Abstract
Cavitation bubble collapse has a great influence on the temperature of hydraulic oil. Herein, cone-type throttle valve experiments are carried out to study the thermodynamic processes of cavitation. First, the processes of growth and collapse are analysed, and the relationships between the hydraulic oil temperature and bubble growth and collapse are deduced. The effect of temperature is then considered on the hydraulic oil viscosity and saturated vapour pressure. Additionally, an improved form of the Rayleigh–Plesset equation is developed. The effect of cavitation on the hydraulic oil temperature is experimentally studied and the effects of cavitation bubble collapse in the hydraulic system are summarised. Using the cone-type throttle valve as an example, a method to suppress cavitation is proposed.
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Foundation item: Projects(51505289, 51275123) supported by the National Natural Science Foundation of China
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Shen, W., Zhang, J., Sun, Y. et al. Effect of cavitation bubble collapse on hydraulic oil temperature. J. Cent. South Univ. 23, 1657–1668 (2016). https://doi.org/10.1007/s11771-016-3220-z
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DOI: https://doi.org/10.1007/s11771-016-3220-z