Engineering, 21.05.2020 23:58 jamilamiller200
A concentrating solar power (CSP) plant is planned for a site about 40 miles due south of Albuquerque, NM and about 10 miles east of the town of Belen, NM. The plant will operate with a steam power cycle with a low temperature of 50C, a boiler pressure of 80 bar, and a superheat maximum temperature of 350C. Use NREL’s "Solar Prospector" for solar resource evaluation. What is the approximate total solar concentrator aperture area required to achieve an 80 MW output for the power plant? (note: aperture area = solar concentrator projected area = width (aperture) x length of collector)
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Engineering, 04.07.2019 18:10
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
Answers: 2
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Engineering, 04.07.2019 18:10
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
Engineering, 04.07.2019 18:10
Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.
Answers: 1
A concentrating solar power (CSP) plant is planned for a site about 40 miles due south of Albuquerqu...
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