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Steam in a counter flow condenser of a steam power plant is to be condensed at a temperature of 30C with cooling water from a nearby lake, which enters the tubes of the condenser at 14C and leaves at 22C. The surface area of the tubes is 45 m2 and the overall heat transfer coefficient is 2100 W/m2-K. Calculate the mass flow rate of cooling water needed and the rate of steam condensenation in the condenser.
the pressure of a gas inside a piston-cylinder device is initially balanced by an atmospheric pressure of 100kpa and an
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Finding exit velocity from air nozzle, Air enters a nozzle operating at steady state at 800 ºR with a negligible velocity and exits the nozzle at 570 ºR.
draw a free body diagram for each of the two situations. use the "radial" Newton's law to find the tension in the string at each of these situations.
to save energy stack gas from a furnace is used to dry rice. a gas containing 4.73 mol water is fed into the dryer as
an adiabatic gas turbine expands air at 3447 kpa and 427degc to 415 kpa and 120degc. if the volume flow rate at the
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