finite elements;
solar collectors;
solar energy;
collector design;
D O I:
10.1016/S0168-874X(96)00067-4
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
An analysis based upon the two-dimensional finite element method is carried out to characterize the performance of solar collectors. The traditional one-dimensional models assume average temperature of the plate and the predictions from the one-dimensional models for collector efficiency yield higher values. The two-dimensional model yields predictions of the instantaneous collector performance without making assumptions of the average plate temperature. The two-dimensional model may be used to optimize the design of solar collectors.