UNITS (Propulsors) - Edubirdie

University:
Massachusetts Institute of Technology
Course:
2.611 | Marine Power and Propulsion
Academic year:

2021
Views:

113

Pages:

1
Author:

yayidlalak5e

UNITS (Propulsors) Quantity SI U.S. Mass, m kg slug Mass Flow Rate, m kg/s slug/s Thrust, T N ( or kN) lbf Torque, Q Nm (or kNm) lbf ft Density , ρ kg/m3 slugs/ft3 lb s2/ft4 Velocity , V m/s ft/s Rotational speed,n rps rps Useful Values: 1 knot = 1.688 ft/s = 0.5144 m/s 1 HP = 550 ft lbf/s = 0.7456 kW density (p) for sea water (59 F) = 1.9905 slugs/ft3 = 1025.9 kg/m3 kinematic viscosity (v) for sea water (59°F) = 1.18831xl0-6 m2/s = 1.2791xl05 ft2/s

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