CN206806322U - A kind of monophase field misting cooling actively expedites the emergence of the device of bubble augmentation of heat transfer - Google Patents
A kind of monophase field misting cooling actively expedites the emergence of the device of bubble augmentation of heat transfer Download PDFInfo
- Publication number
- CN206806322U CN206806322U CN201720664171.3U CN201720664171U CN206806322U CN 206806322 U CN206806322 U CN 206806322U CN 201720664171 U CN201720664171 U CN 201720664171U CN 206806322 U CN206806322 U CN 206806322U
- Authority
- CN
- China
- Prior art keywords
- heat
- bubble
- heat transfer
- augmentation
- emergence
- 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.)
- Expired - Fee Related
Links
Abstract
A kind of monophase field misting cooling actively expedites the emergence of the device of bubble augmentation of heat transfer, belongs to high heat flux augmentation of heat transfer field, mainly solves the problems, such as monophase field misting cooling augmentation of heat transfer.The device is made up of magnetic valve one, nozzle, porous highly heat-conductive material, air inlet loop, gas passage, heat sink surface, magnetic valve two, controller and its associated pipe accessory.The device uses for reference two-phase section misting cooling into the mechanism of nuclei air bubble augmentation of heat transfer, gas passage and porous highly heat-conductive material are being set during monophase field misting cooling in heat sink surface, Pulse Width Control with reference to controller to magnetic valve two, realize that heat sink surface pulsed high frequency is supplied gas, bubble is actively expedited the emergence of in liquid film, bubble formation region of no pressure is quickly broken up using spray droplet, causes liquid film high speed turbulence, enhanced heat exchange.Compared with the monophase field Spray Way of routine, the method for the utility model patent offer, which has, expedites the emergence of the advantages of bubble is uniform, heat transfer coefficient is high.
Description
Technical field
High heat flux augmentation of heat transfer field is the utility model is related to, more particularly to a kind of monophase field misting cooling actively
Expedite the emergence of the device of bubble augmentation of heat transfer.
Background technology
Misting cooling is as a kind of efficient high heat flux radiating mode, in high power laser light weapon, high integration electricity
There is broad prospect of application under the big heat flow density radiating condition such as sub- component.It was found that two-phase section misting cooling process includes
Four kinds of heat transfer mechanisms（As shown in Figure 4）：Surface heat exchanging, surface and environment heat exchange, liquid film are washed away in the heat exchange of drop striking face, liquid film
Interior boiling heat transfer（Wherein boiling bubble is divided into wall into nuclei air bubble and secondary nucleation bubble）.Two-phase section misting cooling is better than single
One of main cause of phase region is into nuclei air bubble.Mechanism into nuclei air bubble augmentation of heat transfer is：Misting cooling nucleation number of bubbles is big, and
The region of no pressure that spray droplet smashes nucleation bubble formation lures liquid film high speed turbulence into, strengthens changing between heat sink surface and liquid film
Heat.
Generally, it is considered that when the temperature of electronic component reaches more than 80 DEG C, its ability to work will fall rapidly upon until losing
Effect, this refrigeration working medium resulted in using water under normal pressure operating mode as representative can not realize that misting cooling exchanges heat in two-phase section.This reality
Intended with new patent based on the enhanced heat transfer mechanism into nuclei air bubble, using the side of pulse air note during monophase field misting cooling
Formula, bubble is actively expedited the emergence of in liquid film, strengthen monophase field misting cooling performance.
Utility model content
In order to solve above-mentioned problem, it is strong that a kind of monophase field misting cooling of the utility model offer actively expedites the emergence of bubble
Change the device of heat transfer, based on the enhanced heat transfer mechanism into nuclei air bubble, using pulse air note during monophase field misting cooling
Mode, bubble is actively expedited the emergence of in liquid film, strengthen monophase field misting cooling performance, it is low to solve monophase field misting cooling heat transfer coefficient
In the two-phase section misting cooling the problem of, to provide a kind of monophase field misting cooling up to this purpose, the utility model and actively expediting the emergence of gas
Steep augmentation of heat transfer device, including magnetic valve one, nozzle, porous highly heat-conductive material, air inlet loop, gas passage, heat sink surface,
Magnetic valve two and controller, gas passage and porous highly heat-conductive material, the controller is set to pass through letter in the heat sink surface
Number control magnetic valve one and magnetic valve two, the porous highly heat-conductive material are embedded in heat sink surface by way of vacuum diffusion welding
Interior, its thermal conductivity factor is suitable with the thermal conductivity factor of heat sink surface, and the porous highly heat-conductive material leads to the gas in heat sink surface
Road connects, and is installed with nozzle, the affixed air inlet loop of the week side of boss of the heat sink surface above the heat sink surface, inlet leads to
Cross magnetic valve one and connect nozzle, air inlet taps into compression ring road by magnetic valve two.
Further improvement of the utility model, the nozzle has 1-5, according to the area of dissipation of thermal source, the quantity of nozzle
It can be one or more, be laid out using dot matrix during multiple nozzles, ensure that spray area covers to the overall situation of heat-delivery surface.
Further improvement of the utility model, the air inlet loop and air inlet are tangent, and air inlet and air inlet loop are tangent,
Ensure that assignment of traffic is uniform when the gas in air inlet loop enters each gas passage.
Further improvement of the utility model, the gas passage have 1-10 pairs, ensure air resistance meet require and
Under the premise of assignment of traffic is uniform, channel diameter does not answer excessive and quantity excessive, prevents the heat of thermal source in transmittance process
In cause excessive thermal resistance, influence quick heat radiating.
Further improvement of the utility model, the controller are controlled the keying of magnetic valve one by switching signal, passed through
Pulse signal controls the keying of magnetic valve two, and controller determines whether magnetic valve two is opened by gathering the signal of magnetic valve one；
When magnetic valve two is opened, controller provides pulse signal, and control magnetic valve two is interrupted high frequency and supplied gas, gas when preventing from persistently supplying gas
Can not bubbling in liquid film.
The utility model provides the application method that a kind of monophase field misting cooling actively expedites the emergence of the device of bubble augmentation of heat transfer,
In the course of work when thermal source produces the heat of high heat flux due to need of work, heat is led by heat sink surface, porous height
Hot material heat conduction, now controller control magnetic valve one open spray cooling device, and misty liquid droplets reach porous highly heat-conductive material
Liquid film is formed, while controller controls the interruption high frequency of magnetic valve two to supply gas by pulse signal, gas flows through air inlet loop, gas
Passage, porous highly heat-conductive material enter liquid film and form bubble, and bubble is quickly broken up by the effect of spray droplet, Primordial Qi bleb district
Form region of no pressure and lure the strong turbulence of liquid film into, strengthen the convective surface heat transfer coefficient between liquid film and hot surface, enhanced heat exchange.
A kind of monophase field misting cooling of the utility model actively expedites the emergence of the device of bubble augmentation of heat transfer, and the device uses for reference two-phase
Area's misting cooling is setting gas passage during monophase field misting cooling into the mechanism of nuclei air bubble augmentation of heat transfer in heat sink surface
With porous highly heat-conductive material, the Pulse Width Control with reference to controller to magnetic valve two, realize that heat sink surface pulsed high frequency is supplied gas,
Bubble is actively expedited the emergence of in liquid film, bubble formation region of no pressure is quickly broken up using spray droplet, causes liquid film high speed turbulence, reinforcing is changed
Heat.Compared with the monophase field Spray Way of routine, bubble is uniform, passes with expediting the emergence of for the method that the utility model patent provides
The advantages of hot coefficient is high.
Brief description of the drawings
Fig. 1 is that the utility model monophase field misting cooling actively expedites the emergence of bubble strengthening and heat transferring device system diagram.
Fig. 2 is the utility model composite heat sink surface texture figure.
Fig. 3 is the utility model composite heat sink surface texture profile.
Fig. 4 is two-phase section misting cooling heat transfer mechanism schematic diagram.
Label title in figure：1. magnetic valve one；2. nozzle；3. porous highly heat-conductive material；4. air inlet loop；5. gas leads to
Road；6. heat sink surface；7. magnetic valve two；8. controller.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
The utility model provides the device that a kind of monophase field misting cooling actively expedites the emergence of bubble augmentation of heat transfer, based on nucleation gas
The enhanced heat transfer mechanism of bubble, during monophase field misting cooling by the way of pulse air note, gas is actively expedited the emergence of in liquid film
Bubble, strengthen monophase field misting cooling performance, solve the problems, such as that monophase field misting cooling heat transfer coefficient is less than two-phase section misting cooling,
With expediting the emergence of the advantages of bubble is uniform, heat transfer coefficient is high.
As shown in figure 1, the monophase field misting cooling described in the utility model actively expedites the emergence of bubble strengthening and heat transferring device, by
Magnetic valve 1, nozzle 2, porous highly heat-conductive material 3, air inlet loop 4, gas passage 5, heat sink surface 6, magnetic valve 27, control
Device 8 and its associated pipe accessory are formed, and now by taking solid circular cone single injector monophase field misting cooling as an example, illustrate the utility model dress
The specific implementation process put.
According to the needs of cooling heat source area, by composite heat sink Surface Machining into structure type as Figure 2-3.Its
In：Porous highly heat-conductive material 3 is embedded in by way of vacuum diffusion welding in heat sink surface 6, its thermal conductivity factor and heat sink surface 6
Thermal conductivity factor is suitable, ensures that the heat for the high heat flux that thermal source distributes effectively is transmitted；Simultaneously porous highly heat-conductive material 3 with
Gas passage 5 in heat sink surface 6 is connected, and gas is overflowed from the porous top of highly heat-conductive material 3, and bubble is formed in liquid film；
The interface of gas passage 5 and porous highly heat-conductive material 3 radially, ensures air-flow on the porous surface of highly heat-conductive material 3 on surface
Uniformly send out；Heat sink surface bottom is bonded using heat-conducting glue and thermal source.
Air inlet loop 4 is fixed in the week side of boss of heat sink surface 6 by the way of full weld；Air inlet and air inlet loop 4 are tangent, protect
Assignment of traffic is uniform when gas in card air inlet loop 4 enters each gas passage 5.
When thermal source produces the heat of high heat flux due to need of work, heat passes through heat sink surface 6, porous high heat conduction
The heat conduction of material 3, the now control of controller 8 magnetic valve 1 open spray cooling device, and misty liquid droplets reach porous highly heat-conductive material
3 formed liquid films, while controller 8 by pulse signal control magnetic valve 27 be interrupted high frequency supply gas, gas flow through air inlet loop 4,
Gas passage 5, porous highly heat-conductive material 3 enter liquid film and form bubble, and bubble is quickly broken up by the effect of spray droplet, former
Bubble Region forms region of no pressure and lures the strong turbulence of liquid film into, strengthens the convective surface heat transfer coefficient between liquid film and hot surface, strengthens
Heat exchange.
It is described above, only it is preferred embodiment of the present utility model, is not that any other is made to the utility model
The limitation of form, and any modification made according to the technical essence of the utility model or equivalent variations, it is new to still fall within this practicality
Type scope claimed.
Claims (5)
1. a kind of monophase field misting cooling actively expedites the emergence of the device of bubble augmentation of heat transfer, including magnetic valve one（1）, nozzle（2）, it is more
Hole highly heat-conductive material（3）, air inlet loop（4）, gas passage（5）, heat sink surface（6）, magnetic valve two（7）And controller（8）, its
It is characterised by：The heat sink surface（6）Upper setting gas passage（5）With porous highly heat-conductive material（3）, the controller（8）It is logical
Cross signal control magnetic valve one（1）With magnetic valve two（7）, the porous highly heat-conductive material（3）By way of vacuum diffusion welding
Embedded heat sink surface（6）It is interior, its thermal conductivity factor and heat sink surface（6）Thermal conductivity factor it is suitable, the porous highly heat-conductive material（3）
With heat sink surface（6）Interior gas passage（5）Connection, the heat sink surface（6）Top is installed with nozzle（2）, the heat
Heavy surface（6）The affixed air inlet loop of the week side of boss（4）, inlet passes through magnetic valve one（1）Connect nozzle（2）, air inlet passes through electromagnetism
Valve two（7）Tap into compression ring road（4）.
2. a kind of monophase field misting cooling according to claim 1 actively expedites the emergence of the device of bubble augmentation of heat transfer, its feature
It is：The nozzle（2）There are 1-5.
3. a kind of monophase field misting cooling according to claim 1 actively expedites the emergence of the device of bubble augmentation of heat transfer, its feature
It is：The air inlet loop（4）It is tangent with air inlet.
4. a kind of monophase field misting cooling according to claim 1 actively expedites the emergence of the device of bubble augmentation of heat transfer, its feature
It is：The gas passage（5）There is 1-10 pairs.
5. a kind of monophase field misting cooling according to claim 1 actively expedites the emergence of the device of bubble augmentation of heat transfer, its feature
It is：The controller（8）Magnetic valve one is controlled by switching signal（1）Keying, pass through pulse signal control magnetic valve two
（7）Keying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664171.3U CN206806322U (en) | 2017-06-09 | 2017-06-09 | A kind of monophase field misting cooling actively expedites the emergence of the device of bubble augmentation of heat transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664171.3U CN206806322U (en) | 2017-06-09 | 2017-06-09 | A kind of monophase field misting cooling actively expedites the emergence of the device of bubble augmentation of heat transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206806322U true CN206806322U (en) | 2017-12-26 |
Family
ID=60746637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720664171.3U Expired - Fee Related CN206806322U (en) | 2017-06-09 | 2017-06-09 | A kind of monophase field misting cooling actively expedites the emergence of the device of bubble augmentation of heat transfer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206806322U (en) |
-
2017
- 2017-06-09 CN CN201720664171.3U patent/CN206806322U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107223004A (en) | A kind of device and method of microchannel surface formula misting cooling augmentation of heat transfer | |
| CN106785822B (en) | A kind of system and method for cooling superelevation heat flow density heat source | |
| CN207070558U (en) | A kind of device of microchannel surface formula misting cooling augmentation of heat transfer | |
| CN106323042B (en) | A kind of low temp heating piece | |
| CN110381700B (en) | Spraying chamber and steam chamber integral type phase transition cooling device and system | |
| CN106450579B (en) | Gas-liquid cooling integrated heat dissipation device and thermal management system | |
| CN206300532U (en) | A kind of water energy storage equipment with umbrella shape composite water-locator | |
| WO2006075493A1 (en) | Vapor cooling method, vapor cooling apparatus, and flow passage structure, and application thereof | |
| CN205112420U (en) | Shower nozzle for three -dimensional inkjet printer | |
| CN207317264U (en) | A kind of return-stroke type fused salt regenerative furnace of adaptive wind-warm syndrome | |
| CN206806322U (en) | A kind of monophase field misting cooling actively expedites the emergence of the device of bubble augmentation of heat transfer | |
| CN206035630U (en) | Adjustable high -power car liquid cooling ware | |
| CN208205489U (en) | A kind of airborne spray cooling system preventing failure using phase-change material cooling spray medium and using micro-channel heat exchanger | |
| CN107123627A (en) | A kind of monophase field misting cooling actively expedites the emergence of the device and method of bubble augmentation of heat transfer | |
| CN109462964A (en) | Boiling heat transfer structure | |
| CN210309074U (en) | Cooling type workstation of 3D printer | |
| US11848642B2 (en) | Solar photovoltaic panel fog/mist cooling system | |
| CN208779992U (en) | Novel plate heat exchanger | |
| CN207115285U (en) | A kind of industrial computer for being easy to radiating | |
| CN208904188U (en) | A kind of battery thermal management system and automobile | |
| CN207074018U (en) | A kind of plate changes closed cooling tower | |
| CN207706627U (en) | A kind of radiator of Automobile networked devices | |
| CN207947266U (en) | A kind of liquid-cooling heat radiator for semiconductor refrigerating air water fetching device | |
| CN207317327U (en) | A kind of evaporative condenser coil pipe and evaporative condenser | |
| CN216011002U (en) | Intelligent energy-saving heating equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20190609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |