Mixing and combustion studies using discrete orifice injection at hypervelocity flight conditions

Autor:	Robert J. Bakos, Oussama Rizkalla, R. Trucco, J. Tamango, Wallace Chinitz, John Erdos
Rok vydání:	1992
Předmět:	Materials science Mechanical Engineering Aerospace Engineering Mechanics Injector Fuel injection Combustion Automotive engineering law.invention Ignition system Fuel Technology Space and Planetary Science law Hypervelocity Combustor Combustion chamber Body orifice
Zdroj:	Journal of Propulsion and Power. 8:1290-1296
ISSN:	1533-3876 0748-4658
DOI:	10.2514/3.11475
Popis:	Testing at hypervelocity test conditions continues in the Hypulse expansion tube. A newly-calibrated Mach 13 operating point has been achieved, and hydrogen injection studies were performed at this test condition. The experiments were conducted in a 2-in x 1-in combustor model employing three injector configurations: a single flush-wall circular orifice; two such orifices on opposite walls (the 'dual' injector configuration); and two orifices on the upper and the lower walls (the 'quad' injector configuration). The quad injectors were distinctly superior to the other two configurations in promoting mixing, ignition, and combustion. The single injector, however, proved to be superior to the dual injectors, supporting the concept that the aspect ratio of the 'injection cell' plays a large role in promoting the processes required to achieve high combustion efficiency.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::36d55ee7c940313d427f753cc55d1705 https://doi.org/10.2514/3.11475 Zobrazit plný text záznamu