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In an air standard regenerative gas turbine cycle,the pressure ratio is 5.air enters the compressor at 1 bar ,300 k and leaves at 490 K.the maximum temperature in the cycle is 1000k. what is the cycle efficiency,given that the efficiency of the regenrator and the adiabatic efficiency of the turbine are each 80%assume for air ,the ratio of specific heats is 1.4.
water at atmospheric pressure boils on the surface of a large horizontal copper tube. the heat ?ux is 90 of the
experiment can be used to investigate heat transfer associated with flow past cylindrical tubes either in isolation or
a gas refrigeration cycle with a pressure ratio of 3 uses helium as the working fluid. the temperature of teh helium is
determine the minimum value of basic dynamic loading rating for selecting ball bearing to 5000 hrs of operation with
the measured lapse rate at a given location was 3.8 degree f per 1000 ft and the surface temperature was 60 degree f.
a cantilever beam ab is loaded by a couple m0 at its free end see gure. the length of the beam is l 20m and the
design a container using differentiation that has a volume of 2500 litres. it must use the minimum amount of material.
What is the nozzle-exit-to-throat area ratio for case (a)? The gross thrust is the contribution to engine thrust made by the exhaust nozzle only.
you are designing an ex vivo artificial organ. the cells in the organ cannot tolerate shear stress in excess of 0.5 gcm
1. the contraption below has a face cam with an elliptic pro?le pushing a push rod against a spring. the face cam is
what is the maximal attainable speed of a bullet in m/s?
a fire hose needs to deliver 25 ls of water to a maximum height of 50 m above ground level. a find the stagnation
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