On the determination of the jet pump cavitation characteristics

The paper defined cavitation characteristics of jet pumps operating on liquids on thermophysical characteristics are not reaching the saturation line. An analytical dependence is obtained for the limiting ejection coefficient $u_*$ on the number of cavitation $\sigma$ in its classical definition. A comparison is made for the experimental values of the limiting ejection coefficient $u_*$ with the calculated dependence of $u_*(\sigma)$. The possibility is shown for determining the number of cavitation $\sigma$, which corresponds to a threshold mode of the jet pump in the sense of parameter of pressure input data in the supply lines.