GB635691A - Improvements in or relating to heat-exchanging apparatus - Google Patents

Improvements in or relating to heat-exchanging apparatus

Info

Publication number
GB635691A
GB635691A GB25473/46A GB2547346A GB635691A GB 635691 A GB635691 A GB 635691A GB 25473/46 A GB25473/46 A GB 25473/46A GB 2547346 A GB2547346 A GB 2547346A GB 635691 A GB635691 A GB 635691A
Authority
GB
United Kingdom
Prior art keywords
grooves
wall surfaces
flow
opposing
angle
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
GB25473/46A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB635691A publication Critical patent/GB635691A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00—Hot gas positive-displacement engine plants
    • F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • F02G1/053—Component parts or details
    • F02G1/057—Regenerators

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

635,691. Plate heat-exchangers. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Aug. 26, 1946, No 25473. Convention date, Aug. 29, 1945. [Class 64(iii)] In a heat exchanger in which a liquid or gaseous medium flows through a slit-shaped channel or parallel slit-shaped channels, and the wall surfaces of the channels are provided with equidistant parallel grooves 2 which form an acute angle with the flow path of the heating or cooling medium and cross one another on opposing wall surfaces, the said wall surfaces are spaced apart by a distance at least 1/5 of the depth of the grooves and not more than 10 times, preferably not more than 5 times the depth of the grooves. On at least one of the opposing wall surfaces further parallel grooves 4 which form a smaller angle than grooves 2 with the direction of flow may be provided the spacing of which is at least 3 times and the crosssectional area at least 1¢ times that of grooves 2. Where grooves 4 are provided on opposing surfaces they are arranged opposite one another. The section of the smaller grooves may have an asymmetric profile which is preferably such that the fluid medium first strikes the steeper wall of each groove. The grooves 2 may lie at an angle of 15 degrees to 75 degrees to the direction of flow.
GB25473/46A 1945-08-29 1946-08-26 Improvements in or relating to heat-exchanging apparatus Expired GB635691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL635691X 1945-08-29

Publications (1)

Publication Number Publication Date
GB635691A true GB635691A (en) 1950-04-12

Family

ID=19788871

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25473/46A Expired GB635691A (en) 1945-08-29 1946-08-26 Improvements in or relating to heat-exchanging apparatus

Country Status (1)

Country Link
GB (1) GB635691A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040596A (en) * 1988-04-13 1991-08-20 Mitsubishi Aluminum Kabushiki Kaisha Heat exchanger core
EP0543132A1 (en) * 1991-11-16 1993-05-26 Forschungszentrum Karlsruhe GmbH Stirling engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040596A (en) * 1988-04-13 1991-08-20 Mitsubishi Aluminum Kabushiki Kaisha Heat exchanger core
EP0543132A1 (en) * 1991-11-16 1993-05-26 Forschungszentrum Karlsruhe GmbH Stirling engine

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