Abstract
Multi-hole orifice (MHO) flow meters are very often used for measuring the flow in the industrial processes. But nevertheless, the contamination influence to the flow parameters for MHO flow meters has not been numerically analyzed so far. In this paper, the influence of the contamination thickness to the flow parameters for MHO orifice meters with characteristic \(\beta\) parameter will be analysed. The pressure drop, singular pressure loss coefficient and discharge coefficient will be analysed for different values of contamination thickness and compared to the results without contamination. The grid sensitivity study will be performed for flow meter without contamination so the presented results will be grid independent.
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