温度勾配を有する流体温度場における温度センサの熱伝導誤差の理論解析と実験的検証

概要

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In temperature measurement of fluid flows, heat conduction along the temperature sensor body and its support may cause large measurement errors. In the present study, a novel theoretical scheme for estimating the heat-conduction error has been proposed to obtain accurate temperature measurements in flow fields with mean-temperature gradients. The validity of the scheme has been verified experimentally to appraise the reliability and applicability of the present physical model for analyzing the heat-conduction error. The results show that the proposed scheme enables us to evaluate accurately the heat-conduction error in temperature measurement and provides not only a useful guideline for selecting appropriate temperature sensors but also a reliable method for compensating for the heat-conduction error in fluid-temperature measurement.
社団法人日本伝熱学会の論文