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Research on Thermal Environment Characteristics of One Photovoltaic Facade in Shenzhen

Author: BiYeLiang
Tutor: ZhangHuaLing
School: Chongqing University
Course: Heating,Gas Supply, Ventilation and Air Conditioning Engineering
Keywords: Photovoltaic Facades Power System Thermal Environment Energy conservation Ventilation and heat dissipation
CLC: TU111.4
Type: Master's thesis
Year: 2010
Downloads: 148
Quote: 1
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Abstract


Nowadays the high efficient, low consume, and low pollution economic has becoming to be the hot pot all over the world. Europe and Japan is searching for high efficient and low consume fuel, especially for renewable energy. However, the application of solar energy on building is one of the effective approaches to reduce the consuming of fossil fuel. This active utilization of solar energy can bring green power, decorate the elevation of building and reduce the cooling load of building in summer. But BIPV system has flaw such as its high cost, low power generation and its influencing to thermal environment of building. The result can make suggestions to the design and construction of Photovoltaic fa?ade.Depends on the research subject call“Utilization of renewable energy”of SZIBR, we take whose office building as testing bed. The test was most about the thermal and power generation attribute of this distinctive pattern of Photovoltaic fa?ade with several air intakes and amorphous silicon unit.The test was taken on normal operation of Photovoltaic fa?ade power system. The influencing of environment to PV unit, power generation and air channel was gotten form the test. At the same time the influencing of BIPV to local environ and indoor environment was described.Base on the test bed, a physical model was set up for the calculation of ventilation ability of air channel. The computation program was drew up from C+, and it was verified at the weather conditions of 2009.8.20. The analysis was taken on the influencing of radiation, environment temperature, width of air intake, width of air channel and light transmittance to the ventilation ability of air channel.Calculation program is applied to analysis the significance of geometric parameters in Photovoltaic fa?ade by orthogonal test. The proposal type of Photovoltaic face air channel is: height 33 m, width 2 m, air inlet 0.35 m and light transmittance 10%. The calculation program is also used in calculate ventilation and heat dissipation both actual project and proposal project all the year. The result shows that, the proposal type can improve the ventilation and heat dissipation, the thermal environment and decline the cooling load of building.

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CLC: > Industrial Technology > Building Science > Building the basic sciences > Building physics > Building Pyrology > Building envelope thermal technology
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