Measurement of Heat Transfer to Furnace-Walls Using a Thermoelectric Heat-Flow Meter

概要

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A new type heat-flow meter was devised. Its detecting element is a metal disc both surfaces of which are covered with thin plates of another sort of metal. The both metals compose a thermocouple and from the e. m. f. of the couple the heat-flow rate of the disc is obtained. Some meters for practical use based on this principle were produced. After the calibration using an electric furnace, the flux of heat at the furnace-walls of a pulverizedfuel-fired furnace is measured with them. Using this type of heat-flow meter, heat-flow rate over 10000kcal/m^2hr can be measured successfully. The accuracy of the meter is within 1000 kcal/m^2hr and the time constant of the delay of indication is under 10 sec.
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