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首页> 外文会议>International Conference on Mechanical, Industrial, and Manufacturing Technologies >Study of Heat Losses from Cylindrical Cavity Receiver of Solar Concentrator
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Study of Heat Losses from Cylindrical Cavity Receiver of Solar Concentrator

机译：太阳能集中器圆柱腔接收机热损失研究

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摘要

In this paper heat losses from cavity receiver of solar concentrators are presented. Convective and radiative losses for specified cavity receiver are estimated by MATLAB programming and effect of the various parameters is studied. Radiation losses are analyzed for operating temperature in range of 127°C to 527°C and aspect ratio of 0.5 to 2.5. Convective losses are investigated for operating temperature in range of 127°C to 527°C, inclination angle from 0 to 90o, aspect ratio of 0.5 to 2.5 and wind effect for 0 to 10 m/s. Radiation losses and convective losses increases as operating temperature of cavity receiver increases. The convective losses are more for sidewise facing cavity (0° inclination) and less for downward facing cavity (90° inclination). As aspect ratio and wind velocity increases, convective loss increases.
机译：在本文中，介绍了太阳能集中器腔接收器的热损失。通过MATLAB编程估计指定腔接收器的对流和辐射损耗，并研究了各种参数的效果。分析辐射损失在127℃至527℃范围内的工作温度，纵横比为0.5至2.5。对127℃至527℃的工作温度进行对流损失，从0到90O的倾斜角度，纵横比为0.5至2.5，风效应为0至10m / s。随着空腔接收器的工作温度增加，辐射损失和对流损失增加。对流损耗更多地面向侧面腔（0°倾斜），并且向下的面对腔（90°倾斜度）较少。随着纵横比和风速增加，对流损耗增加。

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