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In an automotive gas turbine the centrifugal compressor is driven at 40,000 rpm by an axial turbine. The compressor impeller is 180 mm dia. With radial vanes and there is no inlet swirll the slip factor is 0.9 and the isentropic efficiency is 80% If there is a 5% loss in total pressure in the intervening combustion system in where the air is heated to 950C, determine the static head efficiency required of the turbine if the total pressure of its exhaust is not to be less than 1.6 bar and the exhaust velcotiy is 300 m/s. Ambient condition are 300K and 1 bar, and for air take Cp=1.01 kj/Kg K and sp. Heat ratio = 1.4, formthe gases take Cp= 1.15 kJ/kgK and sp. Heat ratio = 1.33.
define mach number and determine the type of speed an aircraft is flying if the aircraft speed is 880 mph at an
according to a brochure from dow chemical company the pressure drop for water flowing through a bed of 20-mesh to
The heat transfer coefficient in the oven is 25W/m^2K. Calculate rate of heat transfer per m^2 area.
Determine the maximum normal stress in a 300-mm diameter basketball that has a 2-mm wall thickness after it has been inflated to a pressure of.
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a closed tank having a volume of 2ft3 is filled with 0.30 lb of a gas. a pressure gage attached to the tank reads 12
Analyze the given plant for its performance in time and frequency domains (transient response, Routh-Hurwitz test, root locus, Nyquist criterion, Bode plot, Nichols chart).
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