The initial laminar thermal boundary-layer flow past an impulsively started translating and spinning rotational symmetric body of uniform temperature is investigated. Velocity components and temperature are expanded in series in powers of time. Leading and first-order functions are obtained analytically, second and third-order functions are determined numerically. Application of the general results to a sphere shows that the surface heat flux is reduced in the neighborhood of the point of separation and enhanced by the reversed flow inside the separated region.

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