About the probes for measuring pulsations of pressure in the flowing part gas turbine engines

Abstract


Evaluation of the stability of GTE compressor is provided in the measurement of pressure fluctuations in the frequency range from several Hz to several kHz. Because the sensors of the pressure fluctuations can not be located at the measurement points due to excessive heat, vibration and limited space for their installation used the lead-in channels - acoustic probes. Proposed science-based methodology for calculating the frequency characteristics of the probes with corrective elements on which the developed software tools to select their parameters. The developed software can process the information derived using acoustic probes during engine tests. To verify the validity of computational models of probes at the Department of SNPP SGAU established test facilities and measurement and registration set in place to test their frequency.


About the authors

V. P. Shorin

Samara State Aerospace University

Author for correspondence.
Email: iam@ssau.ru

Russian Federation

Academician

Doctor of Technical Sciences

Professor

A. G. Gimadiev

Samara State Aerospace University

Email: iam@ssau.ru

Russian Federation

Professor

N. D. Bystrov

Samara State Aerospace University

Email: iam@ssau.ru

Russian Federation

Professor

S. A. Ilinskij

JSC «KUZNETSOV», Samara

Email: sntk@sntk.saminfo.ru

Russian Federation

Chief of a Department

References

  1. Климнюк, Ю.И. Оптимизация конструкций компрессоров авиационных ГТД с учетом воздействия эксплуатационных неоднородностей воздушного потока [Текст] / Ю.И. Климнюк. - Самара: Изд-во Самар. науч. центра РАН, 2001. -249 с.
  2. Акустические методы и средства измерения пульсаций давления [Текст] / В.П. Шорин, Е.В. Шахматов, А.Г. Гимадиев [и др.] – Самара: Изд-во Самар. гос. аэрокосм. ун-та, 2007. - 132 с.

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