Condition Monitoring of Aircraft Engine Rotor System with Stiffness Anisotropy of Rotor Supports. Comparative Analysis of Accelerometers Mounting Schemes / Semenov S. V.,Nikhamkin M. Sh.,Sazhenkov N. A.,Semenova I. V. // . - 2016. - V. 4, l. . - P. 463-471.

ISSN/EISSN:

2363-698X / нет данных

Type:

Proceedings Paper

Abstract:

Elimination of dangerous vibration modes is one of the major issues in Modern aircraft engines designing. The main source of vibrations in gas-turbine engines is rotors (Khronin in Vibrations in aircraft engines. Mashinostroenie, Moscow, 1980). Aircraft engines weight reducing and applying of new engineering solutions (Inozemtsev et al. in Fundamentals of aircraft and power plants gas turbine engines construction, 2008) lead to appearing of shaft and case units stiffness decreasing tendency. This may cause a problem with supports stiffness anisotropy which leads to complexity of vibration modes. It is known that standard (in vertical plane of engine) accelerometer mounting scheme is not effective for detecting anisotropy of supports stiffness. Therefore it might be more useful to place sensor at the angle of 45 degrees to the weak and strong stiffness axes. Comparison of both mounting schemes was made on the base of experiments performed on the rotor test rig. During experimental investigation, supports accelerations, shaft displacements and shaft rotational speeds were obtained and analyzed. Comparative qualitative analysis for both mounting schemes was provided.

Author keywords:

Rotor dynamics; Stiffness anisotropy; Sensors mounting schemes; Accelerometers; Gas-turbine engines

DOI:

10.1007/978-3-319-20463-5\_35

Web of Science ID:

ISI:000375989600035

Соавторы в МНС:

—

Другие поля

Поле	Значение
Editor	Chaari, F and Zimroz, R and Bartelmus, W and Haddar, M
Booktitle	ADVANCES IN CONDITION MONITORING OF MACHINERY IN NON-STATIONARY OPERATIONS
Series	Applied Condition Monitoring
Note	4th International Conference on Condition Monitoring of Machinery in Non-Stationary Operations (CMMNO), Lyon, FRANCE, DEC 15-17, 2014
Publisher	SPRINGER-VERLAG BERLIN
Address	HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
Language	English
ISBN	978-3-319-20463-5; 978-3-319-20462-8
Research-Areas	Engineering
Web-of-Science-Categories	Engineering, Mechanical
Author-Email	sergey.semyonov@mail.ru nikhamkin@mail.ru sazhenkov\_na@mail.ru semenova-irina-v@mail.ru
Number-of-Cited-References	10
Usage-Count-Last-180-days	3
Usage-Count-Since-2013	11
Doc-Delivery-Number	BE7WX