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Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Ohhhhh plz solve all I request to I don't cancel it
: Problem 6- Analysis of a nozzle flow ( The stators in a gas turbine are designed to increase the kinetic energy of the gas passing through them adiabatically. Air enters a set of these nozzles at 300 psia and 700°F with a velocity of 86 ft/s and exits at 250 psia and 645°F. The specific heat of air at the average temperature of 672.5°F is cp = 0.253 Btu/lbm-R. a. Create a schematic representation of the nozzle and draw the boundary of the system needed to answer the next questions. Include the mass and energy interactions across the boundary. b. Create a governing equation for this nozzle from the general energy balance equation and cross-out any terms that are likely to be irrelevant or have little contribution in the equation. C. Calculate the velocity at the exit of the nozzles (in ft/s) d. List the assumptions and approximations that were needed to solve this problem. Identify (sketch) the two states of the working fluid (entrance and exit) on both a P-v diagram and a T-v diagram. e. f. Convert the outflow velocity to mph and comment on the validity of the results from this problem.
Transcribed Image Text:: Problem 6- Analysis of a nozzle flow ( The stators in a gas turbine are designed to increase the kinetic energy of the gas passing through them adiabatically. Air enters a set of these nozzles at 300 psia and 700°F with a velocity of 86 ft/s and exits at 250 psia and 645°F. The specific heat of air at the average temperature of 672.5°F is cp = 0.253 Btu/lbm-R. a. Create a schematic representation of the nozzle and draw the boundary of the system needed to answer the next questions. Include the mass and energy interactions across the boundary. b. Create a governing equation for this nozzle from the general energy balance equation and cross-out any terms that are likely to be irrelevant or have little contribution in the equation. C. Calculate the velocity at the exit of the nozzles (in ft/s) d. List the assumptions and approximations that were needed to solve this problem. Identify (sketch) the two states of the working fluid (entrance and exit) on both a P-v diagram and a T-v diagram. e. f. Convert the outflow velocity to mph and comment on the validity of the results from this problem.
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