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1. A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F, 14.7 psi and a compression ratio of 16. The heat added in the combustion process is 400 Btu/lbm. If the thermal efficiency is 0.547 Determine: Using variable specific heat method 1) The highest temperature in the cycle 2) The mass flow rate of the air ...................... 2. 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
A cylindrical drill with radius r1 is used to bore vertically a hole through the centre of a sphere of radius r2.
the 2.4m wide portion abcd of an inclined cantilevered walk-way is partially supported by members ef and gh. knowing
A spherical balloon inflated sos that the volume is increasing at the rate of cubic meter/min. At what rate is the diameter increasing when the diameter is 12 m?
assignment 1problem 1determine the analytical solution for the maximum stress of the beam shown compare with stress
Show how did you do the maintenance during your workshop
experiment can be used to investigate heat transfer associated with flow past cylindrical tubes either in isolation or
Large stationary brayton cycly gas turbine power plant delivers a powr output of 100MW to an electric generator . Minimum temperature is 300K so T1= 300k max temp is 1600k
aif a rod of 1025 steel 0.5 m 19.7 in long is heated from 20 to 80 deg c 68 to 176 deg f while its ends are maintained
The cylinder of a water-cooled reciprocating compressor contains 0.05m^3 of air at 1.01bar. It is compressed isothermally to 8.0 bar. Determine the work input and the amount of heat rejected to the compressor cooling water.
Plot the spectral blackbody emissive power of the sun versus wavelength in the range of 0.01 micro m to 1000 micro m?
Use a suitable method to predict the racS,T variation along these plates when a= e= 0.1, 0.5, and 0.8 and emissions and reflections are diffuse.
Create a CAD model of the planar robot
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