CN107131783A - A kind of porous constant-current stabilizer loop circuit heat pipe - Google Patents
A kind of porous constant-current stabilizer loop circuit heat pipe Download PDFInfo
- Publication number
- CN107131783A CN107131783A CN201710267199.8A CN201710267199A CN107131783A CN 107131783 A CN107131783 A CN 107131783A CN 201710267199 A CN201710267199 A CN 201710267199A CN 107131783 A CN107131783 A CN 107131783A
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- Prior art keywords
- tedge
- constant
- current stabilizer
- collector
- heat pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/025—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes having non-capillary condensate return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/08—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by varying the cross-section of the flow channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F7/00—Elements not covered by group F28F1/00, F28F3/00 or F28F5/00
- F28F7/02—Blocks traversed by passages for heat-exchange media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2210/00—Heat exchange conduits
- F28F2210/10—Particular layout, e.g. for uniform temperature distribution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/30—Safety or protection arrangements; Arrangements for preventing malfunction for preventing vibrations
Abstract
The invention provides a kind of heat pipe, including evaporation collector, condensation collector, tedge and return duct, the tedge is connected with evaporation collector and condensation collector, the evaporation collector is located at bottom, the condensation collector is located at top, and the fluid absorbs heat in evaporation collector and evaporated, and enters condensation collector by tedge, condensed after being exchanged heat in condensation collector, the fluid of condensation returns to evaporation collector by return duct；Constant-current stabilizer is set in the tedge, set in same tedge and constant-current stabilizer is set in multiple constant-current stabilizers, the tedge, multiple constant-current stabilizers are set in same tedge, along the short transverse of tedge, the spacing between adjacent constant-current stabilizer constantly reduces.The present invention is changed by the spacing of constant-current stabilizer, when there is Gas- liquid two-phase flow in tedge, augmentation of heat transfer, while weakening the vibration of tedge, reduces noise level.
Description
Technical field
The invention belongs to heat pipe field, more particularly to a kind of heat exchange heat pipe.
Background technology
Hot pipe technique is George Ge Luofo of U.S. Los Alamos (Los Alamos) National Laboratory in 1963
One kind of (George Grover) invention is referred to as the heat transfer element of " heat pipe ", and it takes full advantage of heat-conduction principle and is situated between with phase transformation
The heat of thermal objects, is delivered to outside thermal source rapidly by the quick thermal transport property of matter through heat pipe, and its capacity of heat transmission, which exceedes, appoints
The capacity of heat transmission of what known metal.
The industries such as aerospace, military project are widely used in before hot pipe technique, since being introduced into radiator manufacturing so that
People change the mentality of designing of traditional heat sinks, have broken away from the high air quantity motor of simple dependence to obtain the list of more preferable radiating effect
One radiating mode, using hot pipe technique so that radiator obtains satisfied heat transfer effect, opens radiating industry new world.At present
Heat pipe is widely used in various heat transmission equipments, including nuclear power field, such as the UTILIZATION OF VESIDUAL HEAT IN of nuclear power.
On the one hand, heat pipe is in evaporation process, and inevitably carrying of liquids is in tedge, simultaneously as condensation end
Exothermic condensation so that there is liquid in condensation end, liquid also inevitably enters tedge, so that tedge
Interior fluid is liquid-vapor mixture, while the on-condensible gas that heat pipe can be produced because of aging in the process of running, on-condensible gas one
As rise to the condensation end on heat pipe top, the presence of on-condensible gas causes the pressure in condensation end of heat pipe to increase, and pressure causes
Liquid ramps up Bottomhole pressure.It greatly have impact on the efficiency of heat exchange.
On the other hand, condensation collector this section is exported to from tedge, because the space of this section becomes big suddenly, space
Change can cause the quick of gas to flow upwards out and assemble, therefore spatial variations can cause the vapour phase of aggregation（Vapour group）From tedge
Position enters condensation collector, due to gas（Vapour）Liquid density contrast, air mass leaves adapter position and will moved rapidly upward, and air mass is former empty
Between position the liquid of wall is pushed away while also by rapid resilience and hitting wall by air mass, form impingement phenomenon.Gas（Vapour）Liquid phase
More discontinuous, air mass aggregation is bigger, and Impact energy is bigger.Impingement phenomenon can cause larger noise to shake and mechanical shock, right
Equipment is damaged.
The present inventor also devises a kind of multitube constant-current stabilizer in above applying, shown in Figure 6.But such a dress
Put and find in operation, because be to be closely linked between pipe, therefore the space A formed between three pipes is relatively
It is small, because the convex arc that space A is three pipes is formed, therefore space A most of area stenosis, fluid can be caused to be difficult to enter
Pass through, cause fluid short, so as to have impact on the heat exchange of fluid, it is impossible to play good current stabilization effect.Simultaneously as above-mentioned knot
Together, manufacture is difficult for many tube combinations of structure.
In view of the above-mentioned problems, the present invention has carried out improving there is provided a kind of new heat pipe on the basis of above invention, from
And it is low and its problem of exchange heat uneven to solve the coefficient of heat transfer in the case of heat pipe heat exchanging.
The content of the invention
The invention provides a kind of new heat pipe, so as to solve the technical problem above occurred.
To achieve these goals, technical scheme is as follows：
A kind of heat pipe, including evaporation collector, condensation collector, tedge and return duct, the tedge and evaporation collector and condensation
Collector is connected, and the evaporation collector is located at bottom, and the condensation collector is located at top, and the fluid absorbs heat in evaporation collector
Evaporation, enters condensation collector by tedge, is condensed after being exchanged heat in condensation collector, and the fluid of condensation is returned by return duct
To evaporation collector；Set in the tedge in constant-current stabilizer, same tedge and multiple constant-current stabilizers are set, along tedge
Short transverse, the spacing between adjacent constant-current stabilizer constantly reduces.
Preferably, along the short transverse of tedge, the ever-reduced amplitude of spacing between adjacent constant-current stabilizer is got over
Come bigger.
Preferably, the constant-current stabilizer includes core body and shell, the core body is arranged in shell, the shell with it is upper
Riser inwall is connected, and the core body is set on the integral structure part extended along outer cover length direction, the structural member
It is equipped with a number of through hole.
Preferably, the through hole is circular, the distance between adjacent through hole center of circle L1>2R, wherein R are insertions
Pore radius.
Preferably, setting aperture between adjacent through hole, the connection between through hole is realized by aperture.
Preferably, setting multiple constant-current stabilizers in tedge, the height that distance rises tube inlet is H, adjacent current stabilization dress
The distance between put is S, S=F1(H) following require, is met：
S’<0, S”>0。
Preferably, setting multiple constant-current stabilizers in tedge, the height that distance rises tube inlet is H, constant-current stabilizer
Length is C, C=F2(H) following require, is met：
C’>0, C”>0。
Preferably, setting multiple constant-current stabilizers in tedge, the height that distance rises tube inlet is H, constant-current stabilizer
Through hole a diameter of D, D=F3(H) following require, is met：
D’<0, D”>0。
Preferably, the rising inside pipe wall sets groove, the shell of the constant-current stabilizer is arranged in groove, described outer
The inwall of shell and the aligning inner of tedge.
Preferably, tedge is welded for multi-segment structure, the junction of multi-segment structure sets constant-current stabilizer.
Preferably, the distance between adjacent constant-current stabilizer is S, the length of constant-current stabilizer is C, and the external diameter of heat exchanger tube is W,
The radius of through hole is R, the distance between adjacent through hole center of circle L1, meets following require：
S/C=a-b*LN (W/（2*R）)；
L1/（2*R） =c*(W/（2*R）)-d*(W/（2*R）)2-e
Wherein LN is logarithmic function, a, b, c, and d, e is parameter, wherein 3.0<a<3.5,0.5<b<0.6；2.9<c<3.1,0.33<d
<0.37,4.8<e<5.3；
The spacing of wherein constant-current stabilizer is with the distance between relative two ends of adjacent constant-current stabilizer；
34<W<58mm；
4<R<6mm;
17<C<25mm；
32<S<40mm；
1.05<L1/（2*R）<1.25.
Preferably, a=3.20, b=0.54, c=3.03, d=0.35, e=5.12.
Compared with prior art, the present invention has the advantage that：
1）The present invention is changed by the spacing of constant-current stabilizer, when there is Gas- liquid two-phase flow in tedge, augmentation of heat transfer, simultaneously
Weaken the vibration of tedge, reduce noise level.
2）The invention provides a kind of constant-current stabilizer of Novel structure, two-phase fluid is separated with respect to constant-current stabilizer
Into liquid and gas, liquid phase is divided into small liquid group, gas phase is divided into minute bubbles, suppresses the backflow of liquid phase, promotes gas phase suitable
Channel Group is moved, and plays a part of regime flow, the effect with vibration and noise reducing, improves heat transfer effect.Relative to multitube current stabilization dress
Put, further improve steady flow result, augmentation of heat transfer, and be simple to manufacture.
3）The present invention, equivalent to inner area is added in tedge, is enhanced and changed by setting porous type constant-current stabilizer
Heat, improves heat transfer effect.
4）The present invention is because vehicle repair major is split in the whole cross-section location of tedge, it is to avoid only
Tedge internal face is split, thus entirely rise realized on tube section expand liquid-vaqor interface and vapour phase boundary layer with it is cold
But the contact area of wall and strengthen disturbance, reduce noise and vibrations, enhance heat transfer.
5）The present invention in tedge short transverse by setting distance, the length of constant-current stabilizer between adjacent constant-current stabilizer
The rule change of the parameter sizes such as degree, the external diameter of through hole, so as to further reach steady flow result, reduces noise, improves heat exchange
Effect.
6）The present invention has been carried out widely by the rule that exchanged heat caused by the change to porous type constant-current stabilizer parameters
Research, in the case of flow resistance is met, realizes the best relation formula of the effect of vibration and noise reducing.
Brief description of the drawings
Fig. 1 is the heat pipe structure schematic diagram of the present invention；
Fig. 2 constant-current stabilizer cross-sectional structure schematic diagrames of the present invention；
Fig. 3 is that constant-current stabilizer of the present invention arranges schematic diagram in tedge；
Fig. 4 is another schematic diagram that constant-current stabilizer of the present invention is arranged in tedge.
Fig. 5 is that constant-current stabilizer of the present invention arranges cross-sectional view in tedge.
Fig. 6 is the structural representation of the two-phase flow tube shell type heat exchanger in background technology.
In figure：1st, collector is evaporated, 2, condensation collector, 3, tedge, 4, constant-current stabilizer, 41 shells, 42 holes, 43 structures
Part, 5, return duct.
Embodiment
The embodiment to the present invention is described in detail below in conjunction with the accompanying drawings.
Herein, if without specified otherwise, being related to formula, "/" represents division, and "×", " * " represent multiplication.
A kind of heat pipe as shown in Figure 1, including evaporation collector 1, condensation collector 2, tedge 3 and return duct 5, it is described to rise
Pipe 3 is connected with evaporation collector 1 and condensation collector 2, and the evaporation collector 1 is located at bottom, and the condensation collector 2 is located at top,
Fluid heat absorption evaporation in evaporation collector 1, enters condensation collector 2 by tedge 3, is exchanged heat in condensation collector 2
After condense, the fluid of condensation returns to evaporation collector 1 by return duct 5.
As illustrated in figures 4-5, porous type constant-current stabilizer 4 is set in tedge 3.The structure of the porous type constant-current stabilizer 4
See Fig. 3.As shown in figure 3, the constant-current stabilizer 4 includes core body and shell 41, the core body is arranged in shell 41, the shell
It is connected with rising inside pipe wall, the core body is the integral structure part 43 extended along outer cover length direction, the structure
A number of through hole 42 is provided with part.
The present invention sets porous type constant-current stabilizer in tedge 3, by porous type constant-current stabilizer by two-phase fluid
Liquid phase and vapour phase are separated, and liquid phase is divided into small liquid group, vapour phase is divided into minute bubbles, it is to avoid liquid phase and vapour phase it is complete
Separate, promote liquid vapor phase smooth outflow, play a part of regime flow, the effect with vibration and noise reducing.Relative to multitube
Constant-current stabilizer, further improves steady flow result, augmentation of heat transfer, and be simple to manufacture.
The present invention, equivalent to interior heat exchange area is added in tedge, is enhanced by setting porous type constant-current stabilizer
Heat exchange, improves heat transfer effect.
The present invention is because all cross-section locations by gas-liquid two-phase in all tedges are split, so that whole
Gas-liquid interface and the segmentation of gas phase boundary and the contact area of cooling wall are realized on heat exchange tube section and strengthens disturbance, greatly
Big reduces noise and vibrations, enhances heat transfer.
Preferably, the through hole is circular, the distance between adjacent through hole center of circle L1>2R, wherein R are insertions
Pore radius.
Pass through the distance between through hole center of circle L1>2R so that maintained a certain distance between adjacent through hole 51, from
And ensure each hole and preferably separate two phase flow fluid.
Preferably, the core body is the structural member that integration is processed.By setting porous core body, system can be caused
Make simple.
Preferably, setting aperture between adjacent through hole, the connection between through hole 42 is realized by aperture.
Preferably, the position of the both side ends of the connection of return duct 5 evaporation collector 1 and condensation collector 2.So ensure fluid
Flow path in condensation collector 2 is long, can further increase heat-exchange time, improves heat exchange efficiency.
Preferably, by setting insert in the space 43 between shell 41 and outermost layer through hole 42, it is ensured that pass through
Closely connected between through hole, while ensureing that through hole 42 is fixed in shell 41.
Preferably, adjacent through hole 42 is by being welded together.Linked together by welding manner, it is ensured that
Being connected firmly between through hole 42.
Preferably, setting aperture to realize insertion between adjacent through hole 42.By setting aperture, it is ensured that adjacent
Interconnected between through hole, pressure that can uniformly between through hole so that the fluid of high pressure runner flows to low pressure, while
Liquid phase and vapour phase can further be separated while flow of fluid, be conducive to further stablizing two-phase flow.
Preferably, being passed through in condensation collector 2 in the fluid in heat exchange pipeline, the heat exchange pipeline and condensation collector 2
Steam is exchanged heat.
Preferably, tedge 3 and evaporation collector 1 are all endothermic sections.
Preferably, along the flow direction of fluid in tedge 3（That is Fig. 2 short transverse）, tedge 3 is interior to set many
Individual constant-current stabilizer 4, from the entrance of tedge to the outlet of tedge, the distance between adjacent constant-current stabilizer is shorter and shorter.If away from
It is H from rising with a distance from tube inlet, the distance between adjacent constant-current stabilizer is S, S=F1(H), i.e. S is using height H as variable
Function, S ' is S first order derivative, meets following require：
S’<0;
Main cause is because the gas in tedge understands carrier's liquid, in uphill process, tedge in uphill process
It is constantly heated, cause the gas in biphase gas and liquid flow more and more, because the vapour phase in stream-liquid two-phase flow is more and more, rise
Exchange capability of heat in pipe can increase with vapour phase and weaken relatively, and vibrations and its noise also can constantly increase as vapour phase increases
Plus.Therefore need the distance between the adjacent constant-current stabilizer of setting shorter and shorter.
In addition, condensation collector this section is exported to from tedge, because the space of this section becomes big, the change in space suddenly
The quick of gas can be caused to flow upwards out and assemble, therefore spatial variations can cause the vapour phase of aggregation（Vapour group）From tedge position
Into condensation collector, due to gas（Vapour）Liquid density contrast, air mass leaves adapter position and will moved rapidly upward, and the former space bit of air mass
Put and the liquid of wall is pushed away while also by rapid resilience and hitting wall by air mass, form impingement phenomenon.Gas（Vapour）Liquid phase is more not
Continuously, air mass aggregation is bigger, and water hammer energy is bigger.Impingement phenomenon can cause larger noise to shake and mechanical shock, to equipment
Damage.Therefore in order to avoid the generation of this phenomenon, the distance between adjacent constant-current stabilizer now set is shorter and shorter,
So as to constantly separate gas phase and liquid phase in fluid delivery process, so as to reduce vibrations and noise to the full extent.
It is found through experiments that, by above-mentioned setting, vibrations and noise can be both reduced to the full extent, while can carry
High heat transfer effect.
Further preferably, from the entrance of tedge 3 to the outlet of tedge 3, the distance between adjacent constant-current stabilizer is more next
Shorter amplitude is continuously increased.That is S " is S second derivative, meets following require：
S”>0;
It is found through experiments that, by being arranged such, can further reduces by 9% or so vibrations and noise, while it is left to improve 7%
Right heat transfer effect.
Preferably, the length of each constant-current stabilizer 4 keeps constant.
Preferably, in addition to the distance between adjacent constant-current stabilizer 4, constant-current stabilizer others parameter（Such as length,
Caliber etc.）Keep constant.
Preferably, along the short transverse of tedge 3, tedge 3 is interior to set multiple constant-current stabilizers 4, from tedge 3
Entrance is to the outlet of tedge 3, and the length of constant-current stabilizer 4 is increasingly longer.I.e. the length of constant-current stabilizer is C, C=F2(X), C ' is C
First order derivative, meet following require：
C’>0;
Further preferably, from the entrance of tedge to the outlet of tedge, the increasingly longer amplitude of the length of constant-current stabilizer is continuous
Increase.That is C " is C second derivative, meets following require：
C”>0;
The change of the distance between for example adjacent constant-current stabilizer of specific reason is identical.
Preferably, the distance between adjacent constant-current stabilizer keeps constant.
Preferably, except the length of constant-current stabilizer is outside one's consideration, constant-current stabilizer others parameter（Such as adjacent spacing, caliber
Deng）Keep constant.
Preferably, along the short transverse of tedge 3, tedge 3 is interior to set multiple constant-current stabilizers, from tedge 3
Entrance is to the outlet of tedge 3, and the diameter of the through hole 42 in different constant-current stabilizers 4 is less and less.That is the insertion of constant-current stabilizer
Bore dia is D, D=F3(X), D ' is D first order derivative, meets following require：
D’<0;
Preferably, from the entrance of tedge to the outlet of tedge, the less and less amplitude of the insertion bore dia of constant-current stabilizer
It is continuously increased.I.e.
D " is D second derivative, meets following require：
D”>0。
The change of the distance between for example adjacent constant-current stabilizer of specific reason is identical.
Preferably, the length of constant-current stabilizer and the distance of adjacent constant-current stabilizer keep constant.
Preferably, in addition to the insertion bore dia of constant-current stabilizer, constant-current stabilizer others parameter（Such as length, adjacent
The distance between constant-current stabilizer etc.）Keep constant.
Further preferably, as shown in figure 3, the inside of the tedge 3 sets groove, the shell 41 of the constant-current stabilizer 4 is set
Put in groove.
Preferably, the aligning inner of the inwall of shell 41 and tedge 3.Pass through alignment so that tedge internal face table
Reached on face in approximately the same plane, it is ensured that surface it is smooth.
Preferably, the thickness of shell 41 is less than the depth of groove, it can so cause tedge internal face formation groove,
So as to carry out augmentation of heat transfer.
Further preferably, as shown in figure 4, tedge 3 is welded for multi-segment structure, the junction of multi-segment structure sets steady
Flow device 4.This mode causes being simple to manufacture for the tedge for setting constant-current stabilizer, cost reduction.
By analysis and experiment learn, the spacing between constant-current stabilizer can not be excessive, it is excessive if cause damping noise reduction
Effect it is bad, while can not be too small, it is too small if cause resistance excessive, similarly, the diameter of through hole can not it is excessive or
Person is too small, and the effect for also resulting in damping noise reduction is bad or resistance is excessive, therefore the present invention is by substantial amounts of experiment, preferential
Meet normal flow resistance（Total pressure-bearing is below 2.5Mpa, or the on-way resistance of single riser is less than or equal to 5Pa/M）
In the case of so that being optimal of damping noise reduction, arrange the optimal relation of parameters.
Preferably, the distance between adjacent constant-current stabilizer is S, the length of constant-current stabilizer is C, and the external diameter of heat exchanger tube is W,
The radius of through hole is R, the distance between adjacent through hole center of circle L1, meets following require：
S/C=a-b*LN (W/（2*R）)；
L1/（2*R） =c*(W/（2*R）)-d*(W/（2*R）)2-e
Wherein LN is logarithmic function, a, b, c, and d, e is parameter, wherein 3.0<a<3.5,0.5<b<0.6；2.9<c<3.1,0.33<d
<0.37,4.8<e<5.3；
The interval S of wherein constant-current stabilizer is with the distance between relative two ends of adjacent constant-current stabilizer；That is above constant-current stabilizer
Tail end and the distance between front end of constant-current stabilizer below.Referring specifically to Fig. 4 mark.
34<W<58mm；
4<R<6mm;
17<C<25mm；
32<S<40mm；
1.05<L1/（2*R）<1.25.
Preferably, a=3.20, b=0.54, c=3.03, d=0.35, e=5.12.
Preferably, rising length of tube L between 3000-5500mm.Further preferably, between 3500-4500mm.
By the preferred of the optimal geometric scale of above-mentioned formula, it can realize under the conditions of meeting normal flow resistance,
Damping noise reduction reaches optimum efficiency.
Further preferably, as W/R increase, a constantly reduce, b constantly increases.
For other parameters, the parameter such as tube wall, housing wall thickness is set according to normal standard.
Preferably, hot tube fluid is water.
Preferably, through hole 42 extends in the whole length direction of constant-current stabilizer 4.I.e. the length of through hole 42 is equal to steady
Flow the length of device 4.
Preferably, the caliber of the evaporation collector 1 is less than the caliber of condensation collector 2.
The internal diameter for evaporating collector is R1, and the internal diameter of condensation collector is R2, is used as preferably then 0.45<R1/R2<0.88.
, can further augmentation of heat transfer by above-mentioned setting, it is possible to increase more than 7% heat exchange efficiency.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should
It is defined when by claim limited range.
Claims (9)
1. a kind of heat pipe, including evaporation collector, condensation collector, tedge and return duct, the tedge is with evaporating collector and cold
Aggegation pipe is connected, and the evaporation collector is located at bottom, and the condensation collector is located at top, and the fluid is inhaled in evaporation collector
Thermal evaporation, enters condensation collector by tedge, is condensed after being exchanged heat in condensation collector, the fluid of condensation passes through return duct
Return to evaporation collector；Characterized in that, setting constant-current stabilizer in the tedge, multiple current stabilization dresses are set in same tedge
Put, along the short transverse of tedge, the spacing between adjacent constant-current stabilizer constantly reduces.
2. heat pipe as claimed in claim 1, it is characterised in that along the short transverse of tedge, between adjacent constant-current stabilizer
The ever-reduced amplitude of spacing it is increasing.
3. damping noise reduction heat pipe as claimed in claim 1, it is characterised in that constant-current stabilizer is set in the tedge, described
Constant-current stabilizer includes core body and shell, and the core body is arranged in shell, and the shell is connected with rising inside pipe wall, described
Core body is to be provided with a number of through hole on the integral structure part extended along outer cover length direction, the structural member.
4. heat pipe as claimed in claim 2, it is characterised in that the through hole is circular, between the adjacent through hole center of circle
Apart from L1>2R, wherein R are insertion pore radius.
5. heat pipe as claimed in claim 2, it is characterised in that set aperture between adjacent through hole, is realized by aperture and passed through
Connection between through hole.
6. heat pipe as claimed in claim 2, it is characterised in that the rising inside pipe wall sets groove, the constant-current stabilizer
Shell is arranged in groove, the inwall of the shell and the aligning inner of tedge.
7. heat pipe as claimed in claim 6, it is characterised in that tedge is welded for multi-segment structure, the company of multi-segment structure
Meet place and constant-current stabilizer is set.
8. heat pipe as claimed in claim 3, it is characterised in that the distance between adjacent constant-current stabilizer is S, the length of constant-current stabilizer
Spend for C, the external diameter of heat exchanger tube is W, the radius of through hole is R, the distance between adjacent through hole center of circle L1 as follows will be met
Ask：
S/C=a-b*LN (W/（2*R）)；
L1/（2*R） =c*(W/（2*R）)-d*(W/（2*R）)2-e
Wherein LN is logarithmic function, a, b, c, and d, e is parameter, wherein 3.0<a<3.5,0.5<b<0.6；2.9<c<3.1,0.33<d
<0.37,4.8<e<5.3；
The spacing of wherein constant-current stabilizer is with the distance between relative two ends of adjacent constant-current stabilizer；
34<W<58mm；
4<R<6mm;
17<C<25mm；
32<S<40mm；
1.05<L1/（2*R）<1.25.
9. heat exchanger as claimed in claim 8, it is characterised in that a=3.20, b=0.54, c=3.03, d=0.35, e=5.12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267199.8A CN107131783B (en) | 2017-04-21 | 2017-04-21 | A kind of porous constant-current stabilizer loop circuit heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107144161A (en) * | 2017-04-28 | 2017-09-08 | 山东大学 | The annular and separation device loop circuit heat pipe that spacing changes in a kind of short transverse |
| CN107816345A (en) * | 2017-10-09 | 2018-03-20 | 中国石油天然气集团公司 | A kind of apparatus and method of well casing gas tolerance metering |
| CN109519953A (en) * | 2018-07-20 | 2019-03-26 | 山东电力高等专科学校 | A kind of flue gas in power station boiler afterheat utilizing system of flow equalization |
| CN109539830A (en) * | 2018-07-20 | 2019-03-29 | 山东大学 | A kind of shell-and-tube heat exchanger of caliber change |
| CN109882821A (en) * | 2018-06-20 | 2019-06-14 | 青岛金玉大商贸有限公司 | Tedge tube spacing optimum design method |
| CN109916206A (en) * | 2018-06-12 | 2019-06-21 | 山东大学 | A kind of loop circuit heat pipe |
| CN109974493A (en) * | 2018-06-12 | 2019-07-05 | 山东大学 | A kind of laminated structure separating device loop circuit heat pipe |
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| CN110864567A (en) * | 2018-07-20 | 2020-03-06 | 山东大学 | Balanced flow design method for digital variable heat exchanger |
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| CN108827047B (en) * | 2017-04-28 | 2019-05-07 | 山东大学 | A kind of loop circuit heat pipe |
| CN107144161A (en) * | 2017-04-28 | 2017-09-08 | 山东大学 | The annular and separation device loop circuit heat pipe that spacing changes in a kind of short transverse |
| CN108827047A (en) * | 2017-04-28 | 2018-11-16 | 山东大学 | A kind of loop circuit heat pipe |
| CN107144161B (en) * | 2017-04-28 | 2018-07-13 | 山东大学 | The annular and separation device loop circuit heat pipe of spacing variation in a kind of short transverse |
| CN108827046A (en) * | 2017-04-28 | 2018-11-16 | 山东大学 | A kind of loop circuit heat pipe of multi-segment structure |
| CN108827046B (en) * | 2017-04-28 | 2019-05-07 | 山东大学 | A kind of loop circuit heat pipe of multi-segment structure |
| CN107816345A (en) * | 2017-10-09 | 2018-03-20 | 中国石油天然气集团公司 | A kind of apparatus and method of well casing gas tolerance metering |
| CN110081745B (en) * | 2018-06-12 | 2020-10-20 | 山东大学 | Loop heat pipe with evaporating part with pipe diameter larger than condensing part |
| CN109916206A (en) * | 2018-06-12 | 2019-06-21 | 山东大学 | A kind of loop circuit heat pipe |
| CN109974493A (en) * | 2018-06-12 | 2019-07-05 | 山东大学 | A kind of laminated structure separating device loop circuit heat pipe |
| CN110081745A (en) * | 2018-06-12 | 2019-08-02 | 山东大学 | A kind of evaporation part caliber is greater than the loop circuit heat pipe of condensation part |
| CN109882821B (en) * | 2018-06-20 | 2020-04-07 | 青岛佰腾科技有限公司 | Ascending pipe spacing optimization design method |
| CN109882821A (en) * | 2018-06-20 | 2019-06-14 | 青岛金玉大商贸有限公司 | Tedge tube spacing optimum design method |
| CN109519953A (en) * | 2018-07-20 | 2019-03-26 | 山东电力高等专科学校 | A kind of flue gas in power station boiler afterheat utilizing system of flow equalization |
| CN110864567A (en) * | 2018-07-20 | 2020-03-06 | 山东大学 | Balanced flow design method for digital variable heat exchanger |
| CN111043882A (en) * | 2018-07-20 | 2020-04-21 | 青岛鑫众合贸易有限公司 | Heat pipe distribution design method for power station boiler waste heat system |
| CN109539830A (en) * | 2018-07-20 | 2019-03-29 | 山东大学 | A kind of shell-and-tube heat exchanger of caliber change |
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