EP2431700A3 - Cross-flow micro heat exchanger - Google Patents

Cross-flow micro heat exchanger Download PDF

Info

Publication number
EP2431700A3
EP2431700A3 EP11007158.6A EP11007158A EP2431700A3 EP 2431700 A3 EP2431700 A3 EP 2431700A3 EP 11007158 A EP11007158 A EP 11007158A EP 2431700 A3 EP2431700 A3 EP 2431700A3
Authority
EP
European Patent Office
Prior art keywords
channel
micro
cross
group
heat exchanger
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
EP11007158.6A
Other languages
German (de)
French (fr)
Other versions
EP2431700A2 (en
EP2431700B1 (en
Inventor
Klaus Schubert
Achim Wenka
Roland Dittmeyer
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.)
Karlsruher Institut fuer Technologie KIT
Original Assignee
Karlsruher Institut fuer Technologie KIT
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 Karlsruher Institut fuer Technologie KIT filed Critical Karlsruher Institut fuer Technologie KIT
Publication of EP2431700A2 publication Critical patent/EP2431700A2/en
Publication of EP2431700A3 publication Critical patent/EP2431700A3/en
Application granted granted Critical
Publication of EP2431700B1 publication Critical patent/EP2431700B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
    • F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels

Landscapes

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

Abstract

Kreuzstrom-Mikrowärmeübertrager zum schnellen Temperieren eines Fluidstroms in einer ersten Mikrokanalgruppe (3) durch einen Wärmeträgerfluidstrom in einer zweiten, die erste kreuzende Mikrokanalgruppe (5) jeweils mit einer Vielzahl an Mikrokanälen (2) mit jeweils einer Kanalbreite, einem Kanalabstand zu einem benachbarten Mikrokanal der gleichen Mikrokanalgruppe sowie einem Kanalquerschnitt. Die Aufgabe besteht darin, ein verbessertes Kreuzstromwärmeübertragersystem vorzuschlagen, das insbesondere eine gleichförmige Temperierung der Fluide in allen Kanälen je Kanalgruppe ermöglicht. Die Aufgabe wird dadurch gelöst, dass die Kanalbreite oder der Kanalquerschnitt für jeden Kanal beider Kanalgruppen stromaufwärts in Richtung der jeweils anderen Kanalgruppe hin gerichtet zunimmt.

Figure imgaf001
Cross-flow micro heat exchanger for rapid temperature control of a fluid flow in a first micro-channel group (3) by a heat transfer fluid flow in a second, the first crossing micro-channel group (5) each having a plurality of micro-channels (2) each having a channel width, a channel spacing to an adjacent micro-channel same micro-channel group and a channel cross-section. The object is to propose an improved cross-flow heat transfer system, which in particular allows a uniform temperature control of the fluids in all channels per channel group. The object is achieved in that the channel width or the channel cross-section for each channel of both channel groups increases upstream in the direction of the respective other group of channels towards increases.
Figure imgaf001
EP11007158.6A 2010-09-17 2011-09-03 Cross-flow micro heat exchanger Not-in-force EP2431700B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010045905 DE102010045905B3 (en) 2010-09-17 2010-09-17 Cross-flow micro heat exchanger

Publications (3)

Publication Number Publication Date
EP2431700A2 EP2431700A2 (en) 2012-03-21
EP2431700A3 true EP2431700A3 (en) 2014-04-30
EP2431700B1 EP2431700B1 (en) 2016-03-23

Family

ID=44675398

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11007158.6A Not-in-force EP2431700B1 (en) 2010-09-17 2011-09-03 Cross-flow micro heat exchanger

Country Status (2)

Country Link
EP (1) EP2431700B1 (en)
DE (1) DE102010045905B3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2995073A1 (en) * 2012-09-05 2014-03-07 Air Liquide EXCHANGER ELEMENT FOR HEAT EXCHANGER, HEAT EXCHANGER COMPRISING SUCH AN EXCHANGER MEMBER, AND METHOD FOR MANUFACTURING SUCH EXCHANGER MEMBER
CN107702566A (en) * 2017-09-14 2018-02-16 华北电力大学 A kind of dot matrix heat exchanger
CN113546590A (en) * 2021-08-18 2021-10-26 南通三责精密陶瓷有限公司 Block-hole type silicon carbide microreactor and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709278C2 (en) * 1987-03-20 1989-03-02 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe, De
EP0930123A2 (en) * 1998-01-16 1999-07-21 dbb fuel cell engines GmbH Brazing method of microstructured metallic sheets
DE19844930A1 (en) * 1998-03-16 1999-09-30 Samsung Electronics Co Ltd Multi-flow plate heat exchanger
US20020066554A1 (en) * 2000-12-01 2002-06-06 Oh Sai Kee Tube plate structure of micro-multi channel heat exchanger

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4347896A (en) * 1979-10-01 1982-09-07 Rockwell International Corporation Internally manifolded unibody plate for a plate/fin-type heat exchanger
JPS61110887A (en) * 1984-11-02 1986-05-29 Matsushita Refrig Co Evaporator
DE102005033150A1 (en) * 2005-07-13 2007-01-25 Atotech Deutschland Gmbh Microstructured cooler and its use
DE102005052683B4 (en) * 2005-10-27 2012-05-31 Visteon Global Technologies Inc. Multi-channel flat tube for heat exchangers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709278C2 (en) * 1987-03-20 1989-03-02 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe, De
EP0930123A2 (en) * 1998-01-16 1999-07-21 dbb fuel cell engines GmbH Brazing method of microstructured metallic sheets
DE19844930A1 (en) * 1998-03-16 1999-09-30 Samsung Electronics Co Ltd Multi-flow plate heat exchanger
US20020066554A1 (en) * 2000-12-01 2002-06-06 Oh Sai Kee Tube plate structure of micro-multi channel heat exchanger

Also Published As

Publication number Publication date
EP2431700A2 (en) 2012-03-21
DE102010045905B3 (en) 2012-03-29
EP2431700B1 (en) 2016-03-23

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