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管道截面的流速分布参数及其在涡街流量计标定中的应用
Authors
何龙德
Publication date
1 January 1995
Publisher
Abstract
本文讨论了标定实验对涡街流量计所在截面流速分布的要求、拟合公式的选用和数据处理,以及使用标定结果时所要注意的问题。提出了一种以测试手段和分析办法相结合的关于标定涡街流量计的新的技术途径,以缩短标定装置的轴向尺寸,降低标定费用。对于充分湍流的圆管流动,根据Nikuradse的实验结果,给出了截面平均流速与最大流速之比随雷诺数变化的简洁计算公式
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018