e-journal

Accidental ignition in the engine intake system

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Purpose – The purpose of this paper is to describe studies of accidental ignition of fuel-air mixture. Studies were carried out in a laboratory that
contains the naturally aspirated aircraft engine LYCOMNIG 320B1A IO type used in the EM-11C Orka aircraft and the intake system to determine its
resilience to the effects of accidental ignition and the occurrence of a backfire.
Design/methodology/approach – Tests were performed on a model under extreme conditions (with the intake system closed) and under conditions
similar to normal operation using fuels of different combustion rates.
Findings – It was found that the positive pressure caused by such accidental ignition under normal operating conditions did not exceed 0.08 bar and
did not pose any hazard of damaging the intake system of the IO-320B1-type LYCOMNIG naturally aspirated aircraft engine, as designed by the aircraft
manufacturer.
Practical implications – The positive results of the tests of the EM11C Orka aircraft intake system’s resistance to flashback and other positive test
results for this aircraft have contributed to obtaining the EASA.A.115 Certificate and the EASA.21J.117 Certificate for the Design Unit, and the plane
was presented at the AERO – Friedrichshafen 2011 Exhibition.
Originality/value – The paper described how, in the laboratory, simulated extreme operating conditions of the naturally aspirated aircraft engine
intake system powered aircraft fuels with different burning speeds (aviation gasoline, hydrogen).

Keywords Ignition systems, Aircraft engines, Accidental ignition, Air intake system, Combustible mixture

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Ketersediaan

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Informasi Detail

Judul Seri

Aircraft Engineering and Aerospace Technology: An International Journal

No. Panggil

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Penerbit

: Emerald Group., 2013

Deskripsi Fisik

Aircraft Engineering and Aerospace Technology: An International Journal 85/1 (2013) 16–23

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

PENDIDIKAN

Info Detail Spesifik

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Pernyataan Tanggungjawab

Asmawati/Syahrial

Versi lain/terkait

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