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    • 11. 发明专利
    • Measuring method
    • 测量方法
    • JPS57127811A
    • 1982-08-09
    • JP1362981
    • 1981-01-30
    • Daido Steel Co Ltd
    • SUDA TAKESHI
    • G01F1/704
    • G01F1/7044
    • PURPOSE:To correctly measure the flow rate of hot gas by a method wherein temperature of the hot gas before and after reaching a meeting point with dilution gas and t emperature and a flow rate of the dilution gas are measured, and then a flow rate of the hot gas after passing the meeting point is determined based on the given equation. CONSTITUTION:A supply tube A through which low temperature or dilution gas passes is connected with a gas supply path H through which high temperature gas passes. Thermometers H' and I' are provided in the gas supply path on the upstream and downstream sides of a meeting point of both gases, respectively, while a thermometer A1 and a flow rate meter A2 are provided in the supply tube A. Now assuming that temperature and specific heat of the hot gas in the gas supply path before reaching the meeting point are TH and CH, temperature, specific heat and flow rate of the hot gas in the gas supply path after passing the meeting point are T1, C1 and V1, and temperature, specific heat and flow rate of the gas flowing through the supply tube A are TA, CA and VA, respectively, the flow rate V1 is given by the equation based on the airflow balance and thermal value balance. Thus, the flow rate of the hot gas in the gas supply path after passing the meeting point can be determined just by providing the thermometers H', I' and A1 and the flow rate meter A2.
    • 目的:通过以下方法正确测量热气的流量:其中测量在稀释气体和温度达到满足点之前和之后的热气温度和稀释气体的流量,然后测量流速 根据给定方程确定通过会合点后的热气。 构成:低温或稀释气体通过的供给管A与高温气体通过的气体供给路径H连接。 温度计H'和I'分别设置在两个气体的汇合点的上游侧和下游侧的气体供给路径中,而在供给管A中设置有温度计A1和流量计A2。现在假设 在达到接合点之前的供气路径中的热气的温度和比热是TH和CH,通过会合点后气体供应路径中的热气体的温度,比热和流量是T1,C1和V1 ,流经供应管A的气体的温度,比热和流量分别为TA,CA和VA,流量V1由气流平衡和热值平衡等式给出。 因此,可以通过设置温度计H',I'和A1以及流量计A2来确定在通过接合点之后的气体供给路径中的热气体的流量。