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Shuyuan Liu, Yu Zhang, Limin Wang, Zhengchun Chen and Songqi Hu
The effect of mixing on coupled heat release and transfer performance of a novel segregated solid motor is numerically evaluated with a transient two-dimensional combustion model. The results show that vortex structures are formed and evolved in the comb...
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Alireza Kakoee, Jacek Hunicz and Maciej Mikulski
This paper presents a comprehensive investigation into the design of a methane oxidation catalyst aftertreatment system specifically tailored for the Wärtsilä W31DF natural gas engine which has been converted to a reactivity-controlled compression igniti...
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Bo Xu, Bing Chen, Jian Peng, Wenyuan Zhou and Xu Xu
To better understand the characteristics of coupled heat transfer in liquid rocket engines, a calculation scheme is proposed in this paper. This scheme can simulate the coupled heat transfer processes, including combustion and flow in the thrust chamber,...
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Donglong Zhou, Jianlong Chang and Huawei Shan
In the combustion chamber of scramjets, fuel jets interact with supersonic airflow in the form of a liquid jet in crossflow (LJIC). It is difficult to achieve adequate jet?crossflow mixing and the efficient combustion of fuel in an instant. Large eddy si...
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Di Sun, Yongzhou Li, Peijin Liu, Bofeng Chen and Wei Fan
A gas?solid-coupled sandwich combustion model was established for ammonium perchlorate (AP)/hydroxyl-terminated polybutadiene (HTPB) composite propellant. Numerical simulations were conducted to investigate the influence of the content of AP and the rela...
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Wei Li, Junfang Ma, Tao Zhu, Haiqiao Wei and Jiaying Pan
To evaluate the significance of the geometrical parameters of a passive pre-chamber on engine performance, this study investigated the design of a plug-and-play passive pre-chamber in a 15 L heavy-duty natural gas engine. Multi-dimensional numerical inve...
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Ming Lei, Wei Zhang, Jicheng Zhang, Dandan Wang, Min Yang and Xinhua Li
To ensure the safety of construction site personnel and to improve the efficiency of emergency safety evacuation of site personnel, this study analyzes the risk reasons for fire accidents and the characteristics of combustion fires on construction sites....
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Santiago Molina, Ricardo Novella, Josep Gomez-Soriano and Miguel Olcina-Girona
The increase in the overall global temperature and its subsequent impact on extreme weather events are the most critical consequences of human activity. In this scenario, transportation plays a significant role in greenhouse gas (GHG) emissions, which ar...
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Lingxiao Dong, Xiaole Huang, Jiyun Ren, Lei Deng and Yaodong Da
The coupled combustion of biomass and organic solid wastes including oil sludge has attracted much attention. Although the optimal mixing ratio of different coal types and biomass has been extensively studied, little attention has been paid to oil sludge...
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Fangfang Xu, Hong Li and Dongxu Zhang
The unstable combustion problem in small-sized solid rocket engines with a large aspect ratio is so complicated that its causes remain unclear. In this study, the coupled vibration between the sound field and shell in the engines was proposed as a possib...
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