe with stratose microflute subfebrile temperature tube group | |
| CN103165547B (en) | Microgroove group composite phase change radiator | |
| CN105650927B (en) | Device | |
| CN105099277B (en) | Day-night temperature difference power generation device based on solar energy | |
| CN206442652U (en) | A kind of flexible microflute group heat abstractor | |
| CN102997729A (en) | Heat pipe radiator of phase change drive loop | |
| CN107660102A (en) | Conduit nano flower composite wick structure and preparation method thereof | |
| CN108366508A (en) | A kind of flexibility microflute group's radiator | |
| CN201715903U (en) | Flat pulsating heat pipe heat transfer device | |
| CN206440163U (en) | A kind of compact heat exchange of heat pipe | |
| CN207881539U (en) | A kind of flat heat pipe radiator | |
| CN209197542U (en) | Micro heat pipe structure applied to cabinet | |
| CN203642760U (en) | Heat pipe device | |
| CN204612225U (en) | Sintered heat pipe and there is its semiconductor freezer | |
| CN103712499B (en) | Spiral board type heat pipe radiator | |
| CN203758332U (en) | Antigravity heat pipe | |
| CN203881188U (en) | Radiating device for large-cooling-capacity stirling cryocooler | |
| CN201048072Y (en) | Novel heat radiator for transformer |
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 | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140507 Assignee: Guilin Qunmei Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2023980044664 Denomination of invention: A pulsating heat pipe Granted publication date: 20160113 License type: Common License Record date: 20231031 |