Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 01 Feb 2018 My Price 7.00

Brayton cycle gas turbine

A thermodynamic analysis of a proposed Brayton cycle gas turbine yields P = 5 MW of net power production. The compressor, at an average temperature of Tc = 400 °C, is driven by the turbine at an average temperature of Th =1000°C by way of an L =1-m-long, d = 70-mmdiameter shaft of thermal conductivity k = 40 W/m∙ K.

(a) Compare the steady-state conduction rate through the shaft connecting the hot turbine to the warm compressor to the net power predicted by the thermodynamics-based analysis.

(b) A research team proposes to scale down the gas turbine of part (a), keeping all dimensions in the same proportions. The team assumes that the same hot and cold temperatures exist as in part (a) and that the net power output of the gas turbine is proportional to the overall volume of the device. Plot the ratio of the conduction through the shaft to the net power output of the turbine over the range 0.005 m ≤ L ≤ 1 m. Is a scaled-down device with L = 0.005 m feasible?

Answers

Maurice Tutor
(5)
Status NEW Posted 01 Feb 2018 10:02 PM My Price 7.00

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