Preliminary Investigation on Using IS Approved Real Time Dry Bulb and Relative Humidity Sensors in Underground Coalmines
M. Khanal1, R. McPhee1, B. Belle2,3,4, P. Brisbane4, B. Kathage4
1CSIRO Coal Mining Research Program, 1 Technology Court, Brisbane, Australia
2Anglo American, Brisbane, Australia
3Department of Mining Engineering, University of Pretoria, South Africa
4Australian Coal Association Research Program, Brisbane, Australia
Keywords: Угольная шахта, температура, влажность, режим реального времени, Underground coalmine, temperature, humidity, real time
Abstract
A review of various real time temperature devices available for use in underground coal mines in Queensland was conducted. To investigate the fit-for-purpose of the intrinsically safe (IS) instrument, laboratory experiments were performed. The obtained results were compared to the calibrated reference instrument readings and sling psychrometer data under variation in air flow velocity, moisture content and dust content.
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