EP2101136A3 - Vaporiser pipe with optimised undercut on groove base - Google Patents

Vaporiser pipe with optimised undercut on groove base Download PDF

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Publication number
EP2101136A3
EP2101136A3 EP09002560.2A EP09002560A EP2101136A3 EP 2101136 A3 EP2101136 A3 EP 2101136A3 EP 09002560 A EP09002560 A EP 09002560A EP 2101136 A3 EP2101136 A3 EP 2101136A3
Authority
EP
European Patent Office
Prior art keywords
groove
ribs
primary
undercut
vaporiser
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
EP09002560.2A
Other languages
German (de)
French (fr)
Other versions
EP2101136A2 (en
EP2101136B1 (en
Inventor
Andreas Knöpfler
Andreas Schwitalla
Andreas Dr. Beutler
Jean Dr. El Hajal
Ronald Lutz
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.)
Wieland Werke AG
Original Assignee
Wieland Werke AG
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 Wieland Werke AG filed Critical Wieland Werke AG
Publication of EP2101136A2 publication Critical patent/EP2101136A2/en
Publication of EP2101136A3 publication Critical patent/EP2101136A3/en
Application granted granted Critical
Publication of EP2101136B1 publication Critical patent/EP2101136B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
    • F28F1/36—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely the means being helically wound fins or wire spirals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

Die Erfindung betrifft ein metallisches Wärmeaustauscherrohr (1) mit auf der Rohraußenseite helixförmig umlaufenden, integral ausgeformten und durchgehend ausgebildeten Rippen (2), deren Rippenfuß (3) im Wesentlichen radial von der Rohrwandung (5) absteht, sowie mit zwischen jeweils benachbarten Rippen (2) sich befindenden Primärnuten (6). Im Bereich des Nutengrundes (7) der Primärnuten (6) ist mindestens eine hinterschnittene Sekundärnut (8) angeordnet. Diese Sekundärnut (8) ist zur Primärnut (6) hin durch ein Paar einander gegenüberliegender, aus Material jeweils benachbarter Rippenfüße (3) geformter Werkstoffvorsprünge (9) begrenzt. Diese Werkstoffvorsprünge (9) erstrecken sich kontinuierlich entlang der Primärnut (6). Der Querschnitt der Sekundärnut (8) wird in regelmäßigen Intervallen variiert, ohne dabei die Form der Rippen (2) zu beeinflussen. Zwischen den gegenüberliegenden Werkstoffvorsprüngen (9) ist ein Abstand (S), wobei dieser Abstand (S) in regelmäßigen Intervallen variiert wird, wodurch lokale Kavitäten (10) ausgebildet sind.

Figure imgaf001
The invention relates to a metallic heat exchanger tube (1) with helically extending on the tube outside, integrally formed and continuously formed ribs (2), the rib foot (3) protrudes substantially radially from the tube wall (5), and with between each adjacent ribs (2 ) located primary grooves (6). In the region of the groove bottom (7) of the primary grooves (6) at least one undercut secondary groove (8) is arranged. This secondary groove (8) is limited to the primary groove (6) through a pair of opposing material projections (9) formed from material of respectively adjacent rib feet (3). These material projections (9) extend continuously along the primary groove (6). The cross section of the secondary groove (8) is varied at regular intervals without affecting the shape of the ribs (2). Between the opposite material projections (9) is a distance (S), wherein this distance (S) is varied at regular intervals, whereby local cavities (10) are formed.
Figure imgaf001
EP09002560.2A 2008-03-12 2009-02-24 Metallic heat exchanger tube Active EP2101136B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008013929A DE102008013929B3 (en) 2008-03-12 2008-03-12 Metallic heat exchanger pipe i.e. integrally rolled ribbed type pipe, for e.g. air-conditioning and refrigeration application, has pair of material edges extending continuously along primary grooves, where distance is formed between edges

Publications (3)

Publication Number Publication Date
EP2101136A2 EP2101136A2 (en) 2009-09-16
EP2101136A3 true EP2101136A3 (en) 2013-08-07
EP2101136B1 EP2101136B1 (en) 2015-01-14

Family

ID=40418436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09002560.2A Active EP2101136B1 (en) 2008-03-12 2009-02-24 Metallic heat exchanger tube

Country Status (9)

Country Link
US (1) US8281850B2 (en)
EP (1) EP2101136B1 (en)
JP (1) JP5684456B2 (en)
KR (1) KR20090097773A (en)
CN (1) CN101532795B (en)
BR (1) BRPI0900816B1 (en)
DE (1) DE102008013929B3 (en)
MX (1) MX2009001692A (en)
PT (1) PT2101136E (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101603793B (en) * 2009-07-16 2010-09-01 江苏萃隆精密铜管股份有限公司 Intensified condenser tube
US20140000857A1 (en) * 2012-06-19 2014-01-02 William P. King Refrigerant repelling surfaces
CN102980432A (en) * 2012-11-12 2013-03-20 沃林/维兰德传热技术有限责任公司 Evaporation heat transfer pipe with hollow cavity body
CN102980431A (en) * 2012-11-12 2013-03-20 沃林/维兰德传热技术有限责任公司 Evaporation heat-transfer pipe
DE102014002829A1 (en) 2014-02-27 2015-08-27 Wieland-Werke Ag Metallic heat exchanger tube
WO2017087664A1 (en) * 2015-11-17 2017-05-26 Kandlikar, Satish, G. Pool boiling enhancement with feeder channels supplying liquid to nucleating regions
DE102016006914B4 (en) 2016-06-01 2019-01-24 Wieland-Werke Ag heat exchanger tube
CA3192309A1 (en) 2020-10-31 2022-05-05 Achim Gotterbarm Metal heat exchanger tube
DE202020005625U1 (en) 2020-10-31 2021-11-10 Wieland-Werke Aktiengesellschaft Metallic heat exchanger tube

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6064194A (en) * 1983-09-19 1985-04-12 Sumitomo Light Metal Ind Ltd Heat transfer tube
US20070034361A1 (en) * 2005-08-09 2007-02-15 Jiangsu Cuilong Copper Industry Co., Ltd. Heat transfer tubes for evaporators
EP1223400B1 (en) * 2001-01-16 2007-03-14 Wieland-Werke AG Tube for heat exchanger and process for making same

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US3696861A (en) 1970-05-18 1972-10-10 Trane Co Heat transfer surface having a high boiling heat transfer coefficient
DE2808080C2 (en) 1977-02-25 1982-12-30 Furukawa Metals Co., Ltd., Tokyo Heat transfer tube for boiling heat exchangers and process for its manufacture
JPS5419247A (en) * 1977-07-12 1979-02-13 Furukawa Metals Co Method of producing heat exchanger tube for boiling type heat exchanger
US4179911A (en) * 1977-08-09 1979-12-25 Wieland-Werke Aktiengesellschaft Y and T-finned tubes and methods and apparatus for their making
DE2758526C2 (en) 1977-12-28 1986-03-06 Wieland-Werke Ag, 7900 Ulm Method and device for manufacturing a finned tube
JPS5946490A (en) * 1982-09-08 1984-03-15 Kobe Steel Ltd Heat transmitting tube for heat exchanger of boiling type
JPS5959194A (en) * 1982-09-27 1984-04-04 Kuraray Co Ltd Preparation of beta,gamma-dihydropolyprenyl alcohol
US4577381A (en) 1983-04-01 1986-03-25 Kabushiki Kaisha Kobe Seiko Sho Boiling heat transfer pipes
US4660630A (en) 1985-06-12 1987-04-28 Wolverine Tube, Inc. Heat transfer tube having internal ridges, and method of making same
JPH0612222B2 (en) * 1985-08-12 1994-02-16 三菱重工業株式会社 Heat transfer tube with cross groove on inner wall
EP0222100B1 (en) 1985-10-31 1989-08-09 Wieland-Werke Ag Finned tube with a notched groove bottom and method for making it
JPH0439596A (en) 1990-06-06 1992-02-10 Furukawa Electric Co Ltd:The Boiling type heat transfer tube
US5054548A (en) * 1990-10-24 1991-10-08 Carrier Corporation High performance heat transfer surface for high pressure refrigerants
JP2788793B2 (en) * 1991-01-14 1998-08-20 古河電気工業株式会社 Heat transfer tube
JP2730824B2 (en) * 1991-07-09 1998-03-25 三菱伸銅株式会社 Heat transfer tube with inner groove and method of manufacturing the same
FR2678930B1 (en) * 1991-07-10 1995-01-13 Rhone Poulenc Rorer Sa PROCESS FOR THE PREPARATION OF DERIVATIVES OF BACCATIN III AND DESACETYL-10 BACCATIN III.
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US5697430A (en) 1995-04-04 1997-12-16 Wolverine Tube, Inc. Heat transfer tubes and methods of fabrication thereof
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CA2289428C (en) * 1998-12-04 2008-12-09 Beckett Gas, Inc. Heat exchanger tube with integral restricting and turbulating structure
DE10024682C2 (en) * 2000-05-18 2003-02-20 Wieland Werke Ag Heat exchanger tube for evaporation with different pore sizes
US20040010913A1 (en) 2002-04-19 2004-01-22 Petur Thors Heat transfer tubes, including methods of fabrication and use thereof
CN100437011C (en) * 2005-12-13 2008-11-26 金龙精密铜管集团股份有限公司 Flooded copper-evaporating heat-exchanging pipe for electric refrigerator set

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6064194A (en) * 1983-09-19 1985-04-12 Sumitomo Light Metal Ind Ltd Heat transfer tube
EP1223400B1 (en) * 2001-01-16 2007-03-14 Wieland-Werke AG Tube for heat exchanger and process for making same
US20070034361A1 (en) * 2005-08-09 2007-02-15 Jiangsu Cuilong Copper Industry Co., Ltd. Heat transfer tubes for evaporators

Also Published As

Publication number Publication date
US20090229807A1 (en) 2009-09-17
CN101532795A (en) 2009-09-16
DE102008013929B3 (en) 2009-04-09
BRPI0900816A2 (en) 2010-01-19
US8281850B2 (en) 2012-10-09
EP2101136A2 (en) 2009-09-16
KR20090097773A (en) 2009-09-16
PT2101136E (en) 2015-04-22
MX2009001692A (en) 2009-10-05
CN101532795B (en) 2013-07-24
JP2009216374A (en) 2009-09-24
EP2101136B1 (en) 2015-01-14
JP5684456B2 (en) 2015-03-11
BRPI0900816B1 (en) 2020-11-10

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