Abstract
Abstract It is known that when choosing water as a substitution of liquid hydrogen and liquid oxygen for cavitation investigations, the influence of thermodynamic effect should not be ignored. However, due to the lack of systematic experiments, most existing simulating studies use the average dynamic characteristics obtained earlier in 1970s for simulation validation, which may not be effectively accurate. In this paper, the unsteady experimental observations of cavitating flow on flat plate hydrofoil are presented in detail with the help of the advanced water tunnel in Tsinghua University, which is conducted in 2020s. Then the effectiveness of the numerical method considering the influence of thermodynamic effect is further verified with these dynamic observations. Results show that the method is effective and reliable, capturing the main features of the cavitating flow. And it can be used to simulate the cavitating flow considering the influence of thermal effect in the future.
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