The Analysis of Two-phase Flow in a Lean Direct Injection Gas-turbine Combustor

被引：0
|
作者：
Lee, Kyobin [1 ]
Kim, Jong-Chan [1 ]
Sung, Hong-Gye [2 ]
机构：
[1] Korea Aerosp Univ, Dept Aerosp & Mech Engn, Goyang, South Korea
[2] Korea Aerosp Univ, Sch Aerosp & Mech Engn, Goyang, South Korea
来源：
JOURNAL OF THE KOREAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES | 2019年 / 47卷 / 03期
关键词：
Large Eddy Simulation; Two-Phase Flow; Gas-Turbine Combustor; Lean Direct Injection; Hollow-Cone Spray; LARGE-EDDY SIMULATION; SPRAY COMBUSTION; MODEL; JET;
D O I：
10.5139/JKSAS.2019.47.3.204
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The analysis on two-phase flow in a Lean Direct Injection(LDI) combustor has been investigat ed. Linearized Instability Sheet Atomization(LISA) and Aerodynamically Progressed Taylor Analogy Breakup(APTAB) breakup models are applied to simulate the droplet breakup process in h ollow-cone spray. Breakup model is validated by comparing penetration length and Sauter Mea n Diameter(SMD) of the experiment and simulation. In the LDI combustor, Precessing Vortex C ore(PVC) is developed by swirling flow and most droplets are atomized along the PVC. It has been confirmed that all droplets have Stokes number less than 1.0.
引用
收藏
页码：204 / 211
页数：8
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