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Proceedings Paper

Application of flow visualization at MIT to measure the ejection density mixing rate of a high-speed combustor
Author(s): Mark Burnett; D. Crevaston; Peter John Bryanston-Cross; Ian Waitz; Brenda H. Timmerman
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Paper Abstract

A rugged optical method has been designed for making measurements in a hostile industrial environments such as the combustion exit flow ofa gas turbine engine. Typically the gas temperature in such a combustor is 1000 K and the speed of the flow 700m/s. A transient shock tube has been constructed at MET (Massachusetts Institute of Technology ). The objective being to simulate the mixing rate for different types of exit combustor exit nozzles. A direct particle visualisation approach has been developed combining a c/w Argon/ion laser and an electronically shuttered image intensifier. The combination has been used measure the density distribution average over the complete 3ms run time ofthe transient shock tube facility. The system also has the potential to measure the entrainment of the surrounding ambient air and make velocity measurements.

Paper Details

Date Published: 13 October 1999
PDF: 11 pages
Proc. SPIE 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids, (13 October 1999); doi: 10.1117/12.365728
Show Author Affiliations
Mark Burnett, Univ. of Warwick (United Kingdom)
D. Crevaston, Massachusetts Institute of Technology (United States)
Peter John Bryanston-Cross, Univ. of Warwick (United Kingdom)
Ian Waitz, Massachusetts Institute of Technology (United States)
Brenda H. Timmerman, Univ. of Warwick (Netherlands)


Published in SPIE Proceedings Vol. 3783:
Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids
Soyoung Stephen Cha; Peter John Bryanston-Cross; Carolyn R. Mercer, Editor(s)

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