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2019-12-30View Original

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Dear sea friends, this is question 19 from the afternoon session of the 2018 Chemical Engineering case studies. How can we calculate the effective net positive suction head?

Reply #22019-12-30

NPSHa=(100000-2335)/9.81/998-2.5-2.6

Reply #32019-12-31

NPSHa = (Pa - Pv) / (998.2*9.81) - Hf; I know this formula, but what does the subtraction of 2.6 at the end mean? Could you explain it in detail?

Reply #42020-01-02

Determine whether the installation height is appropriate. The cavitation margin must be determined first in order to make a judgment

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