KMID : 0895419990090020123
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Journal of Korean Society of Occupational and Enviromental Hygiene 1999 Volume.9 No. 2 p.123 ~ p.134
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Survey on Operation and Maintenance of Hot - wire Anemometers
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Abstract
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Hot-wire anemometers are most commonly used in measuring hood capture velocities due to their accuracy and convenience. But it was questionable whether they have an appropriate accuracy and they are well maintained. To answer these questions, a series of survey and the performance test were performed. The average error turns out to be 16.93%. Many of them were out of order due to bad maintenance. They were not frequently calibrated even though the users of anemometers think the periodic calibration is necessary for maintaining the accuracy of anemometers. A possible efficient maintenance program was thus discussed.
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