| 摘要 |
A cavitation method of determining contraction coefficientsand liquid jet velocityat discharge through openings and nozzles, at which the actual rate is measured in cavitation-free and cavitation modes of discharge, and theoretical flow rate is determined according to Torricelli's formula, then on the basis of the ratio of actual flow rate to theoretical flow rate the flow rate coefficientsin cavitation-free mode andin cavitation mode of discharge are determined, then the contraction coefficientis determined by following formulaand the velocity coefficientis determined by formula. |
