29   Artículos

 
en línea
Jungho Lee, Ingyu Lee, Seongphil Woo, Yeoungmin Han and Youngbin Yoon    
The spray and combustion characteristics of a gas-centered swirl coaxial (GCSC) injector used in oxidizer-rich staged combustion cycle engines were analyzed. The study focused on varying the recess ratio, presence of gas swirl, and swirl direction to imp... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Sara Bonuso, Pasquale Di Gloria, Guido Marseglia, Ramón A. Otón Martínez, Ghazanfar Mehdi, Zubair Ali Shah, Antonio Ficarella and Maria Grazia De Giorgi    
This study introduces an innovative approach involving the injection of hydrogen into a low-swirl, non-premixed flame, which operates with gaseous fuels derived from an air-blast atomizer designed for aero-engine applications. The aim is to characterize ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Ruoyan Wang, Xin Lin, Zezhong Wang, Kun Wu, Zelin Zhang, Jiaxiao Luo, Fei Li and Xilong Yu    
The combustion characteristics of a swirl-radial-injection composite fuel grain were experimentally and numerically investigated. This composite grain permits swirl-radial oxidizer injection based on three hollow helical blades, each having a constant ho... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Seongphil Woo, Jungho Lee, Ingyu Lee, Seunghan Kim, Yeoungmin Han and Youngbin Yoon    
The momentum flux ratio (MFR) significantly affects the mixing characteristics and combustion efficiency of propellants in rocket engine injectors. The spray characteristics of three gas-centered swirl-coaxial injectors used in a full-scale combustion te... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Penghui Li, Dong Yang, Zixuan Fang, Qingfei Fu and Lijun Yang    
Gelled fuels have promising applications in the aerospace field. Higher density and calorific value can be achieved with the addition of energetic metal particles to gelled fuels, which can also effectively improve the combustion efficiency of the fuel a... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Julio Ronceros, Carlos Raymundo, Eduardo Ayala, Diego Rivera, Leonardo Vinces, Gustavo Ronceros and Gianpierre Zapata    
This study delves into the examination of internal flow characteristics within closed (with nozzles) and open-end pressure-swirl atomizers (lacking nozzles). The number of inlet channels ?n? and the opening parameter ?C? were manipulated in this study, a... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Shuliang Xie, Gang Wang, Enmao Wang, Qiming Huang and Mingze Xia    
Coal fire remains one of the main hazards of underground work. Spontaneous coal fires cause serious casualties and property losses. At present, most of the studies on coal spontaneous combustion have been conducted on working faces shorter than 200 m. Ho... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Ge Hu, Qiongyao Qin, Wu Jin and Jianzhong Li    
Centrally staged combustion technique is often used in the military high-temperature-rise combustor. The pilot-stage structure affects the flow characteristics in the centrally staged combustor, which further affects the performance of ignition, combusti... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Wonjeong Hyun, Jina Kim, Heesang Chae and Changjin Lee    
The occurrence of low-frequency instability (LFI) appears to be related to multiple interactions among many complex physical processes, such as vortex shedding, boundary-layer oscillation, and additional combustion in the post-combustion chamber. In this... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Federica Farisco, Luisa Castellanos, Jakob Woisetschläger and Wolfgang Sanz    
Lean premixed combustion technology became state of the art in recent heavy-duty gas turbines and aeroengines. In combustion chambers operating under fuel-lean conditions, unsteady heat release can augment pressure amplitudes, resulting in component engi... ver más

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