Argon Nucleation in a Supersonic Nozzle,

Abstract

Experiments on the condensation of gaseous argon by homogeneous nucleation have been carried out in a supersonic nozzle at pressures high enough so that the phase change occurs under collision dominated or continuum flow conditions. In addition, the argon is precooled in a liquid nitrogen heat exchanger so that the onset of nucleation takes place at a low enough Mach number (1.85 in this case) such that the experiments can be interpreted through the use of one-dimensional gasdynamics. The supply pressure and temperature are varied so that the onset of condensation occurs at the nozzle exit, as detected through the use of laser light scattering.

Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1974
Accession Number
ADA007357

Entities

People

  • Gilbert D. Stein

Organizations

  • Yale University

Tags

DTIC Thesaurus Topics

  • Collisions
  • Condensation
  • Cooperation
  • Dynamics
  • Gas Dynamics
  • Heat Energy
  • Heat Exchangers
  • Light Scattering
  • Mach Number
  • Nitrogen
  • Nozzles
  • Nucleation
  • Scattering
  • Supersonic Nozzles
  • Transition Temperature

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.
  • Pulsed Power and Plasma Physics.

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers
  • Hypersonics
  • Hypersonics - Hypersonic Boundary Layers
  • Hypersonics - Hypersonic Flight
  • Hypersonics - Hypersonic Flow