油膜流场可视化的实时性研究

为了建立虚拟轴承流场分析系统，提出基于粒子纹理映射的流场可视化方法．该方法能够充分利用现有的图形硬件加速器，具有绘制速度快、图像对比度高、粒子衰减过程易于控制、与流体实验现象一致等特点．文中的研究成果对于更深入地研究轴承运行过程中油膜的动态变化和传热机理具有十分重要的理论和实践意义。

Investigation of Real Time Issue in Visualization of Velocity Field in Oil Film

In order to create a virtual flow analysis system for thrust bearings, a new method of particle texture mapping(PTM) for flow field visualization was presented. By utilizing the common graphical accelerator, PTM has achieved high speed, good image contrast, easy to control its particle decay process and matching the experimental results fairly well. The study is helpful to reveal the mechanism of evolution and thermo-exchange of oil films.