Hydraulic pump and motor equations - Printable Version +- Ski Area Operations (http://skiindustry.org:/forum) +-- Forum: Lift Maintenance & Electrical (/forumdisplay.php?fid=1) +--- Forum: Hydraulic Systems (/forumdisplay.php?fid=50) +--- Thread: Hydraulic pump and motor equations (/showthread.php?tid=251) |
Hydraulic pump and motor equations - Admin - 02-27-2015 06:44 PM Flow rate Q = D n / 1000 (1) where Q = flow rate (l/min) D = displacement (cm3/rev) n = revolutions (rpm) rev = revolution rpm = revolution per minute Shaft Torque T = D p / 20 π (2) where T = torque (Nm) p = pressure (bar) Shaft Power Ps = T n / 9554 (3) where Ps = shaft power (kW) Hydraulic Power Ph = Q p / 600 (4) where Ph = hydraulic power (kW) |