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A Brayton gas turbine cycle has two stages of compression and two stages of expansion. The pressure ratio across each stage of the compressor and turbine is 3. The air enters each stage of the compressor at 300K and each stage of the turbine at 1200K. If the efficiency of each compressor is 80% and each turbine is 85% Determine: using variable specific heat method for: Case 1) no regenerator a) The back work ratio b) The thermal efficiency Case 2) a regenerator with 75% effectiveness a) The back work ratio b) The thermal efficiency
No heat interactions with the environment are allowed. You do not need to describe the details of the process that produces the maximum work, but you do need to describe the final state of the blocks fully.
Design life is 9630 hours, rotating at 250 rpm, load of 880 lbs, what is the basic design load rating (assuming no axial loads)?
module fea - finite element analysisnbspquestion 2 method to assess the value of your analysis outputnbspa what is the
a bullet of mass 0.06 kg is fired horizontally into a wooden block of mass 0.10 kg. the wooden block is suspended from
a standardized procedure is expected to produce washers with very small deviation in their thicknesses. suppose that 10
the suspended load exerts a force F=600 lb at A, and the weight of the bar OA is negligible. Determine the tensions at the cables and the reactions at the ball and socket support O
a 75-lb stoplight is suspended between two poles as shown in fignbspp3-27. neglect the weight of the flexible cables
Find the stress in both members shown below and what steel specifications (types of steel) are suitable for structural applications?
If the truck starts from rest when xD is zero, and moves forward with a constant acceleration of aD = 5 m/s2, determine the speed of the block at the instant xD = 3 m.
Coal is discharged from the tailgate of a dump truck with an initial velocity vA = 2 m/s A 50°. Determine the radius of curvature of the trajectory described by the coal.
determine the smallest horizontal force required to lift the 260- crate. the coefficient of static friction at all
(a) derive an expression for the net work transfer for the cycle. Prove that for a Stirling Cycle, the net work transfer is always from the system to the surroundings.
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