Shock-Induced Turbulence and Acoustic Loading on Aerospace Structures

Abstract

An investigation of the accuracy of high-order methods for hypersonic shock wave turbulent boundary layer interaction (SWTBLI) is presented. The numerical methods considered here comprise of the Monotone-Upstream Central Scheme for Conservation Laws (MUSCL) and Weighted Essentially Non-Oscillatory (WENO) schemes, 2nd to 9th order accurate in conjunction with structured and mixed element unstructured grids. Both Implicit Large Eddy Simulation (ILES) and Reynolds Averaged Navier-Stokes (RANS) computations have been performed. The effects of discretization on the turbulence transport equation, including the approximation method for the viscous gradient, are also investigated. The accuracy of the schemes in high Reynolds number RANS modeling is assessed against experimental data of a shock impingement on a flat plate at Mach number 5 and unit Reynolds number 37 106/m. ILES has been performed for the compression ramp case a moderate Reynolds numbers of 38.7 103, based on the boundary layer thickness, and compared to Direct Numerical Simulations (DNS).

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Document Details

Document Type
Technical Report
Publication Date
Aug 22, 2015
Accession Number
ADA622752

Entities

People

  • Dimitris Drikakis

Organizations

  • Cranfield University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Air Force Research Laboratories
  • Boltzmann Equation
  • Boundaries
  • Boundary Layer
  • Computational Fluid Dynamics
  • Computational Science
  • Equations
  • Experimental Data
  • Large Eddy Simulation
  • Layers
  • Mach Number
  • Reynolds Number
  • Shock Waves
  • Simulations
  • Turbulent Boundary Layer
  • Turbulent Flow

Fields of Study

  • Physics

Readers

  • Computational Fluid Dynamics (CFD)
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Fluid Mechanics and Fluid Dynamics.

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Boundary Layers
  • Space
  • Space - Hall-Effect Thruster