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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.
Define- hydraulic mean radius, hydraulic dept, section factor and most efficient dhannel cross section.
a mass of 200 grams of copper whose specific heat is 0.095 is heated to 100deg c and placed in 100 grams of alcohol at
for this problem we will be analyzing a power amplier that is surrounded by air at 25c while the case which is
1. air is compressed by a 30 kw compressor from p1 to p2. the air temperature is maintained constant at 25 oc
dry ice 560 g is introduced into an evacuated 20l container. the temperature rises and co2 vaporizes. if the pressure
Package Design Brief: Assume you are the packaging engineer for a large consumer products company. In this company, the Packaging Design Briefs are initiated by the marketing group and forwarded to the Package Engineering group.
for the vapor power cycle steam enters the at 3 mpa and 500 c and leaves at 70 kpa and 200 c. the system is operating
The outside wall surface of a 25 mm diameter metal tube (k=42 W/m*K) is maintained at 120 C. The tube is located in a room at 25 C and the convective heat transfer coefficient is 34 W/m^2*K. We'd like to increase heat transfer from the tube by adding..
How can you tell what kind of primary atomic bonding is present by noting where the involved elements are located on the periodic table? Describe how the electron negativity difference between atoms affects the ionic/covalent character of a bond.
As you stroll the isles of the local flea market, you come across a booth stocked with surplus permanent magnet brushed DC motors. Your eyes widen with excitement as you notice a particularly shiny gear motor priced at just $1.50. Whipping your trust..
the average electrical generating capacity of the united states was about 475000 mw in 2007. if trends continue this
one axis of a rrl robot is a linear slide with a total range of 950mm. the robotrsquosnbspcontrol memory has a 10 bit
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