This work opinions fundamental features of each internally heated (IH) convection and Rayleigh-Bénard (RB) convection, alongside findings on IH convection from numerical simulations. Three configurations of IH convection driven by the aid of the boundary situations. The IH fashions are outstanding by differing pairs of thermal boundary conditions: top and bottom barriers of identical temperature, an insulating backside with heat flux constant at the top, and an insulating bottom with temperature constant at the top. Integral portions critical to warmth shipping are mentioned, inclusive of the mean fluid temperature, the mean temperature difference among the boundaries, and the suggest convective warmness delivery. Integral relations and bounds are presented, and further bounds are conjectured for the IH cases. The outcomes are derived mathematically from the governing equations. Known bounds are on mean temperatures in IH convection and on convective transport in RB convection. The paper also opinions numerical simulations on IH convection, emphasizing quantitative results.
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