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Scramjet - Wikipedia
https://en.wikipedia.org/wiki/Scramjet
WebA scramjet (supersonic combustion ramjet) is a variant of a ramjet airbreathing jet engine in which combustion takes place in supersonic airflow.
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What Is A Scramjet Engine? How Does A Scramjet Work?
https://www.scienceabc.com/innovation/what-is-a-scramjet-engine.html
WebOct 19, 2023 · Scramjet engines are nothing but an upgrade to ramjet engines; in fact, scramjet stands for ‘supersonic combustion ramjet engines’. In scramjets, the incoming airflow is not slowed down to subsonic levels and maintains supersonic speeds. This is accomplished by a more gradually diverging diffuser.
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NASA Hyper-X Program Demonstrates Scramjet Facts
https://www.nasa.gov/wp-content/uploads/2021/09/171371main_FS-040-DFRC.pdf
WebA scramjet (supersonic-combustion ramjet) is a ramjet engine in which the airflow through the engine remains supersonic, or greater than the speed of sound. Scramjet powered vehicles are envisioned to operate at speeds up to at least Mach 15. Ground tests of scramjet com-bustors have shown this potential, but no flight
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X-43A Hyper-X - NASA
https://www.nasa.gov/reference/x-43a/
WebJan 5, 2024 · A scramjet (supersonic-combustion ramjet) is a ramjet engine in which the airflow through the engine remains supersonic. Scramjets powered vehicles are envisioned to operate at speeds up to at least Mach 15. Ground tests of scramjet combustors have shown this potential, but no flight tests have surpassed the Mach 9.6 X-43A flight.
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Ramjet / Scramjet Thrust - NASA
https://www.grc.nasa.gov/WWW/k-12/airplane/ramth.html
WebMay 13, 2021 · Likewise, the supersonic combustion ramjet, or scramjet, provides high thrust and low weight for hypersonic flight speeds. Unlike a turbojet engine, ramjets and scramjets have no moving parts, only an inlet, a combustor that consists of a fuel injector and a flame holder, and a nozzle. How do ramjets and scramjets work?
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Scramjet Propulsion - NASA
https://www.grc.nasa.gov/WWW/k-12/airplane/scramjet.html
WebMay 13, 2021 · Tests were begun to design the supersonic burner and to better integrate the inlet and nozzle with the airframe. Because the scramjet uses external air for combustion, it is a more efficient propulsion system for flight within the atmosphere than a rocket, which must carry all of its oxygen.
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X-51A Makes Longest Scramjet Flight - NASA
https://www.nasa.gov/image-article/x-51a-makes-longest-scramjet-flight/
WebJun 3, 2010 · The air-breathing scramjet engine, built by Pratt & Whitney Rocketdyne, burned for more than 200 seconds to accelerate the U.S. Air Force’s X-51A vehicle to Mach 5, or five times the speed of sound. It broke the previous record for the longest scramjet burn in a flight test, set by NASA’s X-43 vehicle.
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Scramjet Engines: The First Forty Years | Journal of Propulsion …
https://arc.aiaa.org/doi/abs/10.2514/2.5875
WebMay 23, 2012 · Performance Analysis of a Scramjet Combustor with Cavity for Mach Numbers 3.0, 3.25 and 3.50 with Hydrogen as a Fuel 11 January 2021 A Review on Scramjet Engine
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The Scramjet Engine: PROCESSES AND CHARACTERISTICS
https://assets.cambridge.org/97811074/02522/excerpt/9781107402522_excerpt.pdf
WebThe Scramjet Engine: PROCESSES AND CHARACTERISTICS. Introduction. 1.1 The Ramjet and the Supersonic Combustion Ramjet (Scramjet) Engine Cycle. An invention attributed to Ren ́e Lorin of France in 1913 (Hallion, 1995), the ramjet is a remarkable air-breathing engine in its conceptual simplicity.
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Scramjet Propulsion | Progress in Astronautics and Aeronautics
https://arc.aiaa.org/doi/10.2514/4.866609
WebJan 1, 2001 · Description. Supersonic combustion ramjet (SCRJ) engine research and development, begun some 40 years ago, is the key to airbreathing hypersonic flight. Many unexpected complexities of SCRJ engine combustion and combustor-inlet interaction have been continuing challenges. However, valuable progress has been made in several …
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