FR2445501A1 - - Google Patents

Info

Publication number
FR2445501A1
FR2445501A1 FR7931076A FR7931076A FR2445501A1 FR 2445501 A1 FR2445501 A1 FR 2445501A1 FR 7931076 A FR7931076 A FR 7931076A FR 7931076 A FR7931076 A FR 7931076A FR 2445501 A1 FR2445501 A1 FR 2445501A1
Authority
FR
France
Prior art keywords
tube
pitch
external surface
inclined grooves
northern hemisphere
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
FR7931076A
Other languages
French (fr)
Other versions
FR2445501B1 (en
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.)
Nikko Engineering Co Ltd
Original Assignee
Nikko Engineering Co Ltd
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 Nikko Engineering Co Ltd filed Critical Nikko Engineering Co Ltd
Publication of FR2445501A1 publication Critical patent/FR2445501A1/fr
Application granted granted Critical
Publication of FR2445501B1 publication Critical patent/FR2445501B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B9/00—Auxiliary systems, arrangements, or devices
    • F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/424—Means comprising outside portions integral with inside portions
    • F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex
    • 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
    • F28F13/04—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Tube de transfert de chaleur pour échangeurs de chaleur installés dans l'hémisphère nord présentant des rainures inclinées 2 dont le pas est à gauche sur la surface externe 1a du tube 1.Heat transfer tube for heat exchangers installed in the northern hemisphere having inclined grooves 2, the pitch of which is on the left on the external surface 1a of the tube 1.

FR7931076A 1978-12-28 1979-12-19 Expired FR2445501B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16108178A JPS5592892A (en) 1978-12-28 1978-12-28 Heat transmitting tube

Publications (2)

Publication Number Publication Date
FR2445501A1 true FR2445501A1 (en) 1980-07-25
FR2445501B1 FR2445501B1 (en) 1982-03-05

Family

ID=15728255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931076A Expired FR2445501B1 (en) 1978-12-28 1979-12-19

Country Status (5)

Country Link
JP (1) JPS5592892A (en)
DE (1) DE2951194A1 (en)
FR (1) FR2445501B1 (en)
GB (1) GB2037974A (en)
SE (1) SE7910537L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2543586C2 (en) * 2013-07-05 2015-03-10 Павел Николаевич Брянский Heat exchange tube

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60101589U (en) * 1983-12-19 1985-07-11 三菱重工業株式会社 helical coil heat transfer tube
JPS6189497A (en) * 1984-10-05 1986-05-07 Hitachi Ltd Heat transfer pipe
JPS60101590U (en) * 1984-11-08 1985-07-11 株式会社東芝 condensing heat transfer body
DE202011051486U1 (en) * 2011-09-29 2013-01-08 Schröder Maschinenbau KG Tube heat exchanger
CN102921756B (en) * 2012-10-15 2014-11-12 华东理工大学 High-temperature inner spiral pipe and manufacturing method thereof, as well as spiral line extrusion device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE270533C (en) *
US1549489A (en) * 1918-10-26 1925-08-11 Griscom Russell Co Oil cooler
GB367326A (en) * 1930-06-06 1932-02-18 Delas Condenseurs Improvements in surface condensers with vertical tubes
US2960114A (en) * 1957-04-26 1960-11-15 Bell & Gossett Co Innerfinned heat transfer tubes
DE1198391B (en) * 1959-01-16 1965-08-12 Gen Electric Heat transfer wall with a grooved condensation surface
FR2110039A5 (en) * 1970-10-22 1972-05-26 Zifferer Lothar Helical coaxial condenser - for eg water/refrigerant heat transfer duty
DE2420002A1 (en) * 1974-04-25 1975-11-13 Kurt Friedrich Corrugated tube for heat exchange applications - ensures specified turbulence conditions due to specific turbulence conditions due to specific corrugation length depth and radius ratio

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124965A (en) * 1974-08-26 1976-02-28 Furukawa Metals Co NETSUKOKANKYODENNETSUKAN

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE270533C (en) *
US1549489A (en) * 1918-10-26 1925-08-11 Griscom Russell Co Oil cooler
GB367326A (en) * 1930-06-06 1932-02-18 Delas Condenseurs Improvements in surface condensers with vertical tubes
US2960114A (en) * 1957-04-26 1960-11-15 Bell & Gossett Co Innerfinned heat transfer tubes
DE1198391B (en) * 1959-01-16 1965-08-12 Gen Electric Heat transfer wall with a grooved condensation surface
FR2110039A5 (en) * 1970-10-22 1972-05-26 Zifferer Lothar Helical coaxial condenser - for eg water/refrigerant heat transfer duty
DE2420002A1 (en) * 1974-04-25 1975-11-13 Kurt Friedrich Corrugated tube for heat exchange applications - ensures specified turbulence conditions due to specific turbulence conditions due to specific corrugation length depth and radius ratio

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2543586C2 (en) * 2013-07-05 2015-03-10 Павел Николаевич Брянский Heat exchange tube

Also Published As

Publication number Publication date
JPS624638B2 (en) 1987-01-31
GB2037974A (en) 1980-07-16
SE7910537L (en) 1980-06-29
FR2445501B1 (en) 1982-03-05
DE2951194A1 (en) 1980-07-17
JPS5592892A (en) 1980-07-14

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Legal Events

Date Code Title Description
ST Notification of lapse