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Conditions for Incipient Windshield Fogging and Anti-Fog Strategy for Automatic Climate Control
Technical Paper
2001-01-0583
ISSN: 0148-7191, e-ISSN: 2688-3627
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Sector:
Event:
SAE 2001 World Congress
Language:
English
Abstract
This paper describes a strategy, suitable for use in a climate control ATC (Automatic Temperature Controller) for predicting the onset or existence of fog (or misting) conditions and automatically taking action to avoid or reduce such conditions. Two variables currently measured by the ATC, cabin air temperature and ambient (outside) temperature are combined with cabin air relative humidity information provided by an additional sensor to allow the calculation of a degree of likelihood of windshield/window fogging. As fogging conditions are approached, a staged alteration of climate control strategy can relieve or even avoid altogether windshield fogging.
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Citation
Davis, L., Dage, G., and Hoeschele, J., "Conditions for Incipient Windshield Fogging and Anti-Fog Strategy for Automatic Climate Control," SAE Technical Paper 2001-01-0583, 2001, https://doi.org/10.4271/2001-01-0583.Also In
SAE 2001 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V110-6; Published: 2002-09-15
Number: V110-6; Published: 2002-09-15
References
- “Interior Window Fogging - An Analysis of the Parameters Involved” Peters A. R. SAE Paper 720503 May 22-26 1972
- “Automotive Windscreen Demisting, An Initial Study” Passmore M. A. Cole J. Loughborough University UK June 1998
- “Windshield Fogging in the 1994 Mondeo” Jensen T. E. Richert J. F. O. Ford Technical Memorandum SRM-95-018 Nov. 16 1995