A piston with an outer diameter of 124.75 mm and a length of 75 mm is pushed upwards at a constant velocity of 6 m/s in a cylinder which has an inner diameter of 125 mm. A pressure of 1 kPa acts on the upper side of the piston and the piston has a mass of 2 kg. The gap between the piston and the cylinder is filled with an oil with a viscosity of 0.26 Ns/m^2. Determine the power that is required to push the piston upwards. (assume a linear velocity distribution in the gap)
A piston with an outer diameter of 124.75 mm and a length of 75 mm is pushed upwards at a constant velocity of 6 m/s in a cylinder which has an inner diameter of 125 mm. A pressure of 1 kPa acts on the upper side of the piston and the piston has a mass of 2 kg. The gap between the piston and the cylinder is filled with an oil with a viscosity of 0.26 Ns/m^2. Determine the power that is required to push the piston upwards. (assume a linear velocity distribution in the gap)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A piston with an outer diameter of 124.75 mm and a length of 75 mm
is pushed upwards at a constant velocity of 6 m/s in a cylinder which
has an inner diameter of 125 mm. A pressure of 1 kPa acts on the
upper side of the piston and the piston has a mass of 2 kg. The gap
between the piston and the cylinder is filled with an oil with a
viscosity of 0.26 Ns/m^2. Determine the power that is required to push the piston upwards.
(assume a linear velocity distribution in the gap)
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