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We are using nozzle type DP transmitters in steam turbine for measuring the main steam flow. We are getting the Square root value of DP and we are having doing density compensation by taking both pressure & temperature with some calculations in DCS program. I have also come across main steam flow can be measured from turbine 1st stage pressure measurement. I just want to understand how the 1st stage pressure is used in measuring steam flow and implement in our process to compare the accuracy of DP type flow measurement.
Could you help me in sharing your knowledge about that
Could you help me in sharing your knowledge about that