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1 vote
1 answer
900 views

Does kerosene get ignited by a spark plug? [duplicate]

Are spark plugs used in kero-LOx engine(say J1 engines)? If so, then there are two major issues when using spark plug to ignite kerosene. Wetting of the spark plug causes spark to be smaller and the …
karthikeyan's user avatar
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2 votes
0 answers
187 views

How to overcome the challenge of igniting kerosene using spark plugs?

Discussions in this question and its answer, concerning the use of spark plug ignition for Kero/GOx system outlines the energy limitations of spark plugs to ignite the mixture. … But Ignition Transient of Supercritical Oxygen/Kerosene Combustion System (Kim, Lee and Koo 2015, 25th ICDERS) clearly show that the ignition of kerosene/GOx using spark plug is possible. …
karthikeyan's user avatar
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2 votes
0 answers
105 views

Effect of the location of igniter in starting liquid rocket engine

What will be the effect of off axis igniter, say a Spark igniter has to be used along with a pintle? Will the igniter being off axis have any effect on engine start? Also, will an off-center igniter …
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1 vote
1 answer
2k views

How is a spark plug igniter of rocket different from one used in IC engines?

But many sources on spark ignition system for rocket appears to follow the reference cited. What is the reason? In what way is the two system different? … Is the choice for a simpler ignition system in rockets stem from mass point of view(ie to have a lighter igniter)? …
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3 votes
1 answer
1k views

How long does Augmented Spark Igniter fire?

The heroicrelics.org page J-2 Rocket Engine Augmented Spark Igniter mentions that The ASI operates continuously during entire engine firing Does this how all spark igniters function in rocket e …
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