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A high performance engine has 7 main crankshaft bearings and runs at 17,500 rev min-1. Other data are given below. Assuming the engine is running at the oil reference temperature of 40oC, use Petrov's equation to determine the maximum power absorbed by the main bearings. Comment on whether this would be likely in reality.
Three cylinder weighing 100N each and of 80 mm diameter are placed in a channel of 180 mm width as shown
a large compressed air storage tank with volume of 100 m3 is initially at 200 kpa and 288 k. the supply line valve is
Write a matlab code to calculate and plot the second explosion limit (2k1=k9[m] for the H2- air mixture with Phi=0.5 within temperature range of 500-1000k compare the line with the explosion limit in the textbook and see if they qualitatively agree. ..
a well-insulated turbine operating at a steady state develops 23 mw of power from a steam flow rate of 40 kgs. the
refrigerant 134a enters an adiabtic compressor as a saturated vapour at -20degree c and exits at 1mpa pressure. if the
Are you sure that the ERR you calculated is the only ERR? Why ? Are you sure that your recommendation to Samiran is correct? Justify your answer.
air at 68 degrees f and 1atm. flows over a flat plate at 114.8 fts. the plate is 29.5 in long and 12 in wide. the plate
two kilograms of air within a piston-cylinder assembly execute an ideal carnot power cycle within maximum and minimum
Assume compressor and turbine efficiencies of 80% and 85%. A) find nth, T4a? B) what is nth if sum of regenarate efficiency is 80% installed?
a uniform solid sphere of radius r 0.480 m and mass m 17.0 kg turns counterclockwise about a vertical axis through
air at 0.1 kgs is to be cooled from 140 c to 40 c in a heat exchanger. the coolant water is at 20c constant throughout
water flowing in a line at 60 lbfin2 saturated vapor is taken out through a valve at 14.7 lbfin2. what is the
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