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Air enters the diffuser of a turbojet engine at 18 kPa, 216 K, with a volumetric flow rate of 230 m3/s and a velocity of 265 m/s. The compressor pressure ratio is 15, and its isentropic efficiency is 87%. Air enters the turbine at 1560 K and the same pressure as at the exit of the compressor. The turbine isentropic efficiency is 89%, and the nozzle isentropic efficiency is 97%. The pressure at the nozzle exit is 18 kPa. Use an air-standard analysis.
Determine the rate of heat input to the combustor, in MW.
Give a sketch of the mechanical linkage to lift the mass.
Assume that the bolt loads a square cross-section of the joint 1.625 = 1.625 in.2 in area and that the joint is loaded along a loading plane defined by n = 0.7. What is the radius of gyration (RG) of this joint?
The exit temperature, in °R
An aluminium wire of length 100 metres has a diameter of 8.5 millimetres at an initial temperature of 10 degrees C.What will be the length and volume of the wire when the temperature increases to 40 degrees C?The linear expansion coefficient of alumi..
Calculation of average pressure and upsetting force in forging and how to minimize barrelling effect - barrelling caused by friction can be minimized by applying an effective lubricant or ultrasonic vibration
A hydraulic cylinder has a piston diameter of 2.2 inches, a fluid pressure of 1100 psi, a flow rate of 132 cubic inches per minute, and a stroke of 10.5 inches. Find the force and the velocity generated by the piston.
a. consider a general water splitting system water-in h2- out o2- out. draw a schematic of this system idntifying all
Find the normal and shear stresses on planes with normals inclined at 75°, 65°, and 50° counterclockwise from a plane perpendicular to the longitudinal axis.
a non-ideal regenerative rankine cycle for a power plant shown below where there is no heat loss or pressure drops in
the old rigid tank problem a tank has a volume of 600 gallons and holds 300 lbm of water at 40 psig pressure. what is
The heat transfer coefficient from the outer surface of the plastic to the surroundings is 1.5 Btu/hr · ft2 · F. What is the maximum steady current, in amperes, that this wire can carry without heating any part of the plastic above its operating l..
Calculate the appropriate speed (in RPM) and table feed rate (in inches per minute) for face milling 1212 steel (Hb 125) with a 3 inch diameter, 8 tooth, coated carbide cutter. The part is only 2 inches across (this is relevant for selecting the radi..
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