Torch with oxidizer augmentation for LOX/LH2 engine ignition

Niwa, Masakazu; Santana, A.; Kessaev, K.

doi:10.2514/6.2000-3169

Cited by 2 publications

(1 citation statement)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…First, the igniter can produce either a fuel-rich torch or an oxidizer-richone, a characteristicthat makes the task of propellantsignition in the combustion chambers easy. 11 Second, as the required pressure to inject the fuel is relatively low, kerosene can be fed directly from the fuel tank of LOX/kerosene engines, avoiding the use of additionaltanks.…”

Section: Resultsmentioning

confidence: 99%

Development of a Resonance Igniter for GO/Kerosene Ignition

Niwa

Santana

Kessaev

2001

Journal of Propulsion and Power

View full text Add to dashboard Cite

A resonance ignition system is attractive for rocket engines because of the igniter's simplicity and the possibility of multiple ignitions without additional mechanical complexities. In this work a resonance igniter to produce a torch from burning of gaseous oxygen and liquid kerosene was designed and tested. The oxygen is heated for 0, 1 s in the acoustic resonator cavity, and the ignition occurs instantaneously on kerosene injection. The preliminary tests under ambient conditions demonstrated the igniter's ability to ignite GO 2 /kerosene mixtures over a wide range of pressures and mass ow rates. This opens new possibilities to create a compact and reliable ignition system for restarting rocket engines. NomenclatureP m f ; P m o = mass ow rate of kerosene and oxygen, respectively, kg/s O=F = P m o = P m f , mixture ratio p c = chamber pressure, bar p f ; p o = inlet pressure of kerosene and oxygen, respectively, bar T B = temperature of the igniter body, K T R = temperature of the outer surface of resonator, K T T = temperature of the torch, K t = time, s t f = moment when the fuel valve is turned on, s t ig = moment of ignition, s t o = moment when the oxygen valve is turned on, s t off = moment when the fuel valve is turned off, s 1t ig = time delay of ignition, s 1t o = igniter preparation interval, s 1t op = igniter operation interval, s

show abstract

Section: Resultsmentioning

confidence: 99%