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Numerical and Experimental ......(16)
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下一篇 2006-11-13 08:18:09 / 天气: 晴朗
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Numerical and Experimental Investigation of Building-Integrated Photovoltaic-Thermal Systems绿色建筑博客w#W
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LITERATURE REVIEW绿色建筑博客/ENau X$u6Y 2.9.1 Hot-wire Anemometer
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The basic theory for the hot-wire anemometry is to measure the convection heat flow from the ambient air flow to the hot wire. Since the conduction and radiation heat transfer is much smaller than the convection heat transfer, we can neglect them to generate the heat balance equation for an electrically heated wire: }(D l%w3F4V M0
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Heat Stored = Electrical Power in – Aerodynamic Heat Transfer out (Stainback and Nagabushana 1996)绿色建筑博客'K7IL,c!NW9B
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If the heat storage term is properly compensated, then the equation (1) becomes: GLS1m)J-[ w4?7r0
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For the TSI 1201, 1209 Model, they measure the bridge output voltage instead of current, and the equation becomes (TSI catalog): 绿色建筑博客8Y xmqa L
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