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Technical Brief

Application of a non-adiabatic flamelet/progress-variable approach to LES of H2/O2 combustion under a pressurized condition

[+] Author and Article Information
Akihiro Kishimoto

Department of Mechanical Engineering and Science, and Advanced Research Institute of Fluid Science and Engineering, Kyoto University, Kyoto daigaku-Katsura, Nishikyo-ku, Kyoto 615-8540, JAPAN
kishimoto.akihiro.28x@st.kyoto-u.ac.jp

Hideki Moriai

Nagoya Guidance & Propulsion Systems Works, Mitsubishi Heavy Industries Ltd., 1200 Higashi Tanaka, Komaki, Aichi 485-8561, JAPAN
hideki_moriai@mhi.co.jp

Kenichiro Takenaka

Department of Mechanical Engineering and Science, and Advanced Research Institute of Fluid Science and Engineering, Kyoto University, Kyoto daigaku-Katsura, Nishikyo-ku, Kyoto 615-8540, JAPAN
takenaka.kenichiro.42w@st.kyoto-u.ac.jp

Takayuki Nishiie

Numerical Flow Designing CO., Ltd., 1-10-10 Higashi-Gotanda, Shinagawa-ku, Tokyo 141-0022, JAPAN
nishiie@nufd.jp

Masaki Adachi

Nagoya Guidance & Propulsion Systems Works, Mitsubishi Heavy Industries Ltd., 1200 Higashi Tanaka, Komaki, Aichi 485-8561, JAPAN
masaki_adachi@mhi.co.jp

Akira Ogawara

Nagoya Guidance & Propulsion Systems Works, Mitsubishi Heavy Industries Ltd., 1200 Higashi Tanaka, Komaki, Aichi 485-8561, JAPAN
akira_ogawara@mhi.co.jp

Ryoichi Kurose

Department of Mechanical Engineering and Science, and Advanced Research Institute of Fluid Science and Engineering, Kyoto University, Kyoto daigaku-Katsura, Nishikyo-ku, Kyoto 615-8540, JAPAN
kurose@mech.kyoto-u.ac.jp

1Corresponding author.

ASME doi:10.1115/1.4037099 History: Received February 17, 2017; Revised June 14, 2017

Abstract

A new non-adiabatic procedure of the flamelet/progress-variable approach (NA-FPV approach) is proposed, and the validity is assessed by performing a large-eddy simulation (LES) employing the NA-FPV approach for an O2/H2 combustion field in a single element coaxial combustor under a pressurized condition. The results show that the LES employing the NA-FPV approach can successfully predict the heat flux and capture the effects of heat loss through the cooled walls on the combustion characteristics. This procedure is quite useful especially for the numerical simulations of combustion fields with high temperatures, where there remain reactive radicals (e.g. OH, CH) with high concentrations, such as pressurized combustion, supercritical combustion, and oxygen combustion.

Copyright (c) 2017 by ASME
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