a type of jet engine in which fuel is burned in a duct using air compressed by the forward speed of the aircraft
b.
an aircraft powered by such an engine
Also called: athodyd
ramjet in American English
(ˈræmˌdʒet)
noun
a jet engine operated by the injection of fuel into a stream of air compressed by the forward speed of the aircraft
Also called: ramjet engine
Word origin
[1940–45; ram + jet1]This word is first recorded in the period 1940–45. Other words that entered Englishat around the same time include: Rh factor, airlift, black box, snorkel, whiteout
Examples of 'ramjet' in a sentence
ramjet
After the blockage opens, the solid fuel ramjet can reach a stable working condition quickly.
Changfei ZHUO, Haotian CHEN, Wenjin YAO, Xiaoming WANG 2019, 'Self-ignition characteristics of the high-speed ramjet kinetic energy projectile inthe launch process', Chinese Journal of Aeronauticshttp://www.sciencedirect.com/science/article/pii/S1000936119300597. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This includes studies on gas turbine applications, ramjet and scramjet systems, and space and rocket applications.
Steven A. O'Briant, Sreenath B. Gupta, Subith S. Vasu 2016, 'Review: laser ignition for aerospace propulsion', Propulsion and Power Researchhttp://www.sciencedirect.com/science/article/pii/S2212540X16000055. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This report assesses the performance characteristics of a ramjet compression system in the application of a hypersonic vehicle.
Sasha Veeran, Apostolos Pesyridis, Lionel Ganippa 2018, 'Ramjet Compression System for a Hypersonic Air Transportation Vehicle Combined CycleEngine', Energieshttp://www.mdpi.com/1996-1073/11/10/2558. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Hypersonic vehicles with turbojet, ramjet, and scramjet engines are expected to be widely applied to future transportation systems.
Yinhai ZHU, Wei PENG, Ruina XU, Peixue JIANG 2018, 'Review on active thermal protection and its heat transfer for airbreathing hypersonicvehicles', Chinese Journal of Aeronauticshttp://www.sciencedirect.com/science/article/pii/S1000936118302073. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Challenges arose with attempting to maintain sufficient pressure recoveries and favourable flow characteristics into the ramjet combustor.
Sasha Veeran, Apostolos Pesyridis, Lionel Ganippa 2018, 'Ramjet Compression System for a Hypersonic Air Transportation Vehicle Combined CycleEngine', Energieshttp://www.mdpi.com/1996-1073/11/10/2558. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Rates of pyrolysis reaction are reported for a wide range of solid fuels applicable to ramjet application.
Trevor D. Hedman 2016, 'Radiation-induced pyrolysis of solid fuels for ramjet application', Propulsion and Power Researchhttp://www.sciencedirect.com/science/article/pii/S2212540X16300037. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Multiple designs, including varying ramp configurations and turbo-ramjet combinations, were investigated to evaluate their merits and limitations.
Sasha Veeran, Apostolos Pesyridis, Lionel Ganippa 2018, 'Ramjet Compression System for a Hypersonic Air Transportation Vehicle Combined CycleEngine', Energieshttp://www.mdpi.com/1996-1073/11/10/2558. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)