Simulation and Research of Thermal Gas and Liquid Mass flow Measurement Technique 一种热式气液流量测量技术的仿真与研究
A new resonant loop tube coriolis mass flow meter ( RLCMFM) is described It is based on the equality of natural frequencies of the drive mode and the coriolis mode, continuous signal process technique and frequency tracking. 给出了一种建立在驱动模态与科里奥利(coriolis)模态固有频率相等、连续信号处理技术和频率跟踪法基础上的谐振式环形管coriolis质量流量计。
On the basis of fluid mass rate equivalent in stead state flow, an up-scaling technique for analyzing data of fine reservoir description was proposed. 根据稳定渗流过程中质量流量的连续性特征,对精细油藏描述数据的粗化处理方法进行了研究。
Based on supersonic linearized theory, the flow field in the region near the side-edge of the ramp is calculated, and then a formula of mass flow ratio of side-spillage is derived by the use of the technique of mass flow integral. 本文采用超音速线化理论,算出斜板侧缘附近干扰区内的流场,并根据流量积分方法,导出了关于流量系数的侧向溢流公式。
The characteristics of mass and heat transfer of single liquid phase and gas-liquid two-phase flow in a vertical tube were studied with limiting diffusion current technique ( LDCT) and the theory of heat and mass transfer analogue. 用极限扩散电流技术(LDCT)对竖直管内的液体单相流与气液两相流的传质特性进行了测量,经三传类比由测量结果获得了传热特性。