Improved Delayed Detached Eddy Simulation of Combustion of Hydrogen Jets in a High-Speed Confined Hot Air Cross Flow II: New Results

被引：1

作者：

Bakhne, Sergei ^{[1
]}

Vlasenko, Vladimir ^{[1
]}

Troshin, Alexei ^{[1
]}

Sabelnikov, Vladimir ^{[1
]}

Savelyev, Andrey ^{[1
]}

机构：

[1] Cent Aerohydrodynam Inst TsAGI, Zhukovskii 140180, Russia

来源：

ENERGIES | 2023年 / 16卷 / 21期

基金：

俄罗斯科学基金会;

关键词：

combustion; turbulence; heat exchange; transverse jet; hybrid RANS-LES method; IDDES; roughness; nonlinear turbulence model; TURBULENCE; SCHEMES; LAYER; LES;

D O I：

10.3390/en16217262

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The improved delayed detached Eddy simulation (IDDES) approach used in the part I of this investigation to study the self-ignition and combustion of hydrogen jets in a high-speed transverse flow of hot vitiated air in a duct is extended in the following directions: (i) the wall boundary conditions are modified to take into account the optical windows employed in the experiments; (ii) the detailed chemical kinetic model with 19 reactions is used; (iii) a nonlinear turbulence model is implemented in the code to capture the secondary flows in the duct corners; (iv) the wall roughness model is adapted; (v) the synthetic turbulence generator is imposed upstream of the fuel injection. As a result of improving the mathematical and physical problem statements, a good agreement between the simulation and the experimental database obtained at the LAERTE workbench (ONERA) is achieved.

引用

页数：22

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