FR2280872A1 - Differential pressure heat transfer unit - has wick with resistance to liq. flow diminishing progressively from inlet to outlet - Google Patents

Differential pressure heat transfer unit - has wick with resistance to liq. flow diminishing progressively from inlet to outlet

Info

Publication number
FR2280872A1
FR2280872A1 FR7524169A FR7524169A FR2280872A1 FR 2280872 A1 FR2280872 A1 FR 2280872A1 FR 7524169 A FR7524169 A FR 7524169A FR 7524169 A FR7524169 A FR 7524169A FR 2280872 A1 FR2280872 A1 FR 2280872A1
Authority
FR
France
Prior art keywords
outlet
wick
inlet
resistance
liq
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.)
Granted
Application number
FR7524169A
Other languages
French (fr)
Other versions
FR2280872B1 (en
Inventor
Shinji Sawata
Tatsuo Tani
Takashi Horigome
Tadayoshi Tanak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Publication of FR2280872A1 publication Critical patent/FR2280872A1/en
Application granted granted Critical
Publication of FR2280872B1 publication Critical patent/FR2280872B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F28D15/04—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 tubes having a capillary structure
    • F28D15/046—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 tubes having a capillary structure characterised by the material or the construction of the capillary structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The unit comprises a closed tubular vessel with thermal energy inlet and outlet at opposite ends, between which extends a wick. A heat absorption agent is sealed inside the vessel, and travels by capillary action inside the wick from the outlet to the inlet end in the liquid state. There is a vapourised by the heat absorbed and transferred towards the outlet due to the pressure difference. It is liquefied by heat released at the outlet. The wick (2) is so constructed that the resistance offered by it to liquid circulation sinks progressively from the inlet to the outlet end. Multiple channels can be formed in the inside surface of the closed vessel (1), their width increasing progressively from inlet to outlet, and which may form the wick.
FR7524169A 1974-08-02 1975-08-01 Differential pressure heat transfer unit - has wick with resistance to liq. flow diminishing progressively from inlet to outlet Granted FR2280872A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8811674A JPS5545834B2 (en) 1974-08-02 1974-08-02

Publications (2)

Publication Number Publication Date
FR2280872A1 true FR2280872A1 (en) 1976-02-27
FR2280872B1 FR2280872B1 (en) 1982-04-30

Family

ID=13933907

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524169A Granted FR2280872A1 (en) 1974-08-02 1975-08-01 Differential pressure heat transfer unit - has wick with resistance to liq. flow diminishing progressively from inlet to outlet

Country Status (2)

Country Link
JP (1) JPS5545834B2 (en)
FR (1) FR2280872A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436957A1 (en) * 1978-09-21 1980-04-18 Daimler Benz Ag THERMAL TRANSFER SYSTEM USING THE PRINCIPLE OF THE THERMAL TUBE
EP0058628A2 (en) * 1981-02-13 1982-08-25 Yvan Aragou Heat exchanger with capillary structure for refrigerating machines and/or heat pumps
WO2019221947A1 (en) * 2018-05-18 2019-11-21 Microsoft Technology Licensing, Llc Two-phase thermodynamic system having compensational wick geometry to enhance fluid flow

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT3175U1 (en) * 1999-02-05 1999-11-25 Plansee Ag METHOD FOR PRODUCING A THERMALLY HIGH-STRENGTH COMPOSITE COMPONENT
JP6406821B2 (en) * 2013-12-24 2018-10-17 古河電気工業株式会社 heat pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436957A1 (en) * 1978-09-21 1980-04-18 Daimler Benz Ag THERMAL TRANSFER SYSTEM USING THE PRINCIPLE OF THE THERMAL TUBE
EP0058628A2 (en) * 1981-02-13 1982-08-25 Yvan Aragou Heat exchanger with capillary structure for refrigerating machines and/or heat pumps
EP0058628A3 (en) * 1981-02-13 1983-04-13 Yvan Aragou Heat exchanger with capillary structure for refrigeration machines and/or heat pumps, and method for obtaining the same
WO2019221947A1 (en) * 2018-05-18 2019-11-21 Microsoft Technology Licensing, Llc Two-phase thermodynamic system having compensational wick geometry to enhance fluid flow

Also Published As

Publication number Publication date
JPS5117061A (en) 1976-02-10
JPS5545834B2 (en) 1980-11-19
FR2280872B1 (en) 1982-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse