A numerical study is carried out on convective heat transfer from an unconfined and stationary tandem of two spheroids to the surrounding flowing power law fluid of constant physical properties. Two modes of convection viz., forced convection and mixed convection are considered for the present study. The surface of both the spheroids is maintained at constant temperature. The focus of the investigation is to obtain the effect of pertinent variables (Reynolds number, Prandtl number, Richardson number, aspect ratio, power law index and space between two spheroids) on the average Nusselt number. Reynolds number is taken as 1, 25, 50 and 100. Prandtl number considered is 1 and 100. Chosen range is 0.5 to 2.0 for power law index. Spacings taken are 4a and 8a (here 2a is the length of spheroid in direction parallel to flow). The study is also repeated for the case of mixed convection where in Richardson number is taken as 0.5, 12, 1.5 and 2.0.
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