DE3124379A1 - Heat exchanger with a small overall volume and weight - Google Patents

Heat exchanger with a small overall volume and weight

Info

Publication number
DE3124379A1
DE3124379A1 DE19813124379 DE3124379A DE3124379A1 DE 3124379 A1 DE3124379 A1 DE 3124379A1 DE 19813124379 DE19813124379 DE 19813124379 DE 3124379 A DE3124379 A DE 3124379A DE 3124379 A1 DE3124379 A1 DE 3124379A1
Authority
DE
Germany
Prior art keywords
heat exchanger
weight
overall volume
small overall
fabric
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.)
Withdrawn
Application number
DE19813124379
Other languages
German (de)
Inventor
Oleg 5000 Köln Stolz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19813124379 priority Critical patent/DE3124379A1/en
Publication of DE3124379A1 publication Critical patent/DE3124379A1/en
Withdrawn legal-status Critical Current

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
    • 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
    • F28F1/122—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 being formed of wires
    • 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
    • F28F13/003—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by using permeable mass, perforated or porous materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Geometry (AREA)
  • Woven Fabrics (AREA)

Abstract

Published without abstract.

Description

Waermeuebertrager geringen Bauvolumens und Gewichtes.Heat exchanger of low construction volume and weight.

Aufgabenstellung: Fluessigkeits- Gaswaermetauscher geringen Bauvolumens, Gewichtes und Preises.Task: liquid gas heat exchanger of small construction volume, Weight and price.

Di. Erfindung 6.trifft eine Waermetauscherbauart. die bei wesentliob Kleinerem Bauvolumen in der Lage ist, bei gleichem Ventilationsergieaufwand bzw. Druckverlust die gleichen charakteristischen Daten wie herkoemmliche Bauarten zu erreichen, und gleichzeitig sehr billig produziert werden konn.Invention 6 concerns a heat exchanger design. those at essential Smaller construction volume is able to use the same ventilation energy or Pressure loss has the same characteristic data as conventional designs and at the same time could be produced very cheaply.

Erfindungsgemasse wird die Aufgabe dadurch geloest, dass als waermeuebertragende Oberflaeche auf der Gasseite die Oberflaeche eines einzigen Drahtgewebes (zB. aus Kupfer) verwendet wird und die Waermeuebertragung auf der Fluessigkeitsseite von parallelen Roehrohen, die auf das Drahtgewebe aufgelostet oder eingewebt sind. Je nach gewuenschter Betriebscharakteristik kann die Maschenweite und die Drahtstaerke variiert wenden.According to the invention, the object is achieved in that as a heat transfer Surface on the gas side the surface of a single wire mesh (e.g. from Copper) is used and the heat transfer on the liquid side of parallel tubes that are loosened or woven into the wire mesh. Ever The mesh size and wire thickness can be adjusted according to the desired operating characteristics turn varied.

Wegen der Waermeableitung ist es vorteilhaft, wenn das Gewebe in einer Richtung quer zu den Roehrohen von zusaetzlichen dickeren Draehten durohzogen wird. Dadurch kann der Abstand der Roehrchen vergroessert werden.Because of the heat dissipation, it is advantageous if the fabric in a Direction transversely to the Roehrohen of additional thicker wires is durohzugt. This allows the distance between the tubes to be increased.

Wirkungsweise: Die Eigenschaften eins Waermetauschere werden duroh das Produkt Waermeuebergangszahl * Oberflaeche bestimmt.Mode of action: The properties of a heat exchanger are duroh the product heat transfer number * surface area is determined.

Vergleicht man fuer gleiche Betriebskenndaten die Druckverluste verschiedener Waermetauscherbauarten, zeigt sich ueberraschenderweise, dass saemtliche Druckverluste gleich grose sind, oder aber fuer ein gewuenschtes Produkt Waermeuebergangszahl * Oberflaeche fuer einen gegebenen Stirnquerschnitt und gegebenen Durchsatz auch der Druckverlust bereite festliegt. Andererseite bedeutet dies, dass bei ggegebenem Druckverlust obiges Produkt bereite festliegt ( unter der Voraussetzung, dass der Druokverluet nicht "uneinnig" erzeugt wird ). Ein Drahtgewebe hat bei gegebenem Verhaeltnis von Maschenabstand zu lichter Maschenweite, unabhaengig von der Drahtstaerke, immer die gleiche Oberflaeche.If one compares the pressure losses of different ones for the same operating parameters Heat exchanger designs, surprisingly shows that all pressure losses are of the same size or, for a desired product, the heat transfer number * Surface area for a given face cross-section and a given throughput as well the pressure loss is already fixed. On the other hand, this means that given Pressure loss of the above product is already fixed (provided that the Druokverluet is not created as "disagreeable"). A wire mesh has a given Relationship from mesh spacing to clear mesh size, regardless of the wire size, always the same surface.

Groessenordnungsmaessig liegt dioee bei zwei bis drei Quadratmeter je mt2 Gewebe. Der Druckverlust und damit die Waermeuebergangszahlen haengen jedoch von der Drahtstaerke ab, Bei Luft von Im pro sek Geschwindigkeit und einer Drahtstaerke von #.1 mm betraegt die Waermeuebergangszahl ca. 1### W je m#2K, d.h. obiges Produkt betragt ca 25## W pro K je mt2 Gewebe Dies entspricht einem herkoemmlichen berippten Waermetauscher mit 1## m#2 Oberflaeche je m#2 Stirnflaeche.In terms of size, it is two to three square meters per mt2 of fabric. However, the pressure loss and thus the heat transfer figures depend from the wire thickness, with air from Im per sec speed and one wire thickness of # .1 mm the heat transfer number is approx. 1 ### W per m # 2K, i.e. the above product amounts to approx. 25 ## W per K per mt2 of fabric. This corresponds to a conventional ribbed fabric Heat exchanger with 1 ## m # 2 surface per m # 2 front surface.

Wegen der relativ grossen Empfindlichkeit gegen Verschmutzung kann es vorteilhaft sein, die Gewebeoberflaeche mit einer duennen schmutzabweisenden Oberflaeche, zB. Teflon, zu versehen.Because of its relatively high sensitivity to pollution, It can be advantageous to coat the fabric surface with a thin dirt-repellent Surface, e.g. Teflon, too.

Erzielbare Vorteile: Neben optimaler Materialausnutzung und moeglichen guenstigem Preis-Leistungsverhaeltnisses gestattet diese Waermetauscherbauart bei gegebener Stirnflaeche und Druckverlust wesentlich groessere Leistung als herkoemmliche Waermetauscher, wenn man die Gewebe faltet. Dies wird durch die geringe Bautiefe ( < 5 mm ) ermoeglicht.Achievable advantages: In addition to optimal material utilization and possible This heat exchanger design allows for a favorable price-performance ratio Given the frontal area and pressure loss, much greater performance than conventional ones Heat exchanger when you fold the fabrics. This is due to the low profile (<5 mm) possible.

Claims (4)

Patentansprueche 1. Waermetauscher, dadurch gekennzeichnet, dass die Waermeuebertragung auf einer Mediumseite an einem Drahtgewebe stattfindet.Claims 1. Heat exchanger, characterized in that the Heat transfer takes place on a medium side on a wire mesh. 2. Waermetauscher nach Anspruch 1, dadurch gekennzeichnet, dass in einer Webrichtung des Gewebes Draehte unterschiedlicher Staerke verwendet werden.2. Heat exchanger according to claim 1, characterized in that in a weaving direction of the fabric, wires of different strengths can be used. 3. Waermetauscher nach Anspruch 2, dadurch gekennzeichnet, dass in einer zweiten Webrichtung Roehrohen mit eingewebt sind.3. Heat exchanger according to claim 2, characterized in that in a second weaving direction Roehrohen are also woven in. 4. Waermetauscher nach Anspruch 1, dadurch gekennzeichnet, dass die Oberflaeche des Drahtgewebes mit einer Schutzschicht versehen ist.4. Heat exchanger according to claim 1, characterized in that the Surface of the wire mesh is provided with a protective layer.
DE19813124379 1981-06-22 1981-06-22 Heat exchanger with a small overall volume and weight Withdrawn DE3124379A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813124379 DE3124379A1 (en) 1981-06-22 1981-06-22 Heat exchanger with a small overall volume and weight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813124379 DE3124379A1 (en) 1981-06-22 1981-06-22 Heat exchanger with a small overall volume and weight

Publications (1)

Publication Number Publication Date
DE3124379A1 true DE3124379A1 (en) 1983-02-03

Family

ID=6135063

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813124379 Withdrawn DE3124379A1 (en) 1981-06-22 1981-06-22 Heat exchanger with a small overall volume and weight

Country Status (1)

Country Link
DE (1) DE3124379A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445211A1 (en) * 1988-11-23 1991-09-11 Curator Of The Univerity Of Mi Slush ice making system and methods.
GB2262334A (en) * 1991-12-14 1993-06-16 Glynwed Plastics Encapsulated mesh heat exchange element
US5402650A (en) * 1994-05-03 1995-04-04 The Curators Of The University Of Missouri Thermal storage composition for low energy ice harvesting, method of using same
DE102014208955A1 (en) 2014-05-12 2015-11-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Heat transfer device and its use

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445211A1 (en) * 1988-11-23 1991-09-11 Curator Of The Univerity Of Mi Slush ice making system and methods.
EP0445211A4 (en) * 1988-11-23 1992-05-20 Curator Of The Univerity Of Missouri Slush ice making system and methods
GB2262334A (en) * 1991-12-14 1993-06-16 Glynwed Plastics Encapsulated mesh heat exchange element
WO1994029660A1 (en) * 1991-12-14 1994-12-22 Glynwed Plastics Limited Panel for regenerative heat-exchangers
GB2262334B (en) * 1991-12-14 1996-03-13 Glynwed Plastics Heat exchange panel or element adapted for use in a regenerative or recuperative type heat exchanger
US5402650A (en) * 1994-05-03 1995-04-04 The Curators Of The University Of Missouri Thermal storage composition for low energy ice harvesting, method of using same
DE102014208955A1 (en) 2014-05-12 2015-11-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Heat transfer device and its use
US10605543B2 (en) 2014-05-12 2020-03-31 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Heat transfer device having channels

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Legal Events

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8139 Disposal/non-payment of the annual fee