Computation and turbulence modeling for three-dimensional boundary layers including turbomachinery rotor flows

J. Zhang, B. Lakshminarayana

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

A method is developed for predicting the behavior of three-dimensional, turbulent boundary layers occurring in internal flows, including those on turbomachinery rotor blades. These boundary layers are complex, turbulent, and subject to Coriolis and centrifugal forces. The major thrust of this paper is the development and use of an algebraic Reynolds stress model (ARSM) that captures the changes in turbulent flow structure arising from curvature, rotation, and three dimensionality. The prediction of pressure-driven secondary flow agrees well with the measured data, and all three turbulence models (k-∈, algebraic eddy viscosity, and ARSM) show the same level of agreement. The prediction of boundary-layer development on rotor blades shows much better agreement with measurements with the ARSM. It is essential to employ higher-order turbulence models to capture the effects of rotation, curvature, and three dimensionality on boundary layers in turbomachinery.

Original languageEnglish (US)
Pages (from-to)1861-1869
Number of pages9
JournalAIAA journal
Volume28
Issue number11
DOIs
StatePublished - Nov 1990

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

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