Abstract
Turbulence and mean e ow measurements were acquired downstream of a normal, supersonic (Mach 1.6), twodimensional, slot injection into Mach 2.9 e ow (Re/m=16 £ 10 6).An adiabatic (Tti/Tt1 =1.0)and two nonadiabatic injection cases (Tti/Tt1 =1.11andTti/Tt1 =0.93)werestudied.Multiple-overheatcross-e lmanemometryandconventional mean e ow probes, as well as instantaneous schlieren photography, were utilized to study the turbulent mixing layer. The mean e ow data included the pitot, cone-static, and Mach number proe les. The measured turbulence data included Reynolds shear stresses and turbulence intensities (mass e ux and total temperature ). The e ow visualizations highlighted the physical phenomena of the e ow as well as the associated turbulent structure that existed in the mixing layer. The injection and wall temperature were found to have a strong ine uence on the near wall (the bottom-half of the mixing layer relative to the wall ) mean and statistical turbulent e ow properties.
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