Dynamic aerodynamic characteristics and well structure optimization of high speed elevator
                                               TANG Ping1,2, LING Zhangwei1,2, WANG Xuebin1,2, CAI Weiyong1,2
（1.Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou 310020, China;2.Key Laboratory of Special Equipment Safety Testing Technology of Zhejiang Province, Hangzhou 310020, China)

Abstract: Aiming at the aerodynamic problem of highspeed elevator, the dynamic operation characteristics of the elevator and the well structure were studied and optimized. The dynamic operation of highspeed and superhighspeed elevators were taken as the analysis object, the elastic smoothing method combined with mesh reconstruction method was used to generate dynamic mesh. The complex turbulent aerodynamic characteristics in the dynamic operation process of elevators were simulated, and the law of aerodynamic drag in the dynamic operation process was studied. The elevator car drag and the pressure of the flow field were taken as the optimization parameters, the optimization design of the well structure was carried out. The influence of different blocking ratio and opening ratio on the dynamic operation characteristics of elevator was analyzed by establishing different calculation models of well structure. The results show that the air resistance of the elevator car is the largest at the end of the acceleration. When the blocking ratio is increased by 10%, the resistance of the car can be increased by 3 times. For opening ratio, it is advisable to be 0.25 and above.

Key words: high speed elevator; aerodynamic characteristics; elevator well; optimal design