@article{6e3fd9d86f554711af0726659ee73f27,
title = "Modeling of the spray-induced wall stress acting on the ignition assistance device",
abstract = "This research introduces a novel wall-stress model called the Spray-Induced Wall Stress (SIWS) model, which considers the effects of spray-wall impingement and the resulting formation of wall stress within the Lagrangian spray modeling framework. The primary objective of this paper is to provide a mathematical description of the fundamental physics underlying the model. Subsequently, the proposed model is validated using existing experimental data. The remainder of the study focuses on the practical application of the model to an ignition assistance device. Specifically, this device is installed in a compression ignition engine and designed to enhance ignition in aviation-fueled high-altitude aircraft propulsion systems. The research sheds light on the mechanical impulse caused by the high-speed impact of the spray jet, leading to the accumulation of mechanical stress on the rigid body of the ignition assistance device. Previous studies on fluid-structure interaction have only considered the interaction between the gas phase and the solid wall. However, the SIWS model incorporates the additional impact of the impinging liquid spray jet. Consequently, the simulated stress distribution on the ignition assistance device can be estimated by considering both the gas-phase-induced term and the spray-induced term simultaneously.",
author = "Sayop Kim and Roberto Torelli and Oruganti, {Surya Kaundinya} and Ryu, {Je Ir} and Tonghun Lee and Kim, {Kenneth S.} and Kweon, {Chol Bum M.}",
note = "The SIWS model, known as the ARL-SIWS model, was developed by Dr. Sayop Kim during his post-doctoral appointment at Argonne National Laboratory. The research was supported by the Army Research Laboratory under Cooperative Agreement Number W911NF-18-2-0282. Additionally, Dr. Kim received postdoctoral research funding from New York University Abu Dhabi. This research was carried out on the High-Performance Computing resources at New York University Abu Dhabi, with academic license support provided by Convergent Science. The submitted manuscript has been created by UChicago Argonne, LLC, Operator of Argonne National Laboratory (“Argonne”). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under Contract No. DE-AC02-06CH11357. The U.S. Government retains for itself, and others acting on its behalf, a paid-up nonexclusive, irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan. http://energy.gov/downloads/doe-public-access-plan . The views and conclusions presented in this document are solely those of the authors and do not necessarily reflect the official policies of the Army Research Laboratory or the U.S. Government. The U.S. Government has the right to reproduce and distribute reprints of this work for governmental purposes, regardless of any copyright notation included.",
year = "2023",
month = oct,
day = "1",
doi = "10.1063/5.0173360",
language = "English (US)",
volume = "35",
journal = "Physics of fluids",
issn = "1070-6631",
publisher = "American Institute of Physics",
number = "10",
}