Numerical Cold Flow and Combustion Characterization of Swirl Coaxial Injectors

Abstract

The Air Force and its partners are developing and validating an injector design methodology that utilizes both high-pressure cold-flow testing and uni-element hot-fire testing, to create a high performing, long life swirl coaxial injector. Several gas-centered swirl coax injector configurations have been tested under cold- flow and hot-fire test conditions in a single element research engine. The methodology uses computational fluid dynamics (CFD) analyses to provide insight into the flowfield and guide the evolution of injector designs. Both cold-flow and hot-fire analyses were completed, with cold flow results compared with test data. The companion paper will discuss the experimental results.

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Document Details

Document Type
Technical Report
Publication Date
Dec 27, 2002
Accession Number
ADA410890

Entities

People

  • Curtis W. Johnson
  • Gary C. Cheng
  • Jeffrey A. Muss

Tags

Communities of Interest

  • Ground and Sea Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Boundaries
  • Chemical Reactions
  • Combustion
  • Combustion Chambers
  • Computational Fluid Dynamics
  • Creep
  • Engineering
  • Equations
  • Equations Of State
  • Fluid Dynamics
  • Fluid Flow
  • Fluid Mechanics
  • Fuel Injection
  • Injectors
  • Mechanical Properties
  • Numerical Analysis

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.
  • Computational Modeling and Simulation
  • Internal Combustion Engine (ICE) Technology.