One way Fluid Solid Interaction(FSI) of Unshrouded Centrifugal Compressor Impeller Blade TECHNOLOGY OF DC FREQUENCY CONVERSION SCROLL COMPRESSOR & OIL BALANCE 半开式离心压缩机叶轮叶片单向流固耦合分析直流变频涡旋压缩机技术及系统回油方式
The flow of compressible fluid in porous medium is a result of coupling of liquid flow and solid deformation. It is rather important to study the law of fluid solid interaction. 可压缩流体在多孔介质中的流动过程是流体流动和固体变形相互耦合作用的结果,研究多孔介质中流固耦合渗流规律对于完善流固耦合理论以及工程应用有着重要意义。
Based on the theory of fluid solid interaction mechanics, and taking into account the characteristics of porous mediums and the effects of transient heat load and heat flow, a mechanical model of uncontrolled surface of porous medium analysis is constructed. 根据流固耦合力学的基本理论,针对多孔介质的特点,考虑了瞬态热载荷的影响因素及热流因素,建立了进行多孔介质自由面分析的力学模型。
The mathematical model of multiphase flow in an elastoplastic deforming oil reservoir is developed based on the theory of fluid solid interaction mechanics, with the coupling effect of flow and deformation and the elastoplastic deforming characteristics of reservoir porous medium under the alternative loads considered in the model. 基于流固耦合力学理论,建立了弹塑性变形油藏中多相渗流的数学模型,该模型考虑了渗流与变形的耦合作用,以及注采交变载荷作用下油藏多孔介质的弹塑性变形特征;
Based on the structure and work environment of shear sensor, fluid solid interaction coupling and piezoelectric coupling are introduced to compute the property of shear sensor. The result is coMPared with experiment, which suggests the method is feasible. 2. 根据剪切流传感器结构特点和工作环境提出了采用流固耦合、压电耦合理论对传感器性能进行计算的方法,并将计算结果与已有实验数据进行比对,验证了该方法的可行性。