There are many advantages of using CMF as WGM. The most important ones are that the relationship between the true mass flowrate and CMF readings is almost linear, and CMF can follow the variation of liquid flowrate linearly when the gas flowrate is kept at a constant. For the use of CMF as WGM in a wide range of measurements in gas industries, the horizontal installation is recommended. Although when gas flowrate is big enough and liquid flowrate is low, the installations of CMF as WGM have no difference. In conclusion we point out that the perfect repeatability, high accuracy and linear relationship features make it ideal for CMF to be used as WGM in gas flowrate measurement in natural gas industries.
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