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Yadong Zhu, Haifeng Jiao, Shihui Wang, Wenbo Zhu, Mengcheng Wang and Songshan Chen
In order to study the pressure pulsation characteristics and structural dynamic response characteristics of a vertical shaft cross-flow pump, this study used a computational fluid dynamics (CFD) numerical simulation method to analyze the pressure pulsati...
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Yu Wang, Wenhang Zhang, Xiwen Luo, Ying Zang, Ligang Ma, Wenpeng Zhang, Jiahao Liu and Shan Zeng
The air-suction precision seeder for small seeds is a planting machine, characterized by precision, high efficiency, and ease of operation, that uses air suction technology to sow small grain seeds at set intervals and depths into the soil. However, the ...
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Jianming Kang, Chenshuo Xie, Qiangji Peng, Nannan Wang, Xiaoyu Wang and Yaoli Zhang
A tumbler screen-type residual film?impurity mixture wind separator is the key equipment for the secondary utilization of farmland residual film. During its operation, the proportion of impurities in the separated waste mulch film intermittently increase...
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Qi Liu, Juanmian Lei, Yong Yu and Jintao Yin
Obvious aeroelastic deformation occurs in spinning projectiles with large slenderness ratio, which seriously affects flight stability and maneuverability. This paper investigates the aeroelastic response of spinning projectiles with large slenderness rat...
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Haoran Pan, Wei Li, Kaikai Luo, Rui Wang, Liesheng Xiao and Zeqing Lian
Gas fuel control valves play important roles in the control of gas flow in high-precision gas turbines. To clarify the influence of coupling between the structure and the fluid system, a thermal fluid?solid coupling mechanism is presented based on numeri...
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Yong Liu, Jinting Wei, Hao Du, Zhenpeng He and Fangchao Yan
Taking an aviation hydraulic pipeline as the research object, a fluid?solid coupling vibration model of the pipeline system, considering the influence of the clamp, is established. The clamp is equivalent to the combined form of the constraint point and ...
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Xiaohua Bao, Xianlong Wu, Jun Shen, Shidong Wu, Xiangsheng Chen and Hongzhi Cui
The arrangement of multiple culverts has gradually increased in road engineering. However, the arrangement will face a series of risks in both the construction and operation stages. A numerical model was established to analyze the construction and operat...
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Tao He, Yingzhi Zhou, Yong Liu and Yang Xia
The cavitation phenomenon and shaft deformation have a significant impact on the tribological performance of the journal bearing. A mixed lubrication model is developed that takes into account surface roughness and asperity contact, as well as the effect...
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Banghua Zhao, Sujun Dong, Chen Ding and Zhiliang Cui
The present study proposes a novel optimization strategy (NOS) for quasi-steady algorithms to optimize the initial error in the fast calculation of conjugate heat transfer (CHT) simulations. In this approach, the change in Nusselt number at the fluid?sol...
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Lin Ke, Jinming Ye and Xiaoyu Zou
To reduce the structural vibration of the duct structure in pump-jet propulsors (PJPs) and lower the induced vibration noise, this study learned from the ?processor box? in an aero-engine and set a certain number of axial slots in the PJP. First, using f...
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