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Ice formation detection on road surfaces using infrared thermometry

Journal article
Authors M. Riehm
Torbjörn Gustavsson
Jörgen Bogren
P. E. Jansson
Published in Cold Regions Science and Technology
Volume 83-84
Pages 71-76
ISSN 0165-232X
Publication year 2012
Published at Department of Earth Sciences
Pages 71-76
Language en
Links dx.doi.org/10.1016/j.coldregions.20...
Keywords Ice formation, Road surface, Infrared thermometry, Winter road maintenance, deicing salt, weather
Subject categories Geology

Abstract

Ice formation on roads causes hazardous conditions due to reduction of road surface friction. Forecasting, detecting and preventing ice formation are therefore of high importance for winter road maintenance personnel. Advanced sensors for detecting road ice exist, but there is a demand for more cost-effective technologies. A method for detection of road surface ice formation based on remote temperature measurements with infrared thermometers is presented. Freezing events were detected based on the temperature dynamics that result from the exothermic reaction as water freezes. Experimental measurements in a climate chamber and in field conditions showed that ice formation often causes a distinct temperature pattern, which could easily be identified and distinguished from other temperature fluctuations. The method is promising as a cost-effective technique suitable for several applications in cold regions where detection of ice formation is important. (C) 2012 Elsevier B.V. All rights reserved.

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