The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Direct Numerical Simulations of Swirling Spray Combustion Under Different Conditions
Author(s): 
Pages: 883-886
Year: Issue:  5
Journal: Journal of Engineering Thermophysics

Keyword:  液雾燃烧 直接数值模拟 旋流射流 非预混燃烧 预混燃烧;
Abstract: 采用有限差分方法对不同工况下三维旋流液雾燃烧进行了直接数值模拟,其中液滴的跟踪在拉格朗日框架中进行,液滴的蒸发相变采用无限热传导蒸发模型描述,气相燃烧采用自适应单步反应机理,模拟中采用的模型燃烧器尽可能逼近真实的燃气轮机旋流燃烧器。结果发现,旋流液雾燃烧流动和火焰结构受到旋流方式和当量比的影响,流场中出现了反平行排列的涡管结构,且各种工况下液雾燃烧火焰都是由贫燃预混火焰、富燃预混火焰、扩散火焰构成。这些给液雾燃烧的模型模拟带来了新的挑战。
Related Articles
No related articles found