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A spar buoy has a period T of vertical (heave) oscillation that depends on the waterline crosssectional area A, buoy mass m, and fluid specific weight γ. How does the period change due to doubling of
(a) the mass and
(b) the area?
Instrument buoys should have long periods to avoid wave resonance. Sketch a possible longperiod buoy design.
consider the belt and pulley system the pulley radius is 0.09 m and the motor inertia is jm 0.01 kgm2. calculate the
Saturated liquid water is compressed from 100 kPa (State 1) to 2.5 MPa (State 2) in an adiabatic pump having 85% isentropic efficiency. Calculate the specific work (kJ/kg) required for the compression of liquid water. Determine the entropy generation..
Calculate 01 the force ratio and movement ratio of each jack 00 the pressure within the hydraulic fluid - Describe the operation of a device which uses hydraulic pressure.
This problem came from the "kinematics of particles" part holding the "Determination of the motion of a particle" section, so use the formula relating to this section of this part.
process1-2 constant temperature expansion at 600 k from p10.5mpa tp p20.4mpaprocess 2-3 polytropic expansion with n1.4
The acceleration of a particle is defined by the equation a = -k*sqrt(v), where k is a constant. When t=0, the initial position is xo=0 and the initial velocity is vo=81ft/s. Knowing that v =36ft/s when x=18ft, determine the velocity of the particle ..
the turbine rotor in the power plant of a ship as shown in fig. 3 has a weight of 12.75 kn with centre of gravity at g
power from a 3200 hp motor is transmitted by a 2 12 in diameter shaft rotating at 2000 rpm. bending and axial loads are
Carbon-dioxide gas at 3MPa and 500 K flows steadily in a pipe at a rate of 0.4kmol/s. Determine a) the volume and mass flow rates and the density of carbon dioxide at this state. If CO2 is cooled at a constant pressure as it flows in the pipe so that..
Determine the rated value of the power coefficient CP and compare this with the value at the Betz limit. Assume the air density ρ = 1.2 kg/m3
Create a CAD model of the planar robot
refrigerant 134a is compressed with no heat transfer in a piston- cylinder assembly from 30 lbfin2 20 degrees f to 160
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