Urgent help: Temperature and pressure compensation for overheated steam flow measurement
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In the measurement of superheated steam flow, what is the simple relationship between temperature, pressure, and steam flow? Is the steam flow rate measured using only an orifice plate and a differential pressure transducer larger or smaller than the flow rate after temperature and pressure compensation? I am eagerly awaiting your responses. This post was last edited by frankqe on 2008-1-29 21:47.]
The simple relationship between temperature, pressure, and steam flow rate is given by the ideal gas law, but it results in large errors. When using only an orifice plate along with differential pressure measurement, is the steam flow rate higher or lower than that obtained after temperature and pressure compensation? It depends on the design pressure of the orifice plate as well as the deviations in pressure and temperature under the operating conditions. When the operating pressure is greater than the design pressure, and when the operating temperature