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Xinli Li, Yansong Li, Dayong Hu, Wei Rao, Yufeng Qi, Qiang Yang and Gang Wang
The trim flap is an aerodynamic control surface capable of allowing Mars entry vehicles to improve landing performance during the most dangerous entry, descent, and landing (EDL) phase. In present work, a deployable trim flap system was proposed to meet ...
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Hongtao Liu, Linfeng Guo, Guangming Cao, Xidong Zhao, Pengfei Wang, Tianhong Huo, Gang Yang, Cheng Hao and Qiang Wang
Strata movement due to extraction of a longwall panel is of great significance both in terms of environment and ground control. Thick coal seam extraction is expected to severely disturb the overburden, which is critical. Most studies use only one or two...
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