Large Eddy Simulation of rich ammonia/hydrogen/air combustion in a gas turbine burner

被引：49
作者：
Bioche, Kevin [1 ,3 ,4 ,5 ]
Bricteux, Laurent [5 ]
Bertolino, Andrea [2 ,3 ,4 ,6 ]
Parente, Alessandro [2 ,3 ,4 ]
Blondeau, Julien [1 ,3 ,4 ]
机构：
[1] Vrije Univ Brussel VUB, Fac Engn, Thermo & Fluid Dynam FLOW, Pl Laan 2, B-1050 Brussels, Belgium
[2] Univ Libre Bruxelles ULB, Ecole Polytech Bruxelles, Brussels, Belgium
[3] Vrije Univ Brussel VUB, Brussels Inst Thermal Fluid Syst & Clean Energy B, Brussels, Belgium
[4] Univ Libre Bruxelles ULB, Brussels, Belgium
[5] Univ Mons UMONS, Polytech Fac, Brussels, Belgium
[6] Politecn Milan, Dept Chem Mat & Chem Engn G Natta, I-20133 Milan, Italy
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2021年 / 46卷 / 79期
关键词：
Electro-fuel; Gas turbine; Large Eddy Simulation; Pollutant emissions; Kinetic mechanism reduction; LAMINAR BURNING VELOCITY; PREMIXED COMBUSTION; AMMONIA-HYDROGEN; SWIRL; FLAMES; CHEMISTRY; OXIDATION; NITROGEN; MODEL; REDUCTION;
D O I：
10.1016/j.ijhydene.2021.09.164
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ammonia and hydrogen are promoted as potential energy carriers for centralized energy restitution. This article investigates ammonia/hydrogen/air premixed turbulent combustion, using Large-Eddy Simulations, in an academic atmospheric gas turbine swirled burner. A one-dimensional flame analysis demonstrates the existence of a trade-off in NOX and NH3 emissions for ammonia/hydrogen blends, and the possibility to obtain 1D flame propagation characteristics close to that of a lean methane flame by adjusting the amount of H-2. Large-Eddy Simulations of the PRECCINSTA burner exhibit stable combustion, while the optimized trade-off equivalence ratio is pinpointed at f = 1.46 for X-H2(Fuel) = 0.46. Corresponding emissions are X-NOX =X-NH3 =300 ppmv. Large amounts of hydrogen are found in the exhaust gases, inducing a low combustion efficiency. The flame structure, combustion dynamics, influence of kinetics modelling and mesh resolution are discussed. This work paves the way for future studies, in the perspective of applications to industrial systems. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：39548 / 39562
页数：15
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