Accession Number : ADA308578

Title :   ARCJET Fundamentals: Experiments and Non-Equilibrium Flow Modeling.

Descriptive Note : Final technical rept. 1 Jun 92-31 Dec 95,

Corporate Author : ILLINOIS UNIV AT URBANA BOARD OF TRUSTEES

Personal Author(s) : Krier, Herman ; Burton, Rodney L. ; Bufton, S. A. ; Megli, T. W.

PDF Url : ADA308578

Report Date : 29 FEB 1996

Pagination or Media Count : 52

Abstract : Experimental investigations and theoretical modeling of the energy deposition and acceleration processes in 1kW-class arcjet thrusters using hydrazine propellant are presented. The report highlights detailed research in arcjet fundamentals that was reported in the two Ph.D. theses of S.A. Bufton and T.W. Megli. We report for the first time the evidence of thermal non-equilibrium (different electron and gas temperatures). Chemical kinetics for hydrazine dissociation and ionization play important roles in the overall energy conversion. Electrostatic probe measurements at the exit plane validate the model.

Descriptors :   *HYDRAZINES, *REACTION KINETICS, *ARC JET ENGINES, THERMAL PROPERTIES, TEMPERATURE, CHEMICAL DISSOCIATION, ACCELERATION, ENERGY CONVERSION, IONIZATION, NONEQUILIBRIUM FLOW, ELECTROSTATIC PROBES.

Subject Categories : Electric and Ion Propulsion

Distribution Statement : APPROVED FOR PUBLIC RELEASE