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2- A convergent-divergent nozzle received steam at 20 bar and 300 °C enters at the rate of 0.3 kg/s with negligible inlet velocity and expands into a space at 3 bar. (a) Assuming that the steam expands isentropicallly according to a law pv1.3 = constant, estimate the throat and exit areas of the nozzles without using h-s chart. (b) Re-calculate the throat and exit areas of the nozzle using the h-s chart and taking a coefficient of discharge of 0.98 and a coefficient of velocity as 0.92. %3D

2- A convergent-divergent nozzle received steam at 20 bar and 300 °C enters at the rate of 0.3 kg/s with negligible inlet velocity and expands into a space at 3 bar. (a) Assuming that the steam expands isentropicallly according to a law pv1.3 = constant, estimate the throat and exit areas of the nozzles without using h-s chart. (b) Re-calculate the throat and exit areas of the nozzle using the h-s chart and taking a coefficient of discharge of 0.98 and a coefficient of velocity as 0.92. %3D

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
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2- A convergent-divergent nozzle received steam at 20 bar and 300 °C enters at the rate of 0.3 kg/s with negligible inlet velocity and expands into a space at 3 bar. (a) Assuming that the steam expands isentropicallly according to a law pvl1.3 = constant, estimate the throat and exit areas of the nozzles without using h-s chart. (b) Re-calculate the throat and exit areas of the nozzle using the h-s chart and taking a coefficient of discharge of 0.98 and a coefficient of velocity as 0.92.
Transcribed Image Text:2- A convergent-divergent nozzle received steam at 20 bar and 300 °C enters at the rate of 0.3 kg/s with negligible inlet velocity and expands into a space at 3 bar. (a) Assuming that the steam expands isentropicallly according to a law pvl1.3 = constant, estimate the throat and exit areas of the nozzles without using h-s chart. (b) Re-calculate the throat and exit areas of the nozzle using the h-s chart and taking a coefficient of discharge of 0.98 and a coefficient of velocity as 0.92.
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