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1引言几乎所有的热导式流量仪表都是源于一个基本方法即通过一个加热的传感器在流动的介质中的冷却效应进行流量检测的。下式是这种热散式理论的方程式:ρV=K(Q/ΔT)~(1.87)其中:ρ:流体密度;V:流体流速;K:校正系数;Q:热流动速度;ΔT:温差。
1 INTRODUCTION Almost all thermal conductivity flowmeters originate from a basic method of flow detection through the cooling effect of a heated sensor in a flowing medium. ΡV = K (Q / ΔT) ~ (1.87) where: ρ: fluid density; V: fluid flow rate; K: correction factor; Q: thermal flow rate; ΔT: temperature difference .