NON-UNIFORM PROPAGATION OF MODERATE STRENGTH BLAST WAVES IN WEDGE AND CONICAL HYPERSONIC NOZZLES,

Abstract

The blast wave equations in an unsteady environment are derived. For wedge and conical nozzles it is shown that the density has a power law variation with distance downstream from the throat when the local flow Mach number is large. The unsteady flow field behind the blast wave is solved by a perturbation technique and the self-similar solution of Mirels and Mullen is recovered in the first approximation. An approximate expression is given for the shock trajectory as a function of the instantaneous energy release, the nozzle geometry, and the stagnation conditions. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1968
Accession Number
AD0680471

Entities

People

  • B. H. K. Lee

Organizations

  • National Research Council Canada

Tags

DTIC Thesaurus Topics

  • Blast
  • Blast Waves
  • Conical Nozzles
  • Equations
  • Flow
  • Flow Fields
  • Hypersonic Nozzles
  • Mach Number
  • Nozzles
  • Unsteady Flow
  • Wave Equations

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.
  • Fluid Dynamics.

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Flow