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Usage and risk of hydrocarbon refrigerants in motor cars for Australia and the United States.

Author(s) : MACLAINE-CROSS I. L.

Type of article: Article, IJR article

Summary

Commercial replacement of fluorocarbons in mobile air-conditioning systems (MACS) with typically HC-290/600a[60/40] and minimal precautions began in Idaho in 1993. R290/600a has a low environmental impact but mixed with air is flammable and frequencies for fire, injury and cabin overpressure were predicted. No such accidents are known from 1993 to mid-2003. R290/600a suppliers consumption, representative MACS charges and charge termination frequency were used to predict yearly total MACS numbers. The measured US fire, injury and cabin overpressure frequencies are less than 3.2 x 10 -7 per car year with high probability. This fire frequency is a hundred times lower than predicted because most R290/600a leaks in MACS use are effectively non flammable.

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Pages: 339-345

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Details

  • Original title: Usage and risk of hydrocarbon refrigerants in motor cars for Australia and the United States.
  • Record ID : 2004-1588
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 27 - n. 4
  • Publication date: 2004/06

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