根据能量耗散率与剪切率的关系，采用体积平均能量耗散率计算环空管流的平均剪切率，以此来评价环空管流的剪切作用。
According to the relationship between energy dissipation rate and shear rate, average shear rate to evaluate the shear action for annular pipe flow is obtained by using energy dissipation rate.
对于静态、绝热吸积流，比能量E、比角动量L和质量吸积率M都是空间的常量。
For a stationary, adiabatic flow the specific energy E, specific angular momentum L and mass accretion rate M are constant in space.
为激光焊机研制的恒流充电、高能量、长脉冲输出脉冲激光电源，运转数年，表明这种电源安全、可靠、省电、故障率低。
The Laser supply that is charged by constant electric current . has high energy and long pulse width was developed for laser welder. It has been used for several years.
模型是建立在压力能量消耗率最小的原理上的，其基本原理是：在气-液两相流的流型中，环状流具有相当稳定的流动状态。
Its basic principle is that there is a quite steady flow state of annular flow in the flow pattern of gas-liquid two-phase flow.
能量流与pt100的选择率测量。
能量流与pt100的选择率测量。
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