121 少数の音響センサで実現する反射音利用の空間温度分布測定

概要

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In this study, we describe a method for the temperature distribution measurement of reflected sounds utilization using a small number of acoustic sensors. The sensors are only two loud speakers and two microphones installed on two wall surfaces. The sensors were decreased in number by utilizing of the reflected sounds from wall surfaces. The temperature distribution was vertically estimated by five rectangular areas because a real space has a vertical temperature gradient. The area has been divided small in the part which is near for ceiling and floor with the body heat storage effect. The experiment was performed in a space which has a significant temperature distribution with heated air. The temperature distribution measured by this method was similar to the distribution measured by thermocouples.
一般社団法人日本機械学会の論文
2003-06-04