Temperature estimating method for exhaust gases in valveless pulsejet engine

• Autorzy: Trzeciak Adrian , Gieras Marian

Identyfikatory

DOI

10.19206/CE-2020-301

• Języki publikacji: EN

Abstrakty

EN

The article describes the problem of measuring the temperature in a pulse combustion chamber. The object of the study is a valveless pulsejet. The problem is analysed on the example of exhaust gases temperature measurement. The measurement in these conditions requires the use of a sensor resistant to large changes in gas velocity and temperature and at the same time with adequatly low inertia. This excludes the use of fast and precise yet thin, resistant wire sensors or ultrafast thin film thermocouples. Finally, a temperature measurement system based on sheated thermocouples was chosen. During each test the thermocouple has its own temperature which is different from the medium temperature. In order to properly determine the measured temperature of flowing media it is necessary to take the sensor time characteristics into account. In this article the iteration method is proposed to solve this problem.

Słowa kluczowe

EN

pulsating combustion; pulsejet; temperature measurement; periodic flow; combustion chamber

PL

spalanie pulsujące; silnik pulsacyjny; pomiar temperatury; przepływ okresowy; komora spalania

• Wydawca: Polskie Towarzystwo Naukowe Silników Spalinowych
• Czasopismo: Combustion Engines
• Rocznik: 2020
• Tom: R. 59, nr 3
• Strony: 3--9
• Opis fizyczny: Bibliogr. 14 poz., fot. kolor., rys., wykr.

Twórcy

autor

Trzeciak Adrian

• Faculty of Power and Aeronautical Engineering, Warsaw University of Technology

autor

Gieras Marian

• Faculty of Power and Aeronautical Engineering, Warsaw University of Technology

Bibliografia

• [1] ARJAVALINGAM, G., HAYNES, R.D., HYER, G.N. et al. High‐temperature thin‐film Pt-Ir thermocouple with fast time response. Review of Scientific Instruments. 1987, 58(5), 875-877. https://doi.org/10.1063/1.1139649
• [2] BORDATCHEV, E., CHANDRA, S., HEICHAL, Y. A fast-response thin film thermocouple to measure rapid surface temperature changes. Experimental Thermal and Fluid Science. 2005, 30(2), 153-159. https://doi.org/10.1016/j.expthermflusci.2005.05.004
• [3] CHEN, L., FRALICK, G., GREER, L. et al. Design and operation of a fast, thin-film thermocouple probe on a turbine engine. 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, NASA Center for AeroSpace Information (CASI). Conference Proceedings. 2014. https://doi.org/10.2514/6.2014-3923
• [4] DE JONG, W., KUDRA, T., MENG, X. A state-of-the-art review of pulse combustion: Principles, modeling, applications and R&D issues. Renewable and Sustainable Energy Reviews.. 2016, 55, 73-114. https://doi.org/10.1016/j.rser.2015.10.110
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• [8] LING, Y., MIN, L., WEN, C. Experimental analysis of combustion performance in pulse jet engine. Energy Procedia. 2016, 100, 248-252.
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• [10] Pulsating Combustion. International Symposium. Monterey 1991. Print. Combustion Science and Technology. 1993, 1(6).
• [11] THOMA, K. Dynamic temperature measurements on a thermally activated self-healing ionomer. Journal of Intelligent Material Systems and Structures. 2014, 25(1), 25-30. https://doi.org/10.1177/1045389X12444487
• [12] WIŚNIEWSKI, S. Pomiary temperatury w badaniach silników i urządzeń cieplnych. Wydawnictwo Naukowo-Techniczne Warszawa 1983.
• [13] WÓJCICKI, S. Silniki pulsacyjne, strumieniowe, rakietowe. Wydawnictwo Ministerstwa Obrony Narodowej. Warszawa 1962.
• [14] https://www.czaki.pl/content-dir/uploads/czaki-czujniki_termoparowe.pdf; accessed 02.2020.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).