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At a certain location, wind is blowing steadily at 10 m/s. Determine the mechanical energy of air per unit mass and the power generation potential of a wind turbine with 60 m diameter blades at that location. Take the air density to be 1.25 kg/m.
a feedwater heater extracts steam from a turbine at 600 kpa and 250degc which it combines with 0.3 kgs of liquid at 600
communication satellites are placed in a geosynchronous orbitthat is in a circular orbit such that they complete one
consider a wind turbine with a 90-m blade span subjected to 25-kmh steady winds. if the combined turbine-generator
many commercial sinks and publicly-accessible showers have mixing valves underneath them which pre-mix the hot and cold
the eagle zr tire shown in the figure 1 is used on a corvette j with a test weight of 3500 lb. and having a 5248 weight
the bottom hole pressure in a well has been declining at a constant rate of 1.4 psiday. the reservoir characteristics
steam at 5mpa at 500 degrees enters a nozzle steadily with velocity of 80ms and leaves it at 2mpa at 400 degrees. the
the density of seawater at a free surface where the pressure is 98kpa is approximately 1030kgm3. taking the bulk
Calculate the mass flow (in slugs/per second) that comes out the exit of the engine. The plane is at standard altitude 50,000 ft and velocity = 2200 ft/s. Would appreciate attack to problem.
Two cargo trains each leave their respective stations at 1:00 p.m. and approach each other, one traveling west at 10 miles per hour and the other on separate tracks traveling east at 15 miles per hour. The stations are 100 miles apart. Find the time ..
Steam flowing at 3 kg/s through a nozzle operating at steady state expands from the inlet at 20 bar, 280 0 C to the exit at 7 bar, 180 0 C. The inlet velocity is 90 m/s. Neglecting heat transfer, determine (a) the exit velocity in m/s and (b) the inl..
air is adiabatically compressed in a non flow process from a pressure of 14.7 psia and a temp of 70 deg to 200 psia and
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