K C A Crane and R J Stalker 1977 J. Phys. D: Appl. Phys. 10 679 doi:10.1088/0022-3727/10/5/010
K C A Crane and R J Stalker
Show affiliationsQuantitative mass-spectrometric measurements have been made of the relative species concentrations in non-equilibrium hypersonic flows produced in a shock tunnel. Some partially dissociated flows of either nitrogen, air, or carbon dioxide have been analysed at nominal stagnation enthalpies up to 60 MJ kg-1. Emphasis was placed on eliminating two basic problems which had not been resolved by previous workers. One involved the dependence of electron-impact ionization cross-sections of neutral molecules on their vibrational temperature. The other was to perform a calibration which fully accounted for the effects of separation of the neutral species in the molecular beam sampled from the flow. Experimental results are compared with approximate calculations.
47.40.Ki Supersonic and hypersonic flows
Issue 5 (1 April 1977)
K C A Crane and R J Stalker 1977 J. Phys. D: Appl. Phys. 10 679
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