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Dmitriy Gvozdyakov and Andrey Zenkov
This work presents a review of modern devices for spraying coal?water fuels. The efficiency of their operation was analyzed according to several criteria: the simplicity of their design (A), the fuel channel?s predisposition to clogging (B), durability i...
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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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Chengxiang Zhu, Jingxin Wang, Qingyong Bian, Chunyang Liu, Ning Zhao and Chunling Zhu
Ice accretion on the inner surface of a fuel tube can fall off and potentially block the filters and small orifices, which thereby restricts the fuel flow to the engines during the long flying of the aircraft in cold conditions. This might cause the engi...
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Chengze Wang, Huawei Lu, Xiaozhi Kong, Shiqi Wang, Dongzhi Ren and Tianshuo Huang
The high curvature of modern S-ducts causes a strong secondary flow, which seriously affects the uniformity of the compressor inlet flow. In this study, the flow control method of a pulsed jet was applied in the S-duct at an incoming Mach number of 0.4. ...
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Zhiqiang Sheng, Yu Dan, Lan Zhang and Bowen Zhong
Jet mixings of a coplanar alternating-lobe nozzle (CoALN), scarfing alternating-lobe nozzle (ScALN), sword alternating-lobe nozzle (SwALN), and sword and chevron alternating-lobe nozzle (SwChALN) were numerically investigated using three different far-fi...
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Ji Zhang, Daoning Yang, Yi Wang and Dongdong Zhang
The present proposed mixing enhancement strategy can be a good candidate for application in Scramjet and RBCC combustors of hypersonic propulsion systems.
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Yi Han, Chibing Shen, Zhaobo Du and Haoran Tang
In the scramjet engine, the injection and mixing of fuel are the basis for organizing efficient combustion. The shock wave/jet shear layer interaction is one of the methods used to enhance fuel mixing in supersonic flow. In this research, the effect of t...
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Qi Jing, Wanwu Xu, Wei Ye and Zhiyan Li
Supersonic mixing layer development seriously impacts on the performance of an ejector, and the effect of mixing chamber contraction angle on supersonic jet mixing has been poorly studied. Numerical simulations are applied to investigate the effect of th...
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Yufeng Zhao, Junshi He, Xiaohui Yan and Jianwei Liu
In order to predict the dilution characteristics of vertical buoyant jets constrained by lateral obstructions, we propose a new method based on a commonly used machine learning algorithm: the adaptive neuro-fuzzy inference system (ANFIS). By using experi...
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Seyed Ahmad Reza Saeidi Hosseini, Abdolmajid Mohammadian, Philip J. W. Roberts and Ozeair Abessi
Wastewaters are commonly discharged into the seas and oceans through multiport diffusers. Accurate prediction of the complex interactions of multiport diffusers with the receiving water bodies is significant for the optimal design of outfall systems and ...
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