Numerical and Experimental ......(1)

上一篇 / 下一篇 2006-09-08 21:46:52 / 天气: 晴朗 / 心情: 高兴 / 个人分类：毕业论文

Numerical and Experimental Investigation of Building-Integrated Photovoltaic-Thermal Systems绿色建筑博客#hvfbwNLbk

ABSTRACT

Numerical and Experimental Investigation of Building-Integrated Photovoltaic-Thermal Systems绿色建筑博客9yLxk)vGl }
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Liang Liao

This thesis presents a numerical and experimental study of a building-integrated photovoltaicthermal (BIPV/T) system in Concordia University, which generates both electricity and thermal energy. A 2-D computational fluid dynamics (CFD) model is developed to study the air dynamics and thermal behavior inside the BIPV thermal system and develop relationships for convective heat transfer coefficients. A 2-D k-ε turbulent model is used in the FLUENT program to simulate the turbulent flow and convective heat transfer in the cavity, in addition to the buoyancy effect. Longwave radiation between boundary surfaces is also modeled. Experimental measurements taken in a full scale outdoor test facility at Concordia University are in good agreement with the 2-D CFD model.绿色建筑博客-g/T;PV0h3j

Velocity and temperature profiles for various average air velocities are predicted and compared with experimental data. Particle Image Velocimetry (PIV) is employed to investigate the velocity profile. Average and local convective heat transfer coefficients are generated for the system. Dimensionless correlations of local Nusselt number as a function of Reynolds number and dimensionless channel height are also generated. These heat transfer coefficients are utilized in simpler models to facilitate the design of BIPV/T systems. PV and the insulation local and average temperatures are predicted and then compared with the experimental data for different conditions and good agreement is obtained.

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