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Standard atmospheric air [ To=288K, Po=101Kpa(abs) is drawn steadily through a frictionless adiabatic converging nozzle into an adiabatic constant area duct. The duct is 2m long and has an inside diameter of 0.1m, the average friction factor for the duct is estimated as being equal to 0.02. What is the maximum flow rate through the duct? For this maximum flowrate, determine the values of static temp, static pressure, stagnation temp, stagnation pressure, and velocity at the inlet section 1 and exit section 2 of the constant area duct. Sketch a temp-entropy diagram for this flow.
Determine the factor of safety in operation and the angle of twist per metre length.
Helium is to be compressed from 120kPa and 315K to 700kPa and 450K. A heat loss of 20kJ/kg occurs during the compression process. Neglecting kinetic energy changes, determine the power input required for a mass flow rate of 78kg/min. Round to nearest..
should electric power plants reject energy by heat transfer to large blocks of ice that are maintained by a
a steam power plant is to be built to provide 10 mw of electricity. the turbine to be used has an efficiency of 45 and
a horizontal pipeline is designed for a given e epsilon l q flow rate density viscosity and change in pressure and the
Air, modeled as an ideal gas, is compresses at steady state from 1 bar, 300 K, to 5 bar, 500K, with 150 kW of power input. Heat transfer occurs at a rate of 20 kW from the air to cooling water circulating in a water jacket enclosing the compressor. N..
Problem 1: A two rocket is fired vertically from rest at s = 0 with the acceleration shown and the position axis s pointing upward. After 15 seconds the first stage A burns out and the second stage B ignites. (a) Determine the acceleration of the ..
You want to know if you should replace the existing machines, which has a Cpk of 1.0. You decide to determine the Cpk for the new machines and make a decision on that basis.
a power plant using steam as the working fluid operates on a rankine cycle. the temperature at the condenser exit is
estimate the drag of a thin square plate 3m by 4m when it is towed through water 10 oc. assume a towing speed of about
a proton and an electron form two corners of an equilateral triangle of side length 3.0 multiplied by 10-6 m. what is
Find the position of the block at later times.
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