توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقاله‌های نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده می‌شوند.
۱Nusselt number for three isothermal cylinders beneatlan adiabativ wall at nearly zero rayleigh number
نویسنده(ها): ، ،
اطلاعات انتشار: هفدهمین کنفرانس سالانه مهندسی مکانیک، سال
تعداد صفحات: ۵
Calculation of natural convection heat transfer from isothermal bodies at very small values of rayleigh number (Ra) is of great importance in different fields of science and engineering . In the present study three isothermal cylinders beneath an adiabatic wall is considered at nearly zero Ra.<\div>

۲Fluid flow around two inline blocks of different height in laminar boundary layers
نویسنده(ها): ، ،
اطلاعات انتشار: هفدهمین کنفرانس سالانه مهندسی مکانیک، سال
تعداد صفحات: ۷
The problem of fluid flow around multiple surface mounted bodies is of great signigicance in different fields of engineering.<\div>

۳An experimental and numerical investigation of air flow over a wall mounted hemisphere inside a channel
نویسنده(ها): ،
اطلاعات انتشار: هفدهمین کنفرانس سالانه مهندسی مکانیک، سال
تعداد صفحات: ۶
The flow field around a surface–mounted hemisphere in thin boundary layer is investigated experimentally and unmerically flow measurments are performed using hot wire anemometer and streamwise component of velocity fluctuation is calculated using flow –ware program.<\div>

۴Numerical investigation of a microchannel heat exchanger with different cross sections in transition flow regime
نویسنده(ها): ، ،
اطلاعات انتشار: اولین کنفرانس انتقال حرارت و جرم ایران، سال
تعداد صفحات: ۶
There are various geometries that can be used in making a microchannel heat exchanger (MCHE). Such geometries have remarkable consequences on the thermal and hydrodynamic performance of the MCHE. In this paper, the effects of channel size and geometry on the performance of a counter flow microchannel heat exchangers (CFMCHE) are investigated numerically. The flow regime is considered 3D developing flow in transitional regime. Various channels with different cross sectional shape are investigated for the same overall volume of the MCHE in transitional flow regimes. Typical results are also compared with available studies for specific geometries in the laminar flow regime. Using validated numerical simulation, MCHE heat transfer performance and pressure drop for each geometry is determined and discussed. Results show that increasing the number of channels results in increasing both the effectiveness and the pressure drop. Comparison of the results also illustrate that the microchannel with circular cross section seems to have the best overall thermal and hydraulic performance among the studied geometries<\div>
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