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UID:0-315@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20191211T163000

DTEND;TZID=Asia/Jerusalem:20191211T173000

DTSTAMP:20230527T131945Z

URL:https://aerospace.technion.ac.il/events/the-impact-of-fuel-composition
 -on-flame-holding-in-a-scramjet-combustor/

SUMMARY:The Impact of Fuel Composition on Flame Holding in a Scramjet Combu
 stor
DESCRIPTION:Lecturer:Haim Elya Brod\n Faculty:Department of Aerospace Engin
 eering\n Institute:Technion – Israel Institute of Technology\n Location:
 Classroom 165\, ground floor\, Library\, Aerospace Eng.\n Zoom: \n Abstrac
 t: \n Details: \n Scramjet engines are an effective hypersonic propulsion\
 , as they breath air at hypersonic speeds and slow it down to supersonic s
 peeds in the combustor\, allowing for effective heat addition.  Liquid fu
 eled scramjet allow for several benefits\, including using the fuel in a h
 eat exchanger as heat sink for the structure of the engine. As fuel passes
  the heat exchanger it will undergo endothermic reaction\, producing mainl
 y Ethylene and Methane. In this research we looked at the effect of those 
 fuels composition on the supersonic combustion.\nWe designed and used a ne
 w experimental setup for scramjet combustor. A hydrogen air heater and a c
 onverging diverging nozzle are used to obtain vitiated air with a stagnati
 on temperature of about 1600 K\, stagnation pressure of 12 bar and a Mach 
 number of 2.2 at the combustor inlet. A cavity is used for flame stabiliza
 tion\, and the fuel is injected through two ports – in the cavity and up
 stream of the cavity. The diagnostics include static pressure measurements
  along the walls\, as well as CH chemiluminescence and shadowgraph imaging
 . The results presented herein show the impact of fuel flow rate and fuel 
 composition on the flame holding\, flame location\, flow field\, and press
 ure distribution in the combustor.
CATEGORIES:Seminars
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng.

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DTSTART:20191027T010000

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