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Junjie Pan, Xin Lin, Zezhong Wang, Ruoyan Wang, Kun Wu, Jinhu Liang and Xilong Yu
This study investigated combustion characteristics of composite fuel grains designed based on a modular fuel unit strategy. The modular fuel unit comprised a periodical helical structure with nine acrylonitrile?butadiene?styrene helical blades. A paraffi...
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Yi Wang and Chunxin Yang
A parafoil is a crucial aerodynamic deceleration device used in the field of airdrop. The overall objective of this paper is to study the aerodynamic characteristics of the curving process of the canopy using the lattice Boltzmann method, to verify it wi...
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Yaogen Peng, Huijun Mao, Zhichao Liu and Cheng Wei
Natural ventilation is one of the vital means for passive energy-efficient design in green buildings. As a widely used building façade, the perforated plate is mostly utilized for appearance decoration, noise absorption, and sun shading, but its impact o...
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Huanteng Sun, Yunzhu Ma and Qingshan Cai
In this paper, the AUTODYN/Smoothed Particle Hydrodynamics (SPH) method was used to study the impact of reactive fragments on three-layer equidistant steel plates. The perforation characteristics of equidistant three-layer steel plates were investigated ...
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Hongbo Liu, Bin Wu, Jianghui Zhang, Yungang Bai, Xianwen Li and Bo Zhang
Interlayer soil is common in southern Xinjiang, because interlayer can reduce the infiltration rate of soil water. To simulate the interlayer soil in heavy saline?alkali cotton fields, this paper adopted a vertical one-dimensional infiltration test. T1 (...
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Wanting Yang, Weidong Jia, Mingxiong Ou, Wei Zhong, Li Jiang and Xiaowen Wang
In the process of applying plant protection sprays, the atomisation process of complex pesticide components such as emulsion pesticides is different from that of water. Indeed, emulsion is often used as an additive to spray to reduce drift. Therefore, th...
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Fattouh M. F. Shaker, Zekriat Mamdooh, Ahmed Deifalla and Mohamed M. Yehia
Cold-formed steel sections are becoming popular for different steel structures, because they have a high resistance against different straining actions, with a minimal weight compared with hard steel sections. Recently, perforated cold-formed steel (PCFS...
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Mikhail Y. Buntov, Pavel V. Makeev, Yuri M. Ignatkin and Vitaly S. Glazkov
The presented work is dedicated to the development of the mathematical model of a closed-type wind tunnel (WT) in a two-dimensional (2D) formulation based on the computational fluid dynamics (CFD) Unsteady Reynolds Averaged Navier Strokes Equations (URAN...
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Sarmad Dawood Salman Dawood and Mohammad Yazdi Harmin
Satellite systems undergo several operational phases during their service life, including the assembly phase, ground transportation phase, the launch phase, and the in-orbit operation phase. Among these phases, the one that imposes the highest level of l...
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Sarmad Dawood Salman Dawood, Ahmad Salahuddin Mohd Harithuddin and Mohammad Yazdi Harmin
Mass reduction is a primary design goal pursued in satellite structural design, since the launch cost is proportional to their total mass. The most common mass reduction method currently employed is to introduce honeycomb structures, with space qualified...
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