Flow Field Measurements in the Cavity of a Trapped Vortex Combustor Using PIV

作     者：Zhang Rongchun Fan Weijun 

作者机构：National Key Laboratory on Aero-Engines School of Jet Propulsion Beijing University of Aeronautics and Astronautics Beijing 100191 China 

出 版 物：《Journal of Thermal Science》 (热科学学报（英文版）)

年 卷 期：2012年第21卷第4期

页      码：359-367页

摘      要：The experimental research on cavity flow field plays an important part in the structural design and optimization study of trapped vortex combustor (TVC). Many of the previous flow field experiments were conducted in the cold condition instead of during combustion. This paper adopting PIV system and Lambda-2 vortex criterion in-vestigates the influence of various factors, such as equivalent ratio in the cavity, air intake parameter in the cavity, mainstream air intake parameter and mainstream holder structure, on cavity flow field for a TVC using methane as the fuel. The experimental research showed that cold-condition flow field differed from the combustion flow field, in terms of either vortex core position or vortex structure. Mainstream air intake velocity and cavity air intake velocity affected the flow field structure. U-type and V-type mainstream holders had significant influence on cavity flow field.

主 题 词：流场参数 燃烧室 PIV技术 驻涡 测量 结构设计 进气速度 PIV系统 

学科分类：080703[080703] 08[工学] 082502[082502] 0807[工学-电子信息类] 0805[工学-能源动力学] 0825[工学-环境科学与工程类] 0702[理学-物理学类] 

核心收录：

D　O　I：10.1007/s11630-012-0556-z

馆 藏 号：203857754...