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首页> 外文会议>International Conference on Fluid Power Transmission and Control(ICFP' 2005); 20050405-08; Hangzhou(CN) >Thermal Analysis in Axial Piston Machines Using CASPAR (Simulation Tool for Performance Prediction and Design Optimization)
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Thermal Analysis in Axial Piston Machines Using CASPAR (Simulation Tool for Performance Prediction and Design Optimization)

机译：使用CASPAR（用于性能预测和设计优化的仿真工具）对轴向活塞机进行热分析

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摘要

When designing or optimizing an axial piston pump or motor usually the design engineer must consider many different and often conflicting objectives. Different physical phenomena taking place inside the pump influence each other in various and strong non-linear matter, which explains the complex nature of effects to be considered within an optimization process. In this paper, especially the thermal analysis in axial piston machines using an extended version of the simulation tool CASPAR will be described in detail. The temperature distribution on the surface of sealing and bearing gaps serves as a very important boundary condition for the unsteady non-isothermal flow simulation model. The temperature distribution in the gap and on the gap surfaces is influenced by the energy dissipation in the gap due to viscous friction and by the heat conduction through the metal parts and the heat convection of the fluid. For the thermal analysis of the rotating group the non-isothermal flow model implemented in the CASPAR (Wieczorek and Ivantysynova 2002) is a coupled with a 3D heat conduction model of solid machine parts. In this paper the temperature distribution on the valve plate and cylinder block will be investigated. Simulation result will be compared with measurement results made on a modified standard machine.
机译：在设计或优化轴向柱塞泵或电动机时，设计工程师通常必须考虑许多不同且经常相互冲突的目标。泵内部发生的不同物理现象会在各种强烈的非线性问题中相互影响，这说明了在优化过程中要考虑的各种影响的复杂性。在本文中，将特别介绍使用扩展版的CASPAR仿真工具对轴向活塞机进行的热分析。密封和轴承间隙表面的温度分布是非稳态非等温流动模拟模型的一个非常重要的边界条件。间隙中和间隙表面上的温度分布受因粘性摩擦而产生的间隙中的能量耗散以及通过金属部件的热传导和流体的热对流的影响。为了对旋转组进行热分析，在CASPAR中实施的非等温流动模型（Wieczorek和Ivantysynova 2002）与固体机械零件的3D导热模型耦合。本文将研究阀板和气缸体上的温度分布。仿真结果将与修改后的标准机上获得的测量结果进行比较。

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