3D Numerical Study in a Solar Collector: Effect of Prandtl Number

机译：太阳能收集器中的3D数值研究：Prandtl号码的影响

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Flat-plate solar water heater is accounted in this study numerically. The 3D governing partial differential equations are solved using finite element method (FEM). In order to evaluate the temperature and velocity profiles inside the collector, the energy balance equation and Navier Stokes equation are solved. Results are shown interms of streamline pattern. Average Nusselt number at the riser pipe inner surface, mean bulk temperature, average velocity, mid-height temperature, mean output temperature and collector efficiency for water through the flat plate solar collector are presented as function of the Prandtl number. It is observed that increasing viscous force enhances heat transfer but decreases thermal efficiency.

机译：平板太阳能热水器在数值上占这项研究。使用有限元方法（FEM）来解决控制偏微分方程的3D。为了评估收集器内的温度和速度分布，解决了能量平衡方程和Navier Stokes方程。结果显示了流线模式的互联网。通过平板太阳能收集器的平均水管内表面，平均速度，平均速度，中间高温，平均输出温度和收集器效率的平均冲击数，平均输出温度和收集器效率。观察到，增加的粘性力增强了热传递，但降低了热效率。

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《IET International Conference on Clean Energy and Technology》|2017年|679p|共7页
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R. Nasrin; M. Hasanuzzaman; N. A. Rahim;
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中图分类 X382-53;
关键词
3D numerical study; Solar collector; Finite element method; Prandtl number;

机译：3D数值研究;太阳能收集器;有限元方法;普朗特数;

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3D Numerical Study in a Solar Collector: Effect of Prandtl Number

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