Combustion instabilities are physical phenomena occurring in a reacting flow (e.g., a flame) in which some perturbations, even very small ones, grow and...
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the combustion temperature and thus reduce the NOx emissions; however, running the combustion lean makes it very susceptible to combustion instability. The...
50 KB (6,264 words) - 17:20, 14 May 2025
Rocket engine (section Combustion instabilities)
the supersonic pressure wave formed in the combustion chamber may destroy the engine. Combustion instability was also a problem during Atlas development...
101 KB (11,722 words) - 04:15, 17 May 2025
Pogo oscillation (redirect from Pogo instability)
vibration in liquid-propellant rocket engines caused by combustion instability. The unstable combustion results in variations of engine thrust, causing variations...
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delayed by a month when the Titan's right engine experienced severe combustion instability at ignition that caused the entire thrust chamber to break off of...
55 KB (7,208 words) - 07:21, 31 March 2025
unsteady heat release process. This instability is very relevant in combustion instabilities in systems such as rocket engines, etc. A very simple mechanism...
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at least through 1965. Early development tests revealed serious combustion instability problems which sometimes caused catastrophic failure. Initially...
37 KB (3,787 words) - 10:09, 17 November 2024
and several missions to the outer planets. His research work with combustion instability of solid rocket motors has “practically solved a challenging issue...
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Atlas LV-3B (section Combustion sensors)
standard D-series valve for reliability and weight-saving reasons. Combustion instability was a repeated problem in static firing tests of the MA-2 engines...
30 KB (3,746 words) - 16:50, 22 February 2025
Rotating detonation engine (category Combustion)
A rotating detonation engine (RDE) uses a form of pressure gain combustion, where one or more detonations continuously travel around an annular channel...
22 KB (2,187 words) - 02:51, 19 May 2025
Hybrid-propellant rocket (section Combustion)
), density, or both. Combustion instabilities – Hybrid rockets do not typically exhibit high frequency combustion instabilities that plague liquid rockets...
56 KB (6,958 words) - 22:05, 31 March 2025
Darrieus–Landau instability Kuramoto–Sivashinsky equation Clavin–Garcia equation Double diffusive convection (1944). Theory of Combustion and Detonation...
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three-stage engine combustion test facility and a combustor combustion test facility. However, the problem of combustion instability in the KRE-075 burner...
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Engine knocking (redirect from Detonation internal combustion engine)
fuel–air mix itself, and due to Rayleigh–Taylor instability (resulting from the hot, low-density combustion gasses expanding into the relatively cold and...
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Aluminium – most common fuel in many classes of mixtures, also a combustion instability suppressant. Less energy per mass than carbon but less gas evolution...
28 KB (3,515 words) - 08:14, 4 July 2024
caused considerable damage to Site 1/5, was traced to high frequency combustion instability in the strap-on RD-107 engines, something that would become a persistent...
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aerodynamic stresses. Additional failure modes include bore choking and combustion instability. Failure of an O-ring seal on the Challenger space shuttle's right...
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in a failure shortly after takeoff, which had been caused by a combustion instability that had occurred in one of the Viking first stage engines. The...
18 KB (1,973 words) - 07:59, 6 February 2025
injector system, at the request of NASA, when Bell could not solve combustion instability problems. The LMAE traces its origin to the earlier Bell Aerosystems...
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were removed. Because the second stage engine had had issues with combustion instability, it was equipped with baffled injectors. The first stage was loaded...
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he is the author of many publications on turbulent flames and combustion instabilities. He was the head of the Flame Research Section, Explosives and...
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based on regular injectors, and will very rarely present acoustic combustion instabilities, because a pintle injector tends to create a self-stabilizing flow...
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street fundraising a form of rapid drinking. a type of rocket engine combustion instability when broken down palm muting, guitar technique This disambiguation...
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RD-170 (category Rocket engines using the staged combustion cycle)
engine designers, including Valentin P. Glushko, faced problems of combustion instability while designing bigger thrust chambers. At that time, they solved...
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failure (on second Ariane 1 flight 23 May 1980) was due to a chamber combustion instability. The vehicle had lost an attitude control and broke up. Several...
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sabotage was ruled out. The failure was traced to high-frequency combustion instability, which had been a problem with the RD-219 engine and was also responsible...
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Williams spray equation (category Combustion)
Frequency Combustion Instability,”." Eighth Symposium (International) on Combustion. Williams and Wilkins. 1962. Tanasawa, Y. "On the Combustion Rate of...
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much more time and money to design. Glushko never did overcome the combustion instability problems of large rocket engines using kerosene propellants; his...
18 KB (2,205 words) - 12:26, 15 March 2025
The Darrieus–Landau instability or density fingering refers to an instability of chemical fronts propagating into a denser medium, named after Georges...
10 KB (1,728 words) - 21:37, 24 February 2025
The Richtmyer–Meshkov instability (RMI) occurs when two fluids of different density are impulsively accelerated. Normally this is by the passage of a...
6 KB (757 words) - 07:14, 10 December 2024