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Total power required to overcome viscous resistance and wave drag is 11.4 MW. Use the perfomance characteristics of the marine propeller to estimate the diameter and operating speed required to propel the supertanker using a single propeler?
a cycle is characterized by the following three processes process 1-2 is defined to be a constant pressure expansion.
a large pipe carries steam as a two-phase liquid-vapor mixture at 1.0 mpa. a small quantity is withdrawn through a
Air at the rate of 18 kg/s is drawn into the compressor of a jet engine at 55 kPa and -23oC and is compressed reversibly and adiabatically to 276 kPa. Determine the required power input to the compressor expressed in horsepower.
The formula for the coefficient of performance 'COP' for air standard refrigeration cycle when we use cold air properties is not given in the text. Derive the expression for COP as function of the compression ratio similar to how the ideal Brayton..
a 0.2-cm-thick 10-cm-high and 15-cm-long circuit board houses electronic components on one side that dissipate a total
a thermoelectric device cools a small refrigerator and discards heat to the surroundings at 25c. the maximum electric
Coal is discharged from the tailgate of a dump truck with an initial velocity vA = 2 m/s A 50°. Determine the radius of curvature of the trajectory described by the coal.
a 0.5-m3 vessel contains 10 kg of refrigerant-134a at -20oc. determine a the pressure b the total internal energy and c
an ideal gas has a constant-pressure specific heat of 2.20 kjkgk and a molar mass of 16.04. eight kilograms of the gas
given a rectangular sample of ductile iron 60-40-18 with cross sectional dimensions 0.8 in x4 in calculate the stress
water is the working fluid in a vapor power cycle. the pressure and temperature at the turbine inlet are 1600 psia and
an air conditioner is used to cool and dehumidify air. we will ignore the temperature aspect and model the air
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