Effect of fuel jet arrangement on the mixing rate inside trapezoidal cavity flame holder at supersonic flow |
| |
| Affiliation: | 1. Department of Surveying and Mapping Science and Technology, College of Mining Engineering, Taiyuan University of Technology, Taiyuan, 030024, China;2. Department of Automotive and Marine Engineering Technology, College of Technological Studies, The Public Authority for Applied Education and Training, Kuwait;3. Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran;4. Department of Chemical Engineering, School of Engineering & Applied Science, Khazar University, Baku, Azerbaijan;5. Department of Mechanical Engineering, Kermanshah University of Technology, Kermanshah, Iran;6. Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam;7. Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam;1. Automotive Engineering Research Institute, Jiangsu University, Zhenjiang 212013, China;2. Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran;3. Department of Chemical Engineering, School of Engineering & Applied Science, Khazar University, Baku, Azerbaijan;4. Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam;5. Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Vietnam;1. College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, People’s Republic of China;2. Hypervelocity Aerodynamics Institute, Chinese Aerodynamics Research and Development Center, Mianyang 621000, People’s Republic of China;1. Science and Technology on Scramjet Laboratory of Hypervelocity Aerodynamics Institute, CARDC, Mianyang, China;2. Facility Design and Instrumentation Institute of CARDC, Mianyang, China;1. Science and Technology on Scramjet Laboratory National University of Defense Technology, Changsha 410073, China;2. Department of Mechanical Engineering University of Sheffield, Sheffield S1 3JD, England, UK;1. Department of Aeronautics and Astronautics, The University of Tokyo, Japan;2. Kakuda Space Center, Japan Aerospace Exploration Agency, Japan |
| |
| Abstract: | Fuel mixing inside the supersonic combustion chamber is a significant process for development of modern scramjets. In this article, computational fluid dynamic (CFD) approach is applied to investigate the effect of various fuel injections on the mixing rate inside the supersonic combustion chamber. The mixing of hydrogen jets with four different arrangements inside the cavity flame holder is comprehensively studied. In order to examine the effect of multi jets within a cavity flameholder, a three-dimensional model is established and Navier-stocks equations are solved to simulate the flow and mixing zone inside a cavity region. Obtained results show that the injection of hydrogen jet from the bottom of cavity flame holder considerable enhances the ignition zone within the cavity. Moreover, the backward fuel injection is more superior to forward fuel injection since low-pressure vortex could significantly distribute the fuel and enlarge the mixing zone inside the cavity flame holder. |
| |
| Keywords: | Trapezoidal cavity Flame holder Multi fuel jets CFD Hydrogen mixing Supersonic jet |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
