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Page d'accueil Archives Thermal Letter Responsables Réunions à venir Assembly for International Heat Transfer Conferences
International Heat Transfer Conference 15

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Development of All aluminum microchannel heat exchanger for air-conditioner

Hirokazu Fujino
DAIKIN INDUDTRIES,LTD.

Toshimitsu Kamada
Daikin Industries

Satoshi Inoue
Daikin Industries

DOI: 10.1615/IHTC15.acr.009534
pages 976-982


MOTS CLÉS: Air conditioning and refrigeration, Heat exchanger, Heat exchanger, Micro channel, Water drainage

Résumé

In order to improve the performance and to reduce the weight of air-conditioner, a new type all aluminum micro-channel heat exchanger is applied for heat pump system. The micro-channel heat exchanger has high performance compared with a conventional fin and tube type heat exchanger due to its characteristic configuration. However, there are some challenges, when the micro-channel heat exchanger is applied for heat pump system. One of the most difficult challenges is to improve the drainage of condensed water when it is used as an evaporator. To solve this problem, a new shape is proposed. In addition, the specifications of the heat exchanger, such as louver configurations and tube arrangement, are optimized for heat pump system. As a result, the micro-channel heat exchanger can reduce the weight about one third and the amount of containing refrigerant about one fourth compared with a conventional fin and tube type heat exchanger.

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