mass flow equation

In order to obtain the proper flow equation for rotameter,the problems in the theoretical derivation of conventional flow equation for roatmeter are discussed.

为获得正确的浮子流量计流量方程,对现有习用浮子流量计流量方程在理论推导过程中存在的问题进行讨论,针对习用流量方程中物理概念混淆、忽略浮子高度和选用非典型浮子模型的问题进行了修正,推导出新浮子流量计流量方程:Q=αAR2g特征曲线。

The crowd movement velocity equation under different densities and the equation of crowd capacity have been found from study on the relationship between personnel movement velocity and the forces among crowd.

从个体在疏散过程中的运动速度与周围人群之间的相互作用力之间的关系入手,建立了在不同密度条件下的人群运动速度方程和人流流量方程。