3D numerical study in a solar collector: Effect of Prandtl number

机译：太阳能集热器中的3D数值研究：普朗特数的影响

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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：平板太阳能热水器是本研究中的数值研究。使用有限元方法（FEM）求解3D控制偏微分方程。为了评估集热器内部的温度和速度分布，求解了能量平衡方程和Navier Stokes方程。结果显示为流线型。立管内表面的平均Nusselt数，平均容积温度，平均速度，中间高度温度，平均输出温度和通过平板太阳能集热器的水的集热效率是Prandtl数的函数。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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来源
《4th IET Clean Energy and Technology Conference》|2016年|1-7|共7页
会议地点 Kuala Lumpur(MY)
作者
R. Nasrin; M. Hasanuzzaman; N. A. Rahim;
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作者单位

Department of Mathematics, Bangladesh University of Engineering Technology, Dhaka-1000, Bangladesh;

UM Power Energy Dedicated Advanced Centre (UMPEDAC), Level 4, Wisma RD, University of Malaya, 59990 Kuala Lumpur, Malaysia;

UM Power Energy Dedicated Advanced Centre (UMPEDAC), Level 4, Wisma RD, University of Malaya, 59990 Kuala Lumpur, Malaysia;

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Tin; Artificial intelligence; Mathematics; Electronic mail; Fluids; Solids;

机译：锡;人工智能;数学;电子邮件;流体;固体;;

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3D numerical study in a solar collector: Effect of Prandtl number

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