Application of flow visualization at MIT to measure the ejection density mixing rate of a high-speed combustor

Mark Burnett; D. Crevaston; Peter John Bryanston-Cross; Ian Waitz; Brenda H. Timmerman

doi:10.1117/12.365728

13 October 1999 Application of flow visualization at MIT to measure the ejection density mixing rate of a high-speed combustor

Mark Burnett, D. Crevaston, Peter John Bryanston-Cross, Ian Waitz, Brenda H. Timmerman

Author Affiliations +

Proceedings Volume 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids; (1999) https://doi.org/10.1117/12.365728
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

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.

Citation Download Citation

Mark Burnett, D. Crevaston, Peter John Bryanston-Cross, Ian Waitz, and Brenda H. Timmerman "Application of flow visualization at MIT to measure the ejection density mixing rate of a high-speed combustor", Proc. SPIE 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids, (13 October 1999); https://doi.org/10.1117/12.365728

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