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首页> 外文会议>World Engineers' Convention 2004 vol F-A: Resources and Energy; 20041102-06; Shanghai(CN) >Estimating Solar Ahsorptance of an Open Water Pond
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Estimating Solar Ahsorptance of an Open Water Pond

机译：估计一个开放水域的太阳吸收率

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摘要

In this paper, a simple mathematical procedure for estimating the solar absorptance of an open water pond is presented based on the fact that the solar radiation trapped inside the pond undergoes multiplicative reflection and absorption, and on that the solar absorption of water is related to the spectral wavelength. Analysis indicates that an accurate estimation of solar absorptance of a water pond must accurately know the solar spectrums of both beam and diffuse radiation on the ground level which are impossible to be available in any place of the world. Results by numerical calculations also show that, for a given horizontal radiation, the pattern of solar spectrum chosen for the calculations has considerable influences on both beam and diffuse solar absorptance, but has negligible effects on the solar heat gain of a water pond.
机译：本文基于捕获在池塘内部的太阳辐射经历了倍增反射和吸收，水的太阳吸收与水的吸收有关的事实，提出了一个简单的数学程序来估算开放水池塘的太阳吸收率。光谱波长。分析表明，对水池日光吸收率的准确估算必须准确知道地面上的光束和漫射辐射的太阳光谱，这在世界任何地方都是不可能的。数值计算的结果还表明，对于给定的水平辐射，计算中选择的太阳光谱模式对光束和漫射太阳吸收率都有相当大的影响，但是对水池的太阳热量吸收的影响可以忽略不计。

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