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Xu Gao, Chenyi Liu, Hongkai Zhang, Kunlin Yang, Yingjie Hu and Xiaofei Guo
In underground coal mines, the stability of the retracement channel in the surrounding rock is crucial for the safe and efficient retracement of the equipment and to guarantee the continuity of the retracement work. To reveal the deformation and damage m...
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Hye In Kim, Tae-Seong Roh, Hwanil Huh and Hyoung Jin Lee
With the growth of the satellite industry, the demand for a propulsion system for small launch vehicles and spacecraft has increased. Small liquid rocket engines may require Ultra-Low specific speed centrifugal pumps due to the low required thrust and vo...
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Xiangxiang Li, Wanchun Chen, Zhongyuan Chen, Ting Wang and Heng Shi
A fixed-time nonlinear circular guidance law that satisfies the impact time constraint is proposed. By utilizing the geometric principle that the length of a circular arc connecting the missile and the target can be analytically calculated, the exact exp...
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Juan María Terrones-Saeta, Jorge Suárez-Macías, Francisco Javier Iglesias-Godino and Francisco Antonio Corpas-Iglesias
Roads are currently essential links of communication and economic development. However, these roads are progressively requiring higher quality materials, implying a greater impact on the environment, in order to withstand the high levels of heavy vehicle...
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Víctor Revilla-Cuesta, Vanesa Ortega-López, Marta Skaf, Emiliano Pasquini and Marco Pasetto
The high wear resistance and toughness of electric arc furnace slag (EAFS) means that this industrial by-product can successfully replace natural aggregate in hydraulic or bituminous concretes that withstand vehicle traffic. This article validates the us...
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