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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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Chengfei Tao, Rongyue Sun, Yichen Wang, Yang Gao, Lin Meng, Liangbao Jiao, Shaohua Liang and Ling Chen
This study experimentally explored the effects of equivalence ratio settings on ethanol fuel combustion oscillations with a laboratory-scale combustor. A contrary flame equivalence ratio adjusting trend was selected to investigate the dynamic characteris...
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Zhe Wang, Weisheng Xu, Qing Xu, Yangming Wang and Yingna Zhu
To investigate the mechanism of reinforcing soft soil with cement-mixing pile, based on ABAQUS secondary development, a numerical simulation study of the hydration reaction of cement-mixing piles was conducted. In this study, the influence of ground temp...
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Chenfeng Li, Jiayin Mao, Zixiong Kang, Shengzhu Zhao and Huilong Ren
The purpose of this paper is to investigate and evaluate the ship engine room fire spreading characteristics based on the effect of firefighting interventions. The large eddy simulation (LES) and theoretical models are employed to simulate a fire scene i...
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Wenxiong Xi, Hui Xu, Tianyang Dong, Zhiyong Lin and Jian Liu
To improve the flame propagation, combustion stability, and uniformity of the temperature field, multi-position injection is applied in a dual-mode combustor by controlling heat release in different locations. Using the chemical reaction of the finite ra...
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Nan Meng and Feng Li
Combustion instability constitutes the primary loss source of combustion chambers, gas turbines, and aero engines, and it affects combustion performance or results in a sudden local oscillation. Therefore, this study investigated the factors affecting fl...
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Dingli Zhang, Guozhong Huang, Haoxuan Li, Qing Deng and Xuehong Gao
Electric vehicle (EV) fire accidents are caused by multiple factors, including the traffic conditions, parking environment and firefighting facilities, and are a typical public safety issue in cities. Owing to the lack of accurate and quick estimation me...
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Lingjie Meng, Xuhui Liu, Qingxiang Hong, Yan Ji, Lingtao Wang, Qiuyang Zhang, Jie Chen and Changjiang Pan
In this study, inspired by the adhesion protein of mussels, a Zn2+-loaded polydopamine (PDA/Zn2+) coating was prepared on an alkali?heat-treated magnesium alloy surface, through the chelating effect of PDA with metal ions, to improve anticorrosion and bi...
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Yang Wang, Cheng Tian and Pengfei Yang
Ozone addition presents a promising approach for optimizing and regulating both combustion and ignition mechanisms. In Rotating Detonation Engines (RDEs), investigating the impact of ozone addition is particularly important due to the fact of their uniqu...
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Daniel Martinez-Sanchis, Andrej Sternin, Oskar Haidn and Martin Tajmar
Direct numerical simulations of non-premixed fuel-rich methane?oxygen flames at 20 bar are conducted to investigate the turbulent mixing burning of gaseous propellants in rocket engines. The reacting flow is simulated by using an EBI-DNS solver within an...
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