Summary
CFD simulations in ANSYS Fluent of laminar natural convection at a Rayleigh number of 10^5 in a solar-chimney or Trombe-wall channel, with one wall adiabatic and the other held at constant temperature. The wall spacing is varied to find the optimum gap that gives the most heat transfer, measured by the average Nusselt number, for ventilating and cooling rooms in summer.
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