Numerical Investigations of Combustion Dynamics and Thermo-Mechanical Stress in the Ignition Assistance System for Small Aircraft Engines

Kim, Sayop; Ryu, Je Ir; Kang, Sang-Guk; Motily, Austen H.; Numkiatsakul, Prapassorn; Alonso, Richard; Lee, Tonghun; Kriven, Waltraud M.; Kim, Kenneth S.; Kweon, Chol-Bum M.

doi:10.1080/00102202.2023.2278075

Combustion Science and Technology

2023

DOI: 10.1080/00102202.2023.2278075

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Numerical Investigations of Combustion Dynamics and Thermo-Mechanical Stress in the Ignition Assistance System for Small Aircraft Engines

Sayop Kim,

Je Ir Ryu,

Sang-Guk Kang

et al.

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2024

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Cited by 3 publications

References 41 publications

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Physiochemical View of Fuel Jet Impingement and Ignition Upon Contact with a Cylindrical Hot Surface

Kim,

Lee,

Kim

et al. 2024

Combustion and Flame

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Physiochemical View of Fuel Jet Impingement and Ignition Upon Contact with a Cylindrical Hot Surface

Kim,

Lee,

Kim

et al. 2024

Combustion and Flame

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On the use of flamelet model approach in analyzing the mixing-controlled spray flame dynamics

Kim,

Ryu

2024

Applications in Energy and Combustion Science

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Coupling analysis of cylinder block for two-stroke aviation piston engine

Pan,

He,

et al. 2024

International Journal of Engine Research

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The aluminum alloy block is a component of aircraft piston engine, and it is prone to fatigue cracks when working in a thermal mechanical coupling state for a long time. Establish a GT-POWER simulation model for a certain type of engine, verify the accuracy of the model, obtain boundary parameters such as temperature and pressure of the engine block under harsh operating conditions through the model, and divide the cylinder wall into gradients based on the engine operating conditions to obtain the surface heat transfer coefficient of the block, and then obtain the temperature field distribution of the engine body. The coupling analysis of the cylinder burst pressure and temperature field of the engine block under harsh working conditions showed that the maximum stress of the engine block was 292.55 MPa and the maximum deformation was 0.39 mm, with thermal load being the main factor causing deformation. Conduct a complete engine bench test, and under the 1000 h bench durability test, there are no cracks on the engine block, indicating that the design and analysis meet the requirements.

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Numerical Investigations of Combustion Dynamics and Thermo-Mechanical Stress in the Ignition Assistance System for Small Aircraft Engines

Cited by 3 publications

References 41 publications

Physiochemical View of Fuel Jet Impingement and Ignition Upon Contact with a Cylindrical Hot Surface

Physiochemical View of Fuel Jet Impingement and Ignition Upon Contact with a Cylindrical Hot Surface

On the use of flamelet model approach in analyzing the mixing-controlled spray flame dynamics

Coupling analysis of cylinder block for two-stroke aviation piston engine

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