板式换热器的实验研究及性能评价

2009-4-16 13:53:36 3049

0 板式换热器的实验研究及性能评价本论文主要针对实验室换热器实验台的建立，设计出一套自动化程度高、测量准确、操作简单、适用范围广的换热器综合性能实验系统。并根据板式换热器实验做出的数据，进一步讨论了换热器传热特性和性能评价。通过实验分析，证明了本换热器实验台是可行的，可以用于教学、科研及性能检测。在实验台上对四平换热器厂生产的BR0.05板式换热器进行实验。通过等雷诺数法、威尔逊法、最小二乘法等实验处理方法对实验数据处理，得到换热器的传热特性及阻力特性准则方程式。本文中的程序均由matlab编制，并分析处理、拟合曲线，进而归纳出经验公式，并绘出规律曲线，可作为相似板式换热器的设计依据本文从热力学第一、二定律的角度出发引入几种评价换热器的方法。并进一步分析实验中测试的换热器的性能，提出所做实验板式换热器的改进方向。关键词：换热器实验系统传热特性阻力特性性能评价 Mainly according to the establishment of the heat exchanger in the laboratory, this paper designs a set of experiment system. This system has high automation level, measure is accurate, operate is simple and the broad suitable scope of heat exchanger of integral performance. T-he paper use the data, which is made according to board type heat exchanger, to discuss the property appraisement and property of heat exchanger of heat transfer further. Through experiment analysis, this experiment of the heat exchanger has been proved feasible and can be used in the test of teaching and actual application heat exchanger. The BR0.05 board type heat exchanger produced by the Siping factories of heat exchanger is tested in the laboratory. After experiment data is handled, we get the norm equation of resistance property and property of heat transfer of heat exchanger. The program in this paper is compiled by Matlab. The paper will join curve, sum up experience formula. We can design similar board type heat exchanger according to this paper In according with the first and second laws of thermodynamic, the paper introduces some methods of appraisement heat exchangers. Analysis the property of the heat exchanger. Account to how to improve the board type heat exchanger. Keyword: heat exchanger the experiment system property of heat exchanger of heat transfer resistance property property appraisement 0 本帖子中包含更多资源您需要登录才可以下载或查看，没有帐号？注册 x
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