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عنوان البحث(Papers / Research Title)


Combined Convection In a TSNFL Square Cavity Under


الناشر \ المحرر \ الكاتب (Author / Editor / Publisher)

 
احمد كاظم حسين الحميري

Citation Information


احمد,كاظم,حسين,الحميري ,Combined Convection In a TSNFL Square Cavity Under , Time 09/12/2016 17:09:43 : كلية الهندسة

وصف الابستركت (Abstract)


paper

الوصف الكامل (Full Abstract)

Laminar combined convection air flow in a two-sided non-facing lid-driven (TSNFL)
square cavity has been investigated numerically using a finite element method. The upper and
lower walls are maintained at constant cold and hot temperatures respectively, while the left and
right side walls are considered adiabatic. Four groups are considered for the movements of the
TSNFL cavity walls and each group contains four different cases. All the non-facing cavity
walls are considered to move at a constant lid velocity. Simulation of the cavity flow has been
performed at three different Richardson numbers representing the natural convection, combined
convection, and forced convection. The effect of the Richardson number and the movements of
the TSNFL cavity walls on the heat transfer process are studied. The results are presented
graphically in the form of streamlines, isotherms and average Nusselt number. The results
indicated that the vortices grow with the direction of the movements of TSNFL cavity walls and
the average Nusselt number decreases when the Richardson number increases. The results are
compared with another published result and a good agreement are obtained.

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