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An air compressor is designed to compress ambient (assumed to be 100 kPa, 20C) to a pressure 1 MPa. The heat transfer rate to the ambient is anticipated to be equal to 10% of the power input to the compressor. The air enters at 50 m/s where the inlets cross-sectional area is 0.009 m2 and leaves at 120 m/s through the exit with cross-sectional area of .0005 m2. Determine 1) the exit -air temperature 2) the power input to the compressor.
estimate the convective heat-transfer coefficient for natural convection from a horizontal steam pipe. the outside
it is desired to compare the results of property predictions for water near or in the saturation region using a the
the wet feed material to a continuous dryer contains 50 wt water on a wet basis and is dried to 27 wt by countercurrent
What is the angular velocity Wcd (t)?
Double-pipe heat exchanger. This type of heat exchanger is composed of concentric pipes, with hot water flowing in the inner pipe while cold water flows in the annulus between the inner pipe wall and outer pipe wall.
What is the composition of the alloy and what is the temperature at which the first solid phase solidifies? (Estimates rounding to convenient numbers are sufficient.)
an open gas turbine is equipped with a regenerator. the compressor is 87nbspefficient with air entering the compressor
air flows past a 1-m diameter thin circular disk oriented normal to the flow. if the pressure distribution on the front
an internal combustion engine with clearance volume of 60 cm3 and compression ratio of 8.5 is modeled using the
H2O at 50 kPa and 200 degrees C is compressed in a reversible, isothermal process with steady flow until it exists as a saturated vapor. Find w, q, and draw on a t-s diagram and p-v diagram
air at 100 kpa and 27degc enters an isentropic compressor at a rate of 100 ls and leaves at 1000 kpa. determine the
Consider a 210 MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500o C and is cooled in the condenser to a pressure of 10 kPa. Show the cycle on a T-s diagram with respect to the saturation li..
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