Consider a volumetric flow rate measuring system based on the orifice plate, differential pressure transducer and square root extractor, presented in Fig. 7.22. For the flow rate spanning from 0 to 10 m3/h, the differential pressure domain of the orifice plate ranges from 0 to 3200 mm H2O. The relationship between the flow rate and the differential pressure is F = 0.18 (Δp)1/2. The root extractor equation is
Compute the static gain of the flow rate measuring system (orifice plate, differential pressure transducer and square root extractor) for the particular flow rate of F∗ = 5 m3/h.
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