Real-Gas-Flamelet-Model-Based Numerical Simulation and Combustion Instability Analysis of a GH<sub>2</sub>/LO<sub>X</sub> Rocket Combustor with Multiple Injectors

Real-Gas-Flamelet-Model-Based Numerical Simulation and Combustion Instability Analysis of a GH<sub>2</sub>/LO<sub>X</sub> Rocket Combustor with Multiple Injectors

A<b> </b>large eddy simulation (LES) and combustion instability analysis are performed using OpenFOAM for the multiple shear-coaxial injector combustor DLR-BKD (in German Deutsches Zentrum für Luft–Brennkammer D, German Aerospace Center–Combustion Chamber D), which is a laboratory-scale...

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Main Authors: Won-Sub Hwang, Bu-Kyeng Sung, Woojoo Han, Kang Y. Huh, Bok Jik Lee, Hee Sun Han, Chae Hoon Sohn, Jeong-Yeol Choi
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:Energies
Subjects:
large-eddy simulation (LES)
DLR-BKD combustor
Redlich–Kwong–Peng–Robinson equation of state
steady laminar flamelet model
combustion instability
Online Access:https://www.mdpi.com/1996-1073/14/2/419
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spelling doaj-ce8bdc0a77214fe0bb3434a30edad74f2021-01-14T00:05:05ZengMDPI AGEnergies1996-10732021-01-011441941910.3390/en14020419Real-Gas-Flamelet-Model-Based Numerical Simulation and Combustion Instability Analysis of a GH<sub>2</sub>/LO<sub>X</sub> Rocket Combustor with Multiple InjectorsWon-Sub Hwang0Bu-Kyeng Sung1Woojoo Han2Kang Y. Huh3Bok Jik Lee4Hee Sun Han5Chae Hoon Sohn6Jeong-Yeol Choi7Department of Aerospace Engineering, Pusan National University, Pusan 46241, KoreaDepartment of Aerospace Engineering, Pusan National University, Pusan 46241, KoreaDepartment of Mechanical Engineering, Pohang University of Science and Technology, Pohang 37673, KoreaDepartment of Mechanical Engineering, Pohang University of Science and Technology, Pohang 37673, KoreaInstitute of Advanced Aerospace Technology, Seoul National University, Seoul 08826, KoreaDepartment of Mechanical Engineering, Sejong University, Seoul 05006, KoreaDepartment of Mechanical Engineering, Sejong University, Seoul 05006, KoreaDepartment of Aerospace Engineering, Pusan National University, Pusan 46241, KoreaA<b> </b>large eddy simulation (LES) and combustion instability analysis are performed using OpenFOAM for the multiple shear-coaxial injector combustor DLR-BKD (in German Deutsches Zentrum für Luft–Brennkammer D, German Aerospace Center–Combustion Chamber D), which is a laboratory-scale combustor operating in a real-gas environment. The Redlich–Kwong–Peng–Robinson equation of state and steady-laminar flamelet model are adopted in the simulation to accurately capture the real-gas combustion effects. Moreover, the stable combustion under the LP4 condition is numerically analyzed, and the characteristics of the combustion flow field are investigated. In the numerical simulation of the combustion instability, the instability is generated by artificially superimposing the 1st transverse standing wave solution on the stable combustion solution. To decompose the combustion instability mode, the dynamic mode decomposition method is applied. Several combustion instability modes are qualitatively and quantitatively identified through contour plots and graphs, and the sustenance process of the limit cycle is investigated.https://www.mdpi.com/1996-1073/14/2/419large-eddy simulation (LES)DLR-BKD combustorRedlich–Kwong–Peng–Robinson equation of statesteady laminar flamelet modelcombustion instability
collection DOAJ
language English
format Article
sources DOAJ
author Won-Sub Hwang
Bu-Kyeng Sung
Woojoo Han
Kang Y. Huh
Bok Jik Lee
Hee Sun Han
Chae Hoon Sohn
Jeong-Yeol Choi
spellingShingle Won-Sub Hwang
Bu-Kyeng Sung
Woojoo Han
Kang Y. Huh
Bok Jik Lee
Hee Sun Han
Chae Hoon Sohn
Jeong-Yeol Choi
Real-Gas-Flamelet-Model-Based Numerical Simulation and Combustion Instability Analysis of a GH<sub>2</sub>/LO<sub>X</sub> Rocket Combustor with Multiple Injectors
Energies
large-eddy simulation (LES)
DLR-BKD combustor
Redlich–Kwong–Peng–Robinson equation of state
steady laminar flamelet model
combustion instability
author_facet Won-Sub Hwang
Bu-Kyeng Sung
Woojoo Han
Kang Y. Huh
Bok Jik Lee
Hee Sun Han
Chae Hoon Sohn
Jeong-Yeol Choi
author_sort Won-Sub Hwang
title Real-Gas-Flamelet-Model-Based Numerical Simulation and Combustion Instability Analysis of a GH<sub>2</sub>/LO<sub>X</sub> Rocket Combustor with Multiple Injectors
title_short Real-Gas-Flamelet-Model-Based Numerical Simulation and Combustion Instability Analysis of a GH<sub>2</sub>/LO<sub>X</sub> Rocket Combustor with Multiple Injectors
title_full Real-Gas-Flamelet-Model-Based Numerical Simulation and Combustion Instability Analysis of a GH<sub>2</sub>/LO<sub>X</sub> Rocket Combustor with Multiple Injectors
title_fullStr Real-Gas-Flamelet-Model-Based Numerical Simulation and Combustion Instability Analysis of a GH<sub>2</sub>/LO<sub>X</sub> Rocket Combustor with Multiple Injectors
title_full_unstemmed Real-Gas-Flamelet-Model-Based Numerical Simulation and Combustion Instability Analysis of a GH<sub>2</sub>/LO<sub>X</sub> Rocket Combustor with Multiple Injectors
title_sort real-gas-flamelet-model-based numerical simulation and combustion instability analysis of a gh<sub>2</sub>/lo<sub>x</sub> rocket combustor with multiple injectors
publisher MDPI AG
series Energies
issn 1996-1073
publishDate 2021-01-01
description A<b> </b>large eddy simulation (LES) and combustion instability analysis are performed using OpenFOAM for the multiple shear-coaxial injector combustor DLR-BKD (in German Deutsches Zentrum für Luft–Brennkammer D, German Aerospace Center–Combustion Chamber D), which is a laboratory-scale combustor operating in a real-gas environment. The Redlich–Kwong–Peng–Robinson equation of state and steady-laminar flamelet model are adopted in the simulation to accurately capture the real-gas combustion effects. Moreover, the stable combustion under the LP4 condition is numerically analyzed, and the characteristics of the combustion flow field are investigated. In the numerical simulation of the combustion instability, the instability is generated by artificially superimposing the 1st transverse standing wave solution on the stable combustion solution. To decompose the combustion instability mode, the dynamic mode decomposition method is applied. Several combustion instability modes are qualitatively and quantitatively identified through contour plots and graphs, and the sustenance process of the limit cycle is investigated.
topic large-eddy simulation (LES)
DLR-BKD combustor
Redlich–Kwong–Peng–Robinson equation of state
steady laminar flamelet model
combustion instability
url https://www.mdpi.com/1996-1073/14/2/419
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