CN105300149A - Pulsating heat pipe heat transfer system realizing one-way circular flowing and heat transfer method of pulsating heat pipe heat transfer system - Google Patents
Pulsating heat pipe heat transfer system realizing one-way circular flowing and heat transfer method of pulsating heat pipe heat transfer system Download PDFInfo
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- CN105300149A CN105300149A CN201510656725.0A CN201510656725A CN105300149A CN 105300149 A CN105300149 A CN 105300149A CN 201510656725 A CN201510656725 A CN 201510656725A CN 105300149 A CN105300149 A CN 105300149A
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Abstract
The invention discloses a pulsating heat pipe heat transfer system realizing one-way circular flowing and a heat transfer method of the pulsating heat pipe heat transfer system. The pulsating heat pipe heat transfer system comprises a direct-current power supply, an ion traction directional tube and a hollow closed-loop pulsating heat pipe loop, wherein the ion traction directional tube comprises multiple emitting electrodes and collecting electrodes, and the emitting electrodes and the collecting electrodes are staggered and arranged sequentially and are connected in a sealed insulation mode; the emitting electrodes are connected with the positive pole of the direct-current power supply, and the collecting electrodes are connected with the negative pole of the direct-current power supply. A high electric field is formed between the emitting electrodes and the collecting electrodes, and under the action of the high electric field, a gas-state working medium and a liquid-state working medium are dragged through electric fluid power, directionally move in the axial direction of the ion traction directional tube and are pushed to perform one-way circular flowing in the hollow closed-loop pulsating heat pipe loop; accordingly, the gas-state working medium and the liquid-state working medium continuously flow and exchange between an evaporation area and a condensation area, and heat transfer is completed. The system has the advantages of simple and convenient technical means and wide application field, and has positive technical effects and popularization and application value.
Description
Technical field
The present invention relates to augmentation of heat transfer field, particularly relate to pulsating heat pipe heat transfer system and the heat-transferring method thereof of the flowing of a kind of one-way circulation.
Background technology
Along with microminiaturization, integrated the improving constantly of electronic manufacturing technology, unit volume internal heat generation amount sharply increases, and " thermal resistance " problem caused thus has become the key factor of restriction electronic manufacturing technology development.On the one hand, the Highgrade integration of electronic devices and components inevitably causes the caloric value of unit volume sharply to increase, and for computer CPU, the heat flow density produced in its running reaches 60 ~ 100W/cm
2, and heat flow density even reaches 10 in semiconductor laser
3w/cm
2the order of magnitude.On the other hand, the reliability of electronic device work is very responsive to temperature, and device temperature often increases by 1 DEG C in 70 ~ 80 DEG C of levels, and reliability will decline 5%, and higher temperature levels becomes the bottleneck of restriction electronic device performance day by day.Therefore, how efficiently heat radiation is particularly important to the development of electronic technology, researchs and develops novel reinforced heat transfer element and has important using value.
Current traditional pulsating heat pipe heat transfer unit (HTU), working medium is difficult in pulsating heat pipe loop, form stable one-way circulation flowing, greatly reduce the exchange efficiency of working medium between evaporating area and condensing zone, when causing pulsating heat pipe to work, heat transfer property is unstable and heat transfer efficiency is excellent not; In addition, under low-power, due to the randomness of gaseous state, liquid refrigerant distribution in pulsating heat pipe, make the working medium circulation of evaporating area and condensing zone be difficult to set up, cause the startup input power of pulsating heat pipe comparatively large, apply limited under low power conditions.
Summary of the invention
The object of the invention is to the shortcoming and defect overcoming above-mentioned prior art, provide a kind of structure simple, the pulsating heat pipe heat transfer system of the one-way circulation flowing that heat transfer efficiency is high and heat-transferring method thereof.
The present invention is achieved through the following technical solutions:
A pulsating heat pipe heat transfer system for one-way circulation flowing, comprises dc source 7, by metal capillary 3 and be serially connected in ion on metal capillary 3 and draw the hollow closed loop pulsating heat pipe loop that oriented tube 4 forms, the working medium filled in hollow closed loop pulsating heat pipe loop; Described hollow closed loop pulsating heat pipe loop is divided into evaporating area, adiabatic region and condensing zone; Described ion traction oriented tube 4 comprises multiple emitter stage 6 and colelctor electrode 5, and interlocking between emitter stage 6 with colelctor electrode 5 is arranged in order and is connected in the mode of sealed insulation; Emitter stage 6 connects the positive pole of dc source 7, and colelctor electrode 5 connects the negative pole of dc source 7.
Described working medium is that gaseous working medium 2 and liquid refrigerant 1 are spaced apart in hollow closed loop pulsating heat pipe loop.
Described ion traction oriented tube 4 can be divided into one or more snippets, and is serially connected in evaporating area, adiabatic region and/or condensing zone.
The electrode of described emitter stage 6 and colelctor electrode 5 adopts the inwall of Bao Biguan, Bao Biguan to be smooth surface or rough surface.
Be provided with insulating washer 8 between emitter stage 6 and colelctor electrode 5, its breakdown voltage is greater than 10000V.
Described emitter stage 6, colelctor electrode 5 be metal material or conductive nonmetal material.
Described working medium is conductivity range is 10
-12~ 10
-16the heat transfer medium of S/cm.
Described working medium is methyl alcohol, ethanol, acetone, cold-producing medium FC-72, freon or deionized water.
The output voltage of described dc source 7 is 100V ~ 10000V.
The heat-transferring method of the pulsating heat pipe heat transfer system of above-mentioned one-way circulation flowing:
Step one: be vacuum environment in hollow closed loop pulsating heat pipe loop; Due to capillary effect, gaseous working medium 2 and liquid refrigerant 1 is spaced is distributed in hollow closed loop pulsating heat pipe loop;
Step 2: open dc source 7, is adjusted to required voltage value;
Step 3: ion traction oriented tube 4 is started working, highfield is formed between emitter stage 6 and colelctor electrode 5, gaseous working medium 2 and liquid refrigerant 1 are under highfield effect, drag by electrohydrodynamic, axial direction along ion traction oriented tube 4 makes displacement, and promote gaseous working medium 2 and liquid refrigerant 1, in hollow closed loop pulsating heat pipe loop, do one-way circulation flowing; Thus complete gaseous working medium 2 and liquid refrigerant 1 constantly flows, exchanges between evaporating area and condensing zone, complete heat transfer.
The present invention, relative to prior art, has following advantage and effect:
The present invention is by external dc high voltage between emitter and collector, produce highfield, to the working medium generation current body power in ion traction oriented tube 4, make its directed movement, thus promote the one-way circulation motion of working medium in whole hollow closed loop pulsating heat pipe loop, not only greatly can improve the exchange efficiency of working medium at evaporating area and condensing zone, the heat transfer efficiency of very big raising pulsating heat pipe and heat endurance, but also greatly can reduce the startup input power of pulsating heat pipe, thus remove limited in low power applications of pulsating heat pipe.
Technical measure is simple and easy to do, and application is wide, has technique effect and application value energetically.
Accompanying drawing explanation
Fig. 1 is the pulsating heat pipe heat transfer system structural representation of one-way circulation of the present invention flowing.
Fig. 2 is Fig. 1 ion traction oriented tube structural representation.
Fig. 3 is Fig. 1 ion traction oriented tube inwall schematic diagram, coarse structure (electric field-enhanced) schematic diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As shown in Figures 1 to 3.The pulsating heat pipe heat transfer system of one-way circulation of the present invention flowing, comprises dc source 7, is drawn the hollow closed loop pulsating heat pipe loop that oriented tube 4 forms, the working medium (cation 9, molecule 10, anion 11) filled in hollow closed loop pulsating heat pipe loop by metal capillary 3 and the ion be serially connected on metal capillary 3; Described hollow closed loop pulsating heat pipe loop is divided into evaporating area, adiabatic region and condensing zone; Described ion traction oriented tube 4 comprises multiple emitter stage 6 and colelctor electrode 5, and interlocking between emitter stage 6 with colelctor electrode 5 is arranged in order and is connected in the mode of sealed insulation; Emitter stage 6 connects the positive pole of dc source 7, and colelctor electrode 5 connects the negative pole of dc source 7.
Described working medium is that gaseous working medium 2 and liquid refrigerant 1 are spaced apart in hollow closed loop pulsating heat pipe loop.
Described ion traction oriented tube 4 can be divided into one or more snippets, and is serially connected in evaporating area, adiabatic region and/or condensing zone.Ion traction oriented tube 4 and the connection of metal capillary 3, can adopt organic polymer stick (Polyvinyl acetate adhesive) to bond.After bonding, mutually insulated between ion traction oriented tube 4 and metal capillary 3, and sealing is good.The connection of emitter stage 6 and colelctor electrode 5 with
The electrode of described emitter stage 6 and colelctor electrode 5 adopts the inwall of Bao Biguan, Bao Biguan to be smooth surface or rough surface.
Be provided with insulating washer 8 (silicone gasket) between described emitter stage 6 and colelctor electrode 5, its breakdown voltage is greater than 10000V.It is identical with the bonding mode of metal capillary 3 that its bonding and ion draw oriented tube 4.
Described emitter stage 6, colelctor electrode 5 be metal material or conductive nonmetal material.
Described working medium is conductivity range is 10
-12~ 10
-16the heat transfer medium of S/cm, as methyl alcohol, ethanol, acetone, cold-producing medium FC-72, freon or deionized water.
The output voltage of described dc source 7 is 100V ~ 10000V.
The heat-transferring method of the pulsating heat pipe heat transfer system of above-mentioned one-way circulation flowing, realizes by following steps:
Step one: be vacuum environment in hollow closed loop pulsating heat pipe loop; Due to capillary effect, gaseous working medium 2 and liquid refrigerant 1 is spaced is distributed in hollow closed loop pulsating heat pipe loop;
Step 2: open dc source 7, is adjusted to required voltage value;
Step 3: ion traction oriented tube 4 is started working, highfield is formed between emitter stage 6 and colelctor electrode 5, gaseous working medium 2 and liquid refrigerant 1 are under highfield effect, drag by electrohydrodynamic, axial direction along ion traction oriented tube 4 makes displacement, and promote gaseous working medium 2 and liquid refrigerant 1, in hollow closed loop pulsating heat pipe loop, do one-way circulation flowing; Thus complete gaseous working medium 2 and liquid refrigerant 1 constantly flows, exchanges between evaporating area and condensing zone, complete heat transfer.
As mentioned above, just the present invention can be realized preferably.
Embodiments of the present invention are not restricted to the described embodiments; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a pulsating heat pipe heat transfer system for one-way circulation flowing, is characterized in that: comprise dc source (7), by metal capillary (3) and be serially connected in ion on metal capillary (3) and draw the hollow closed loop pulsating heat pipe loop that oriented tube (4) forms, the working medium filled in hollow closed loop pulsating heat pipe loop; Described hollow closed loop pulsating heat pipe loop is divided into evaporating area, adiabatic region and condensing zone;
Described ion traction oriented tube (4) comprises multiple emitter stage (6) and colelctor electrode (5), and interlocking between emitter stage (6) with colelctor electrode (5) is arranged in order and is connected in the mode of sealed insulation; Emitter stage (6) connects the positive pole of dc source (7), and colelctor electrode (5) connects the negative pole of dc source (7).
2. the pulsating heat pipe heat transfer system of one-way circulation flowing according to claim 1, is characterized in that: described working medium is that gaseous working medium (2) and liquid refrigerant (1) are spaced apart in hollow closed loop pulsating heat pipe loop.
3. the pulsating heat pipe heat transfer system of one-way circulation flowing according to claim 1, is characterized in that: described ion traction oriented tube (4) can be divided into one or more snippets, and is serially connected in evaporating area, adiabatic region and/or condensing zone.
4. the pulsating heat pipe heat transfer system of one-way circulation flowing according to any one of claim 1 to 3, it is characterized in that: the electrode of described emitter stage (6) and colelctor electrode (5) adopts the inwall of Bao Biguan, Bao Biguan to be smooth surface or rough surface.
5. the pulsating heat pipe heat transfer system of one-way circulation flowing according to claim 4, is characterized in that: be provided with insulating washer (8) between emitter stage (6) and colelctor electrode (5), its breakdown voltage is greater than 10000V.
6. the pulsating heat pipe heat transfer system of one-way circulation according to claim 4 flowing, is characterized in that: described emitter stage (6), colelctor electrode (5) be metal material or conductive nonmetal material.
7. the pulsating heat pipe heat transfer system of one-way circulation flowing according to claim 4, is characterized in that: described working medium is conductivity range is 10
-12~ 10
-16the heat transfer medium of S/cm.
8. the pulsating heat pipe heat transfer system of one-way circulation flowing according to claim 4, is characterized in that: described working medium is methyl alcohol, ethanol, acetone, cold-producing medium FC-72, freon or deionized water.
9. the pulsating heat pipe heat transfer system of one-way circulation flowing according to claim 4, is characterized in that: the output voltage of described dc source (7) is 100V ~ 10000V.
10. the heat-transferring method of the pulsating heat pipe heat transfer system of one-way circulation flowing according to any one of claim 1 to 9, is characterized in that comprising the steps:
Step one: be vacuum environment in hollow closed loop pulsating heat pipe loop; Due to capillary effect, gaseous working medium (2) and liquid refrigerant (1) is spaced is distributed in hollow closed loop pulsating heat pipe loop;
Step 2: open dc source (7), be adjusted to required voltage value;
Step 3: ion traction oriented tube (4) is started working, highfield is formed between emitter stage (6) and colelctor electrode (5), gaseous working medium (2) and liquid refrigerant (1) are under highfield effect, drag by electrohydrodynamic, axial direction along ion traction oriented tube (4) makes displacement, and promote gaseous working medium (2) and liquid refrigerant (1), in hollow closed loop pulsating heat pipe loop, do one-way circulation flowing; Thus complete gaseous working medium (2) and liquid refrigerant (1) constantly flows, exchanges between evaporating area and condensing zone, complete heat transfer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656725.0A CN105300149A (en) | 2015-10-13 | 2015-10-13 | Pulsating heat pipe heat transfer system realizing one-way circular flowing and heat transfer method of pulsating heat pipe heat transfer system |
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|---|---|---|---|
| CN201510656725.0A CN105300149A (en) | 2015-10-13 | 2015-10-13 | Pulsating heat pipe heat transfer system realizing one-way circular flowing and heat transfer method of pulsating heat pipe heat transfer system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225073A (en) * | 2018-02-26 | 2018-06-29 | 华南理工大学 | The pulsating heat pipe and its operation method of a kind of integrated check valve |
| CN113048820A (en) * | 2021-05-07 | 2021-06-29 | 大连海事大学 | Controllable tubular pulsating heat pipe heat transfer system with external oscillation source |
-
2015
- 2015-10-13 CN CN201510656725.0A patent/CN105300149A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225073A (en) * | 2018-02-26 | 2018-06-29 | 华南理工大学 | The pulsating heat pipe and its operation method of a kind of integrated check valve |
| CN113048820A (en) * | 2021-05-07 | 2021-06-29 | 大连海事大学 | Controllable tubular pulsating heat pipe heat transfer system with external oscillation source |
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Application publication date: 20160203 |
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