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Leak flow rate of MAC systems and components 1 - Laboratory tests, fleet tests and correlation factor Fuites des systémes et composants de conditionnement d'air mobiles 1 - essais au laboratoire, tests sur les flottes de véhicules et facteur de corrélation

Abstract : According to the EU regulation 706/2007, the leak flow rate of a Mobile Air Conditioning (MAC) system must be tested based on a qualified method. The Center for Energy and Processes (CEP) has cooperated with ACEA (European Association of Car Manufacturers) in order to establish the test method. Laboratory tests have been undertaken on 40 MAC systems, more than 100 components, and field tests on 40 vehicles. In this paper the laboratory test protocol for leak flow rate measurements of HFC-134a concentration inside a test chamber using infrared techniques is presented. Leak flow rates in standstill and running modes have been studied. Comparing the laboratory tests and the fleet test results a correlation factor has been established to predict annual leak flow rates of MAC systems in real life conditions based on leak flow rates measured in laboratory.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00509400
Contributeur : Bibliothèque Mines Paristech <>
Soumis le : jeudi 12 août 2010 - 10:40:18
Dernière modification le : jeudi 24 septembre 2020 - 17:22:03

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Yingzhong Yu, Denis Clodic. Leak flow rate of MAC systems and components 1 - Laboratory tests, fleet tests and correlation factor Fuites des systémes et composants de conditionnement d'air mobiles 1 - essais au laboratoire, tests sur les flottes de véhicules et facteur de corrélation. International Journal of Refrigeration, Elsevier, 2010, 33 (7), pp.Pages 1465-1477. ⟨10.1016/j.ijrefrig.2010.05.017⟩. ⟨hal-00509400⟩

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