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http://dx.doi.org/10.6108/KSPE.2013.17.4.063

A Starting Characteristics Study of the Scramjet Engine Test Facility with a Mach 5.0 Nozzle  

Lee, Yang-Ji (Aeropropulsion System Team, Korea Aerospace Research Institute)
Yang, In-Young (Aeropropulsion System Team, Korea Aerospace Research Institute)
Yang, Soo-Seok (Aeropropulsion System Team, Korea Aerospace Research Institute)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.17, no.4, 2013 , pp. 63-72 More about this Journal
Abstract
A Mach 5 nozzle and a diffuser of the Scramjet Engine Test Facility (SETF) were made for a hydrocarbon-fueled scramjet engine. SETF, attached with a diffuser guide, started with a model of 60% blockage, though the model engine could not start by over expansion of the facility nozzle. The model was moved into the nozzle to escape the shock generated from the nozzle exit, both SETF and the engine could start. The pitot rake experiments (blockage of 2.3%) were done for measuring the core flow in the test section. From the pitot experiments, the core flow was expanded by an under expansion. It means that the core flow in the test section was related with a model blockage. SETF and the engine with a blockage of 33% work normally. From a series of experiments, SETF started with a normal shock efficiency of 58%, regardless of a blockage ratio.
Keywords
Scramjet Engine Test Facility; Starting Characteristics; Normal Shock Efficiency; Blockage Ratio; Pitot Rake;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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