Laminar near wake solutions under atmospheric entry conditions

Ohrenberger, J. T.; Baum, Eric

doi:10.2514/6.1972-116

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1974

1980

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Cited by 8 publications

(2 citation statements)

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“…Prandtl's modified (two-parameter) mixing length model is used to specify the eddy viscosity (6) Rudy and Bushnell 10 related the mixing length parameters // and / 2 to the characteristic wake width in the following manner:…”

Section: Formulationmentioning

confidence: 99%

See 1 more Smart Citation

Engineering Model for Re-entry Vehicle Turbulent Wakes

Lin

Fedele

Baker

et al. 1980

Journal of Spacecraft and Rockets

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An engineering model for the supersonic portion of the turbulent near wake behind a re-entry vehicle is presented. By treating only the supersonic regions, the saddle-point singularities present in the full formulation of the near-wake problem are avoided, and a system of equations is obtained which is solved in approximately one minute of CDC 7600 computer time using forward-marching numerics and incorporating a two-parameter mixing length model. The model is applied to decelerator performance, and the results agree favorably with wind-tunnel data. The model is also applied to near-wake electron density predictions, and the results are reasonable.

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Section: Formulationmentioning

confidence: 99%

“…In the second category, Ohrenberger and Baum 5 ' 6 have developed a steady-state modified boundary-layer-eigenvalue approach, and have obtained favorable comparisons with laminar experiments. 7 Their model divides the near wake into two regions that are interior and exterior to a "matching" streamline.…”

Section: Introductionmentioning

confidence: 98%