Balancing energy processes in turbine engines

• Autorzy: Balicki W. , Głowacki P. , Szczeciński S. , Korczewski Z. , Kozakiewicz A. , Szczeciński J.
• Języki publikacji: EN

Abstrakty

EN

The article discusses the issue of balancing energy processes in turbine engines in operation in aeronautic and marine propulsion systems with the aim to analyse and evaluate basic operating parameters. The first part presents the problem of enormous amounts of energy needed for driving fans and compressors of the largest contemporary turbofan engines commonly used in long-distance aviation. The amounts of the transmitted power and the effect of flow parameters and constructional properties of the engines on their performance and real efficiency are evaluated. The second part of the article, devoted to marine applications of turbine engines, presents the energy balance of the kinetic system of torque transmission from main engine turbines to screw propellers in the combined system of COGAG type. The physical model of energy conversion processes executed in this system is presented, along with the physical model of gasodynamic processes taking place in a separate driving turbine of a reversing engine. These models have made the basis for formulating balance equations, which then were used for analysing static and dynamic properties of the analysed type of propulsion, in particular in the aspect of mechanical loss evaluation in its kinematic system.

Słowa kluczowe

EN

turbine engines; aeronautic and marine propulsion systems; energy balance; mechanical loss

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2014
• Tom: nr 4
• Strony: 48--56
• Opis fizyczny: Bibliogr. 7 poz., rys.

Twórcy

autor

Balicki W.

• Institute of Aviation, Poland

autor

Głowacki P.

• Institute of Aviation, Poland

autor

Szczeciński S.

• Institute of Aviation, Poland

autor

Korczewski Z.

• Gdańsk University of Technology, 11/12 Narutowicza St., 80 - 233 Gdańsk, Poland

autor

Kozakiewicz A.

• Military University of Technology, Poland

autor

Szczeciński J.

• General Electric Poland

Bibliografia

• 1. Balicki W., Chachurski R., Głowacki P., Kawalec K, Kozakiewicz A., Pągowski Z., Szczeciński J., Szczeciński S., Aero turbine engines. Construction-Maintenance- Diagnostics, Parts 1 and 2 (in Polish), Biblioteka Naukowa Instytutu Lotnictwa, Warsaw 2010, pp. 428 and pp. 460,
• 2. Dżygadło Z., Łyżwiński M., Otyś J., Szczeciński S., Wiatrek R., Aero propulsion systems – Rotor units of turbine engines, (in Polish) WKiŁ, Warsaw 1982, pp.510,
• 3. Korczewski Z. Identifying gasodynamic processes in compressor unit of marine turbine engine for diagnostic purposes, (in Polish), Wydawnictwo Akademii Marynarki Wojennej, Gdynia 1999 r.
• 4. Lindstedt P., Golak K., Basis of method for the evaluation of engine regulation condition in variable environment, Journal of KONBiN 1(17) 2011, ISSN 1895-8281
• 5. Muszyński M., Orkisz M., Modelling turbine jet engines, (in Polish), Biblioteka Naukowa Instytutu Lotnictwa, Warszawa 1997, pp. 258,
• 6. Szczeciński S., Failure of the engine NK-8 as direct cause of crash of the plane Ił-62 on March 14, 1980, at Okęcie Airport, ( in Polish) Transactions of the Institute of Aviation, No 4/2009 (199), pp. 158
• 7. Tuliszka E. Compressors, blowers and fans, (in Polish), Wydawnictwo Naukowo – Techniczne, Warsaw 1976, pp. 828.