Oveview of modern and advanced techniques in jet engine testing

• Autorzy: Pękalski A.

Warianty tytułu

PL

Przegląd nowoczesnych i zaawansowanych technik w testowaniu silników odrzutowych

• Języki publikacji: EN

Abstrakty

EN

Presented work describes an overview of techniques, probes and sensors as well as methods used in modern and advanced jet engine testing. The main goal of the article is to present complexity of the subject and to obtain knowledge and survey about future undertaken research. Paper is based on broadly considered bibliography and describes various methods of measurement. Within the first chapter temperature measurement methods are shown. Usage of the most popular technique, which considers thermocouples, is described in contrary to noncontact temperature acquisition using pyrometer. Both traditional and alternatives noncontact pressure measurement techniques are mentioned in the next part. Author underlined following chapter showing few different ways of stress and vibration measurement. Conventional, using strain gauges; modern, using Fiber Optic Bragg Sensor, as an example of intrusive techniques are shown. Additionally noncontact stress and vibration measurement examples are described using eddy current, capacitive and optical probes.

PL

Prezentowana praca przedstawia przegląd technik oraz czujników pomiarowych użytych w nowoczesnych metodach do testowania silników odrzutowych. Głównym celem pracy jest przedstawienie złożoności zagadnienia oraz zdobycie wiedzy na prezentowany temat. Praca oparta jest na rozbudowanej konferencyjnej bibliografii oraz dziennikach branżowych z ostatnich lat. W pierwszej części artykułu zostały opisane metody pomiaru temperatury. Przedstawiono charakterystykę najpopularniejszej z metod - wykorzystującą użycie termopary i porównano ją z wybraną techniką bezkontaktową - wykorzystującą pyrometr. Omówiono tradycyjne i alternatywne oraz bezkontaktowe sposoby pomiaru ciśnienia i zachowania się przepływu wewnątrz silnika. Przedstawiono również kilka metod pomiaru naprężeń i drgań w silniku lotniczym. Metody inwazyjne, konwencjonalne, wykorzystujące do pomiaru zarówno tensometry, jak i nowoczesne czujniki Bragga, zostały porównane z metodami nieinwazyjnymi. Dodatkowo opisano przykłady technik wykorzystujących czujniki prądów błądzących, pojemnościowe i optyczne.

Słowa kluczowe

EN

jet engine; jet engine testing; measurement of temperature; pressure measurement; stress measurement; vibration measurement

PL

silnik odrzutowy; testowanie silników odrzutowych; pomiar temperatury; pomiar ciśnienia; pomiar naprężenia; pomiar drgań

• Wydawca: Oficyna Wydawnicza Politechniki Rzeszowskiej
• Czasopismo: Zeszyty Naukowe Politechniki Rzeszowskiej. Mechanika
• Rocznik: 2011
• Tom: z. 83(279), nr 3
• Strony: 65--74
• Opis fizyczny: Bibliogr. 36 poz.

Twórcy

autor

Pękalski A.

• Politechnika Rzeszowska

Bibliografia

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