The instantaneous opening speed of the relief valve spool reaches 15.7 m/s, and the hinge point between the top beam and the column is most sensitive to the hysteresis effect (impact coefficient increases by 0.63). Keywords: hydraulic support; rotary impact; dynamic response; mechanical-hydraulic...
applied sciences Article Microwave Deicing Efficiency: Study on the Difference between Microwave Frequencies and Road Structure Materials Longting Ding 1,* , Xuancang Wang 1,*, Wengang Zhang 2 , Shuai Wang 1, Jing Zhao 1 and Yongquan Li 3 1 School of Highway, Chang'an University, Xi'an ...