THE MOLECULAR FLOW OF DIATOMIC GASES AND GAS MIXTURE

Abstract

AN EQUILIBRIUM ENERGY DISTRIBUTION FUNCTION INCLUDING ROTATION IS CONSIDERED FOR A DIATOMIC MOLECULAR GAS AND FOUND TO BE CONSISTENTLY CORRECT IN GENERATING CONTINUUM EQUATIONS FROM A GENERAL TRANSPORT EQUATION. THE MODEL IS USED TO EXAMINE HYPERSONIC FREE-MOLECULAR FLOWS OF A DIATOMIC GAS WHERE ALTERATIONS FROM THE EQUATIONS OF MONATOMIC FLOWS ARE FOUND IN TEMPERATURE TERMS OF THE ENERGY TRANSFER RELATION. SUCH TERMS ARE NOT NEGLIGIBLE EVEN AT ORBITAL SPEEDS AND SHOULD NOT BENEGLECTED IN ANALYSES. THE CASE OF A GAS MISTURE (CONTINUUM) IS TREATED FROM A MOLECULAR VIEWPOINT UNING A TRANSPORT RELATION FOR THE MOLECULAR MIXTURE. THE ANALYSIS DEALS WITH A DIATOMIC-MONATOMIC MIXTURE AND THEN GENERALIZES THE RESULTS TO FORMULATE SPECIFIC HEATS AND THEIR RATIO FOR ANY NONREACTING MIXTURE

Document Details

Document Type
Technical Report
Publication Date
May 01, 1962
Accession Number
AD0278834

Entities

People

  • John D. Lee

Organizations

  • Ohio State University

Tags

DTIC Thesaurus Topics

  • Boltzmann Equation
  • Distribution Functions
  • Energy
  • Energy Transfer
  • Equations
  • Mathematics
  • Rotation
  • Specific Heat
  • Transport Ships

Fields of Study

  • Physics

Readers

  • Combustion science or combustion engineering.
  • Fluid Dynamics.

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Flight
  • Space
  • Space - Hall-Effect Thruster