利用热式传感器测量环状流湿气含率

发布时间：2018-04-11 11:11

  本文选题：湿气 + 湿气含率　； 参考：《天津大学学报(自然科学与工程技术版)》2016年11期

【摘要】：为实现湿气两相流的在线不分离含气率测量,探究了湿气两相流的传热特性,设计一种新型热式传感器,并在天津大学中压湿气装置上进行了实验.实验涵盖了0.3~1.2,MPa之间的6个压力点,气相弗劳德数范围为0.5~2.7,湿气含率的变化范围为96.5%,~100%,,共对215个点进行了传感器测量特性的实验研究,引入了无量纲传热系数h~+,并基于h~+建立了体积含气率的模型,该模型平均误差为0.39%,,均方根误差为0.59%,.
[Abstract]:In order to measure the gas content of wet two-phase flow without separation on line, the heat transfer characteristics of wet two-phase flow were investigated. A new type of heat sensor was designed, and the experiment was carried out on the medium-pressure wet gas device of Tianjin University.The experiment covers six pressure points between 0.3 and 1.2 MPA. The range of Froude number of gas phase is 0.5 ~ 2.7, and the variation range of moisture holdup is 96.50.The measurement characteristics of 215 points have been studied experimentally, and the dimensionless heat transfer coefficient (h~) has been introduced.The model of volumetric gas holdup is established based on H-, the average error of the model is 0.39 and the root mean square error is 0.59g.
【作者单位】： 天津大学电气与自动化工程学院;
【分类号】：TP212;TK31
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本文编号：1735761