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

Table 1

Geometrics of the spool valve.

Parameters	Value
l (mm)	7.98
l1 (mm)	1.5
l2 (mm)	1.0, 0.8, 0.6, 0.4, 0.2
l3 (mm)	0.1, 0.2, 0.4, 0.8, 1.6
K	0.125, 0.25, 0.5, 1
rsl (mm)	6
rsp(mm)	5.99
(degree)	0.0288, 0.0188
n (number of grooves)	2, 4, 6, 8