Hypersonic Lifting Body Boundary-Layer Analysis at High Angles of Incidence

Adams, J. C.; Martindale, W. R.

doi:10.2514/3.62162

Cited by 3 publications

(1 citation statement)

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“…The development below follows closely that for smooth surfaces referenced by Adams and Martindale [35]. Equations (50) and 51are written in the general form 3w w" + YjW 1 + Y 2 w + Y3 + Y 4 "^ = 0 (56)…”

Section: The Implicit Finite Difference Methodsmentioning

confidence: 99%

Generalized Roughness Effects on Turbulent Boundary Layer Heat Transfer. A Discrete Element Predictive Approach for Turbulent Flow Over Rough Surfaces

Coleman¹,

Hodge²,

Taylor³

1983

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UNCLASSIFIED tKCUNITV CLASSIFICATION Of TMIi »*0C fVlran Oaf« Kriar»« 20. ABSTRACT (CONCLUDED) equations which describe momentum and energy transport In turbulent flows. The model includes the necessary empirical information on the interaction between the roughness elements and the flow around and between the elements in a general way which does not require experimental data on each specific surface. This empirical information is input via algebraic models for the local element drag coefficient and Nusselt number. These models have been cslibrated by comparison with base data sets from surfaces with three-dimensional (distributed) roughness elements. Calculations using the present discrete element model are compared with experimental data from 118 separate experimental runs. The results of these comparisons range from gooc* tc excellent. The calculations are shown to compare equally well with both transitionally rough turbulent flow and fully rough turbulent flow without modification of the roughness model. In the course of the present work it was discovered that the definitive data set of Schlichting is flawed. Corrected values are presented for this data set.

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Section: The Implicit Finite Difference Methodsmentioning

confidence: 99%