Coherent Anti-Stokes Raman Spectroscopic Thermometry in a Supersonic Combustor

A. D. Cutler*, P. M. Danehy, R. R. Springer, S. O'Byrne, D. P. Capriotti, R. DeLoach

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

64 Citations (Scopus)

Abstract

An experiment has been conducted to acquire data for the validation of computational fluid dynamics codes used in the design of supersonic combustors. The flow in a supersonic combustor, consisting of a diverging duct with a single downstream-angled wall injector, is studied. Combustor entrance Mach number is 2 and enthalpy nominally corresponds to Mach 7 flight. The primary measurement technique is coherent anti-Stokes Raman spectroscopy, but surface pressures and temperatures have also been acquired. Modern design of experiment techniques have been used to maximize the quality of the data set (for the given level of effort) and to minimize systematic errors. Temperature maps are obtained at several planes in the flow for a case in which the combustor is piloted by injecting fuel upstream of the main injector and one case in which it is not piloted. Boundary conditions and uncertainties are characterized.

Original languageEnglish
Pages (from-to)2451-2459
Number of pages9
JournalAIAA Journal
Volume41
Issue number12
DOIs
Publication statusPublished - Dec 2003
Externally publishedYes

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