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发明公开
CN109654266A 一种基于多相流水击模型的泄压阀压力精度设定方法 失效 - 权利终止

一种基于多相流水击模型的泄压阀压力精度设定方法
摘要：
本发明公开了一种基于多相流水击模型的泄压阀压力精度设定方法，包括以下步骤：1)构建油气水三相流水击模型，再根据油气水三相流水击模型计算油气水三相流水击压强；2)建立泄压阀阀芯动力学模型，以构建油气水三相流水击压强与泄压阀中氮气压力及弹簧力的力学关系，然后根据油气水三相流水击压强与泄压阀中氮气压力及弹簧力的力学关系进行泄压阀的压力精度设定，完成基于多相流水击模型的泄压阀压力精度设定，该方法实现泄压阀的压力精度设定。
摘要（英）：

The invention discloses a pressure relief valve pressure precision setting method based on a multi-phase water hammer model. The method comprises the following steps that 1, an oil, gas and water three-phase water hammer model is constructed, and oil, gas and water three-phase water hammer pressure intensity is calculated according to the oil, gas and water three-phase water hammer model; 2, a pressure relief valve element dynamic model is set up, therefore the dynamic relation between the oil, gas and water three-phase water hammer pressure intensity and nitrogen pressure and spring force ina pressure relief valve is constructed, then pressure precision of the pressure relief valve is set according to the dynamic relation between the oil, gas and water three-phase water hammer pressure intensity and the nitrogen pressure and the spring force in the pressure relief valve, and pressure precision setting of the pressure relief valve based on the oil, gas and water three-phase water hammer model is completed. The method achieves pressure precision setting of the pressure relief valve.

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