DETERMINATION OF ALTITUDE-SPEED CHARACTERISTICS OF A TURBOJET ENGINE FROM DATA FROM BENCH TESTS
- Authors
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- Keywords:
- power plant, altitude, speed, throttle characteristics, hourly fuel consumption, specific fuel consumption, thrust engine, speed
- Abstract
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The article, based on the results of research, proposes the main provisions of the methodology for determining the characteristics of a turbojet engine based on the results of bench tests, taking into account the theory of similarity. The definition of the speed, altitude and throttle characteristics of a turbojet engine and their purpose are given. The main ways of obtaining the characteristics of a turbojet engine are shown. The criteria for the similarity of the operating modes of the turbojet engine are determined. The algorithm for obtaining the characteristics of a turbojet engine on a bench and the method of bringing them to standard atmospheric conditions are shown. Based on the results of bench tests of a turbojet engine, the dependences of thrust and hourly fuel consumption on the rotor speed are obtained and these characteristics are brought to standard atmospheric conditions. An example of determining the thrust, hourly and specific fuel consumption of a turbojet engine in flight conditions is given. The limits of application of this methodology are shown.
- Author Biographies
- References
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Теорія теплових двигунів: підруч. / Терещенко Ю.М., Бойко Л. Г., Дмитрієв С. О. та ін.; за ред. Ю. М. Терещенка. Київ: Вища шк. 2001. 382 с.
Інтеграція авіаційних силових установок літальних апаратів: підруч. / Терещенко Ю.М., Кулик М. С., Панін В.В. та ін.; за ред. Ю. М. Терещенка. Київ: Вид-во Нац. авіац. ун-ту «НАУ-друк». 2009. 344 с.
Mac Isaac B. & Langton R. (2011). Gas Turbine Propulsion Systems. John Wiley & Sons, Ltd. Publication. 340 p. DOI: https://doi.org/10.2514/4.868467
Manuel of the ICAO Standard Atmosphere extended to 80 kilometers (262 500 feet). 1993. 304 p.
Candidate of Technical Sciences, Associate Professor
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- Published
- 2025-06-30
- Section
- AIRCRAFT ARMAMENT & FACILITIES
- License
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Copyright (c) 2025 Михайло Мітрахович ,Валерій Сілков ,Андрій Зірка
This work is licensed under a Creative Commons Attribution 4.0 International License.
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