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Near Continuum Velocity and Temperature Coupled Compressible Boundary Layer Flow over a Flat Plate

Brazilian Journal of Physics volume 47, pages 182–188 (2017)Cite this article

Abstract

The problem of a compressible gas flows over a flat plate with the velocity-slip and temperature-jump boundary conditions are being studied. The standard single- shooting method is applied to obtain the exact solutions for velocity and temperature profiles when the momentum and energy equations are weakly coupled. A double-shooting method is applied if these two equations are closely coupled. If the temperature affects the velocity directly, more significant velocity slip happens at locations closer to the plate’s leading edge, and inflections on the velocity profiles appear, indicating flows may become unstable. As a consequence, the temperature-jump and velocity-slip boundary conditions may trigger earlier flow transitions from a laminar to a turbulent flow state.

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Authors and Affiliations

  1. Michigan Technological University, Houghton, MI, 49931, USA

    Xin He & Chunpei Cai

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  1. Xin He
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  2. Chunpei Cai
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Correspondence to Chunpei Cai.

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He, X., Cai, C. Near Continuum Velocity and Temperature Coupled Compressible Boundary Layer Flow over a Flat Plate. Braz J Phys 47, 182–188 (2017). https://doi.org/10.1007/s13538-017-0488-x

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  • DOI: https://doi.org/10.1007/s13538-017-0488-x

Keywords

  • Boundary layer
  • Boundary conditions
  • Velocity slip
  • Flow instability