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首页> 外文会议>European Automotive CFD(Computational Fluid Dynamics) Conference; 20050629-30; Frankfurt(DE) >A Case Study of Occupant Thermal Comfort in a Cabin Using Virtual Thermal Comfort Engineering
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A Case Study of Occupant Thermal Comfort in a Cabin Using Virtual Thermal Comfort Engineering

机译：基于虚拟热舒适工程的客舱乘员热舒适案例研究

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摘要

Simulation of cabin climatic conditions is becoming increasingly important as a complement to wind tunnel and field testing to help achieve improved thermal comfort while reducing vehicle development time and cost. Delphi developed the Virtual Thermal Comfort Engineering (VTCE) process to explore different climate control strategies as they relate to occupant thermal comfort in a quick and inexpensive manner. The comfort model has the ability to predict the local thermal comfort level of an occupant in a highly non-uniform thermal environment as a function of air temperature, surrounding surface temperatures, air velocity, humidity, direct solar flux, as well as the level of activity and clothing type of each individual. In the present study, we used test data to validate VTCE for a Sport Utility Vehicle (SUV) cabin environment and used VTCE to perform sensitivity studies of various vehicle cabin environments on the occupant thermal comfort, including discharge temperature, breath level temperature and air velocity, solar intensity and solar angles. The sensitivity of the occupant thermal comfort, in the present study, is based on an OEM's comfort scale for both summer and winter rides.
机译：作为对风洞和野外测试的补充，机舱气候条件的仿真变得越来越重要，以帮助实现改善的热舒适性，同时减少车辆的开发时间和成本。德尔福（Delphi）开发了虚拟热舒适工程（VTCE）流程，以快速，廉价的方式探索与乘员热舒适相关的不同气候控制策略。舒适度模型能够预测高度不均匀的热环境中乘员的局部热舒适度，该温度是空气温度，周围表面温度，空气速度，湿度，直接太阳通量以及空气水平的函数。每个人的活动和衣着类型。在本研究中，我们使用测试数据验证了多功能车（SUV）机舱环境的VTCE，并使用VTCE进行了各种车厢环境对乘员热舒适度的敏感性研究，包括排气温度，呼吸水平温度和空气速度，太阳强度和太阳角。在本研究中，乘员热舒适度的灵敏度基于OEM在夏季和冬季乘车时的舒适度等级。

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