分布式运动约束下悬臂输液管的参数共振研究 1)

王乙坤,王琳

PARAMETRIC RESONANCE OF A CANTILEVERED PIPE CONVEYING FLUID SUBJECTED TO DISTRIBUTED MOTION CONSTRAINTS 1)

Yikun Wang,Lin Wang

表1 两个不同流速值下输液管的前四阶无量纲固有频率

Table 1 The first four dimensionless natural frequencies of the pipe conveying fluid under two flow velocities

Natural First order Second order Third order Fourth order frequency ^1 ^2 以3 ^4 U0 = 6 6.27 17.64 52.00 104.60 U0 = 7 2.78 16.84 46.14 98.47