GB1194249A - Improvements relating to Heat Exchange. - Google Patents

Improvements relating to Heat Exchange.

Info

Publication number
GB1194249A
GB1194249A GB41950/67A GB4195067A GB1194249A GB 1194249 A GB1194249 A GB 1194249A GB 41950/67 A GB41950/67 A GB 41950/67A GB 4195067 A GB4195067 A GB 4195067A GB 1194249 A GB1194249 A GB 1194249A
Authority
GB
United Kingdom
Prior art keywords
liquid
wall
grooves
throats
heat transfer
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
Application number
GB41950/67A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Publication of GB1194249A publication Critical patent/GB1194249A/en
Expired 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
    • 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
    • F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
    • F28F13/185—Heat-exchange surfaces provided with microstructures or with porous coatings
    • F28F13/187—Heat-exchange surfaces provided with microstructures or with porous coatings especially adapted for evaporator surfaces or condenser surfaces, e.g. with nucleation sites
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/02—Devices or arrangements for monitoring coolant or moderator
    • G21C17/038—Boiling detection in moderator or coolant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/32—Anodes
    • H01J19/36—Cooling of anodes
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
    • F28D2021/0029—Heat sinks
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/911—Vaporization

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

1,194,249. Cooling discharge tubes. COMPAGNIE FRANCAISE THOMSON-HOUSTON-HOTCHKISS BRANDT. 14 Sept., 1967 [15 Sept., 1966], No. 41950/67. Heading H1D. [Also in Divisions F1 and F4] A heat transfer surface 1 applicable to electron tubes (Figs. 3-5) is formed with throats or grooves 9 extending in a direction 12 at an angle of between 45 and 90 degrees to the general direction 11 of a forced flow of liquid over the surface, each groove having a depth b greater than its width d, and a guide wall 2 being located adjacent the heat transfer surface so that the liquid flow 11 is confined between the surface and the wall. The arrangement is such that heat is transferred between the liquid and the surface by local evaporation accompanied by recondensation of the vapour in the mass of the liquid. In a typical example described the throats or grooves 9 are 2 mm. wide x 7 mm. deep the distance e of the guide wall 2 from the surface being from 0À3 to 3 mm. As shown, evaporation of the liquid takes place at zones 20-22 of progressively increasing temperature in the throat or groove, and the vapour thus formed discharges at high velocity into the main liquid stream 11 where it is condensed by turbulent admixture with the liquid. It is said that this high turbulence also ensures a liquid feed into the grooves 9 sufficient for the needs of vaporization. The wall 1 may be cylindrical in which case the throats may comprise annular, helical, or longitudinal grooves therein on either the convex or concave surface of the cylinder. In cross-section, the base of the throat may be straight, or rounded (Figs. 3-5), or the crosssection may be triangular (Figs. 6/7). Guide vanes (33, 34, Figs. 3/4) may be attached to the wall 1 or to the wall 2 to direct liquid flow in the space 19 between the walls. Two grooved heat transfer walls may be disposed face to face, each serving as a guide wall for the other. Applications particularly described include an electron tube (Figs. 3/4) and an electron beam tube (Fig. 5) in which the wall constitutes the tube anode. Also described in connection with electron tubes are the provision of an elastic hollow body 37 (Fig. 4) in the liquid stream to damp out abrupt variations in pressure which may occur therein.
GB41950/67A 1966-09-15 1967-09-14 Improvements relating to Heat Exchange. Expired GB1194249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR76446A FR1502797A (en) 1966-09-15 1966-09-15 Improvements to heat exchange devices between a wall and a liquid

Publications (1)

Publication Number Publication Date
GB1194249A true GB1194249A (en) 1970-06-10

Family

ID=8617167

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41950/67A Expired GB1194249A (en) 1966-09-15 1967-09-14 Improvements relating to Heat Exchange.

Country Status (9)

Country Link
US (1) US3455376A (en)
JP (1) JPS5025181B1 (en)
CH (1) CH485191A (en)
DE (1) DE1601173B2 (en)
FR (1) FR1502797A (en)
GB (1) GB1194249A (en)
NL (1) NL159806B (en)
OA (1) OA04925A (en)
SU (1) SU441722A3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259180A (en) * 1991-08-30 1993-03-03 Eev Ltd Cooling magnetrons
US5387841A (en) * 1991-08-30 1995-02-07 Eev Limited Magnetron having an anode with cooling channels

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546697A (en) * 1984-10-03 1985-10-15 Black & Decker, Inc. Drip coffeemaker hot water generator
DE3664959D1 (en) * 1985-10-31 1989-09-14 Wieland Werke Ag Finned tube with a notched groove bottom and method for making it
JPH0425802Y2 (en) * 1987-09-17 1992-06-22
FR2627898B1 (en) * 1988-02-26 1990-06-22 Thomson Csf ELECTRONIC TUBE COOLED BY CIRCULATION OF A FLUID
DE68912636T4 (en) * 1988-04-13 1995-07-13 Mitsubishi Aluminium Heat exchanger core.
FR2631165B1 (en) * 1988-05-05 1992-02-21 Moulene Daniel TEMPERATURE CONDITIONING MEDIUM FOR SMALL OBJECTS SUCH AS SEMICONDUCTOR COMPONENTS AND THERMAL REGULATION METHOD USING THE SAME
US6531206B2 (en) 2001-02-07 2003-03-11 3M Innovative Properties Company Microstructured surface film assembly for liquid acquisition and transport
US20050106360A1 (en) * 2003-11-13 2005-05-19 Johnston Raymond P. Microstructured surface building assemblies for fluid disposition
US20110100603A1 (en) * 2005-06-29 2011-05-05 Science Research Laboratory, Inc. Microchannel cooling device for small heat sources
US7836940B2 (en) * 2005-06-29 2010-11-23 Microvection, Inc. Microchannel cooling device for small heat sources
US20080073061A1 (en) * 2006-09-27 2008-03-27 Rajen Dias Variable depth microchannels
WO2009153735A1 (en) * 2008-06-18 2009-12-23 Brusa Elektronik Ag Cooling system, in particular for electronic structural units
US10697629B2 (en) * 2011-05-13 2020-06-30 Rochester Institute Of Technology Devices with an enhanced boiling surface with features directing bubble and liquid flow and methods thereof
US9219022B2 (en) 2012-03-08 2015-12-22 International Business Machines Corporation Cold plate with combined inclined impingement and ribbed channels
US10270220B1 (en) 2013-03-13 2019-04-23 Science Research Laboratory, Inc. Methods and systems for heat flux heat removal
EP3874522A4 (en) * 2018-10-31 2022-07-27 Terrestrial Energy USA, Inc. Power plant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098380A (en) * 1936-07-19 1937-11-09 Telefunken Gmbh Gas discharge device
NL209907A (en) * 1955-07-07
US2969957A (en) * 1956-01-10 1961-01-31 Thomson Houston Comp Francaise Electric discharge device cooling systems
US3046429A (en) * 1958-06-06 1962-07-24 Thomson Houston Comp Francaise High frequency energy interchange device
US3235004A (en) * 1962-02-23 1966-02-15 Thomson Houston Comp Francaise Heat dissipating structure
FR1349387A (en) * 1962-12-05 1964-01-17 Commissariat Energie Atomique Improvements to heat exchangers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2259180A (en) * 1991-08-30 1993-03-03 Eev Ltd Cooling magnetrons
GB2259180B (en) * 1991-08-30 1994-12-07 Eev Ltd Magnetron
US5387841A (en) * 1991-08-30 1995-02-07 Eev Limited Magnetron having an anode with cooling channels

Also Published As

Publication number Publication date
DE1601173A1 (en) 1970-06-18
DE1601173B2 (en) 1976-11-11
FR1502797A (en) 1967-11-24
NL6712389A (en) 1968-03-18
OA04925A (en) 1980-10-31
US3455376A (en) 1969-07-15
CH485191A (en) 1970-01-31
SU441722A3 (en) 1974-08-30
NL159806B (en) 1979-03-15
JPS5025181B1 (en) 1975-08-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee