General Treatment of Compressible Flow in Ejectors and Example of Its Application to Problem of Effect of Ejector Addition on Thrust of Jet-Propulsion Units

Abstract

A comprehensive treatment was developed of compressible flow in single ejectors with straight circular mixing tubes. This treatment was applied to a method with certain limitations permitting calculation of physical conditions of varying geometries for any set of flow actuating conditions. The general theory could be applied to any problem concerned with pumping or thrust augmentation to be obtained through use of ejectors, which included jet-propelled airplanes and missiles. Since thrust augmentation of jet engines through use of ejectors could only be computed in isolated instances, a general conclusion with respect to the usefulness of ejectors for jet engines could not yet be drawn.

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Document Details

Document Type
Technical Report
Publication Date
Jun 16, 1947
Accession Number
ADB804934

Entities

People

  • Herman H. Ellerbrock Jr.

Organizations

  • National Advisory Committee for Aeronautics

Tags

Communities of Interest

  • Air Platforms
  • Materials and Manufacturing Processes
  • Weapons Technologies

DTIC Thesaurus Topics

  • Aeronautics
  • Air Flow
  • Aircrafts
  • Airplanes
  • Compressible Flow
  • Flight Speeds
  • Flow Rate
  • Fluid Dynamics
  • Fluid Flow
  • Heat Transfer
  • Internal Combustion Engines
  • Jet Aircraft
  • Jet Engines
  • Jet Propulsion
  • Mass Flow
  • Shock Waves
  • Turbojet Engines

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Aerospace Engineering
  • Fluid Dynamics.