Numerical investigations of combustion dynamics and thermo-mechanical stress in the ignition assistance system for small aircraft engines

S Kim, JI Ryu, SG Kang, AH Motily… - Combustion Science …, 2023 - Taylor & Francis
The utilization of ignition assistance devices offers an effective solution to overcome the
challenges associated with ignition control in the development of propulsion systems for …

A one-way coupling approach for simulating in-nozzle flow and spray characteristics of a pressure-swirl atomizer

Z Yue, H Liu, C Gao, S Cheng, H Wang, Z Zheng… - Physics of …, 2024 - pubs.aip.org
This article proposes a model framework coupling in-nozzle flow and external spray and
presents its application to the simulation of a commercial pressure-swirl atomizer, focusing …

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

S Kim, JI Ryu - Applications in Energy and Combustion Science, 2024 - Elsevier
This research examines the application of unsteady flamelet modeling to consider the
impact of turbulent-chemistry interaction (TCI) on a mixing-controlled spray flame. The model …

Predicting Leidenfrost Temperature and Effects of Impact Conditions on Droplet Size Distribution in Film-Boiling Regime

MFF Patwary, D Isik, SC Kong… - Journal of Fluids …, 2025 - asmedigitalcollection.asme.org
The interaction of a droplet with a solid wall is relevant in various engineering applications.
The properties of the resulting secondary droplets are determined by the wall temperature …

CFD-Aided Structural Rigidity Analysis for the Ignition Assistance Device Applicable to Small Aircraft Engines

S Kim, H Mehraj, T Lee, KS Kim, CBM Kweon… - … FORUM AND ASCEND …, 2024 - arc.aiaa.org
This study provides the dynamical behavior of thermomechanical stress acting on the
ignition assistant device embedded in a combustion engine for small aircraft propulsion …

Machine-Learning Based Prediction of Rate of Injection in High-Pressure Injector

L Yun, J Park, HS Sim - Journal of ILASS-Korea, 2024 - koreascience.kr
This study explores the rate of injection (ROI) and injection quantities of a solenoid-type high-
pressure injector under varying conditions by integrating experimental methods with …

Modeling approach and simulations of mechanical wall stress caused by thermal-spray impacting hot surfaces

S Kim, H Mehraj, T Han, T Lee, KS Kim… - … Conference on Liquid …, 2024 - hal.science
This research introduces a new method for numerically assessing the mechanical effects
caused by the impact of thermal spray on walls. The Spray-Induced Wall Stress (SIWS) …