Simulation of TMD Flowfields

Abstract

The research project is developing simulation methods so that it is possible to design and analyze advanced theater missile defense interceptors. We are focusing on the effects of body geometry on the stability of the boundary layer, in an attempt to delay transition to turbulence on these interceptors. We have used a recently developed computational fluid dynamics method to produce very accurate mean flow fields. We have parallelized a linear stability theory code and have applied it to a number of relevant geometries and flows. We find that increased free-stream enthalpy tends to stabilize the boundary layer and that nose bluntness has a very stabilizing effect. Both of these observations have been made in previous experiments. We plan to continue the analysis of these flows to better understand how to control and delay transition in hypersonic boundary layers.

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Document Details

Document Type
Technical Report
Publication Date
Sep 14, 1999
Accession Number
ADA370110

Entities

People

  • Graham V. Candler

Organizations

  • University of Minnesota

Tags

Communities of Interest

  • Energy and Power Technologies
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundaries
  • Boundary Layer
  • Boundary Layer Transition
  • Chemical Reactions
  • Chemistry
  • Computational Fluid Dynamics
  • Enthalpy
  • Flow
  • Flow Fields
  • Fluid Dynamics
  • Fluid Flow
  • Free Stream
  • Geometry
  • Layers
  • Reynolds Number
  • Simulations
  • Turbulence

Fields of Study

  • Physics

Readers

  • Distributed Systems and Data Platform Development
  • Fluid Mechanics and Fluid Dynamics.
  • Missile Defense Systems.

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Boundary Layers