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首页> 外文会议>ASME summer heat transfer conference;HT2009 >SEMI ANALYTICAL PREDICTION OF AUTOMOBILE BODY TEMPERATURE DISTRIBUTION IN THE TOP COAT PAINT OVEN
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SEMI ANALYTICAL PREDICTION OF AUTOMOBILE BODY TEMPERATURE DISTRIBUTION IN THE TOP COAT PAINT OVEN

机译：顶层涂料炉中汽车车身温度分布的半解析预测

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摘要

Automotive industry frequently needs to test new products, according to different production parameters, in order to determine the actual thermal behavior of bodies before mass production is implemented. Numerical simulation of these processes can reduce the very expensive and time consuming experimental procedures. For the drying and hardening process of the top paint applied in the coating process, the body temperature must be raised according to the paint manufacturer regulations. Consequently, prediction of temperature distribution of the car body during various zones of ovens is very vital in the design and performance analysis of the paint dryers.In this research, a novel semi-analytical approach has been used to predict the body temperature variation during the curing process. Considering the energy balance for the body, a set of differential equation has been extracted, depending on the oven zone. These equations can be solved numerically to find the transient temperature profile of the car body. Some parameters in these equations have been achieved by experimental procedure. The results show that the present model predictions are in a good agreement with the experimental data. Therefore, the developed model has a reasonable accuracy and can be used as an efficient robust approach to distinguish overall thermal behavior of the body. These techniques can be used to optimize the design of curing paint oven.
机译：汽车工业经常需要根据不同的生产参数测试新产品，以便在批量生产之前确定车身的实际热行为。这些过程的数值模拟可以减少非常昂贵和耗时的实验程序。对于在涂覆过程中应用的面漆的干燥和硬化过程，必须根据油漆制造商的规定提高体温。因此，在烤漆机的设计和性能分析中，预测烤箱各个区域内的车身温度分布非常重要。 在这项研究中，一种新颖的半分析方法已被用于预测固化过程中的体温变化。考虑到人体的能量平衡，已根据烤箱区域提取了一组微分方程。这些方程可以通过数值求解，以找到车身的瞬态温度曲线。这些方程中的一些参数已通过实验程序获得。结果表明，目前的模型预测与实验数据吻合良好。因此，所开发的模型具有合理的准确性，可以用作区分车身整体热行为的有效鲁棒方法。这些技术可用于优化固化烤漆炉的设计。

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