Research Article

An Accurate Mathematical Model and Experimental Research of Pressure Distribution in the Spool Valve Clearance Film

Table 6

The percentage of lateral force reduction in the case where P1 = 9 MPa.

n = 2n = 4n = 6n = 8

K = 0.125,0.6, 0.7, 1.2, 1.50.9, 1.4, 2.1,2.81.45, 1.5, 2.8, 2.82.7, 3, 3.1, 5.8
 = 0.288

K = 0.25,1.2, 1.4, 2.4, 3.21.7, 3.0, 4.4, 6.12.9, 3.1, 5.9, 6.33.4, 6, 9, 13.3
 = 0.288

K = 0.5,2.4, 2.8, 5.1, 7.33.5, 6.2, 9.7, 156.0, 6.5, 13.2, 177, 12.8, 21.8, 27
 = 0.288

K = 1,4.9, 6.3, 12.7, 22.27, 14.2, 29.2, 3112.5, 14.9, 36, 4114.9, 17.8, 40, 43
 = 0.288

K = 0.125,1.9, 2.3, 3.9, 5.22.7, 4.7, 7.0, 9.94.7, 5, 9.7, 13.75.5, 9.6, 15.1, 23.7
 = 0.188

K = 0.25,3.8, 4.7, 8.5, 12.45.4, 9.9, 16.1, 26.39.7, 11, 23, 27.411, 21.5, 30, 42.6
 = 0.188

K = 0.5,8.1, 10.8, 22.3, 42.411.4, 23.8, 32.4, 41.121, 27.5, 43.4, 44.923.9, 33.5, 45.1, 50
 = 0.188

K = 1,20.1, 34.8, 33.9, 4427.7, 36.5, 40, 45.629.9, 39, 45, 53.432.1, 43, 47.9, 54.5
 = 0.188