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ketch the process on a T-s diagram. Hint: Friction is the only potential source of irreversibilities here.) etermine the velocity of the steam at the outlet when the outlet pressure is 300 kPa. Vould a larger pressure at the exit, say 400 kPa, result in a larger or smaller exit velocity? Hint: Look at the trends of the relevant properties as the exit pressure increases.) here is an upper limit to the exit pressure of the diffuser. Identify which two properties you would use to "fix" the state of the steam at the outlet of the diffuser if you wanted to determ his maximum outlet pressure. What are the numerical values of these two properties under max outlet pressure condition? Hint: How small can the outlet velocity be for this to still be a steady flow device?)

ketch the process on a T-s diagram. Hint: Friction is the only potential source of irreversibilities here.) etermine the velocity of the steam at the outlet when the outlet pressure is 300 kPa. Vould a larger pressure at the exit, say 400 kPa, result in a larger or smaller exit velocity? Hint: Look at the trends of the relevant properties as the exit pressure increases.) here is an upper limit to the exit pressure of the diffuser. Identify which two properties you would use to "fix" the state of the steam at the outlet of the diffuser if you wanted to determ his maximum outlet pressure. What are the numerical values of these two properties under max outlet pressure condition? Hint: How small can the outlet velocity be for this to still be a steady flow device?)

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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Problem 2- Process in an adiabatic and frictionless diffuser Steam enters an adiabatic, frictionless diffuser at 200 kPa and 300°C with a velocity of 550 m/s and leaves at 300 kPa. Please answer the following. Sketch the process on a T-s diagram. (Hint: Friction is the only potential source of irreversibilities here.) Determine the velocity of the steam at the outlet when the outlet pressure is 300 kPa. Would a larger pressure at the exit, say 400 kPa, result in a larger or smaller exit velocity? (Hint: Look at the trends of the relevant properties as the exit pressure increases.) There is an upper limit to the exit pressure of the diffuser. Identify which two properties you would use to "fix" the state of the steam at the outlet of the diffuser if you wanted to determine this maximum outlet pressure. What are the numerical values of these two properties under this max outlet pressure condition? (Hint: How small can the outlet velocity be for this to still be a steady flow device?)
Transcribed Image Text:Problem 2- Process in an adiabatic and frictionless diffuser Steam enters an adiabatic, frictionless diffuser at 200 kPa and 300°C with a velocity of 550 m/s and leaves at 300 kPa. Please answer the following. Sketch the process on a T-s diagram. (Hint: Friction is the only potential source of irreversibilities here.) Determine the velocity of the steam at the outlet when the outlet pressure is 300 kPa. Would a larger pressure at the exit, say 400 kPa, result in a larger or smaller exit velocity? (Hint: Look at the trends of the relevant properties as the exit pressure increases.) There is an upper limit to the exit pressure of the diffuser. Identify which two properties you would use to "fix" the state of the steam at the outlet of the diffuser if you wanted to determine this maximum outlet pressure. What are the numerical values of these two properties under this max outlet pressure condition? (Hint: How small can the outlet velocity be for this to still be a steady flow device?)
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