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Part 1 An ideal gas is to flow isentropically from a large tank where the air is maintained at a temperature and pressure of 59 °F and 117 psia to standard atmospheric discharge conditions in a way to achieve a maximal velocity. Describe in general terms the kind of duct involved and determine the duct exit Mach number and velocity in ft/s if the gas is air. The problem can be solved either using the isentropic relations or this figure. The isentropic relations are more accurate, but difficult to use unless you code them into a computer program. (a) What is the pressure ratio for the flow? (b) is the exit flow subsonic, sonic, or supersonic? (c) What is the exit Mach number? (a) Pent/Po (b) (c) Mexi

Part 1 An ideal gas is to flow isentropically from a large tank where the air is maintained at a temperature and pressure of 59 °F and 117 psia to standard atmospheric discharge conditions in a way to achieve a maximal velocity. Describe in general terms the kind of duct involved and determine the duct exit Mach number and velocity in ft/s if the gas is air. The problem can be solved either using the isentropic relations or this figure. The isentropic relations are more accurate, but difficult to use unless you code them into a computer program. (a) What is the pressure ratio for the flow? (b) is the exit flow subsonic, sonic, or supersonic? (c) What is the exit Mach number? (a) Pent/Po (b) (c) Mexi

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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Part 2 * Incorrect. The temperature needs to be in degrees absolute. (a) What is the exit temperature? (b) What is speed of sound at the exit? (c) What is the exit speed? (a) Text (b) Cexit (c) Vexit 198.804 691.09 1959.93 R ft/s ft/s
Transcribed Image Text:Part 2 * Incorrect. The temperature needs to be in degrees absolute. (a) What is the exit temperature? (b) What is speed of sound at the exit? (c) What is the exit speed? (a) Text (b) Cexit (c) Vexit 198.804 691.09 1959.93 R ft/s ft/s
Part 1 An ideal gas is to flow isentropically from a large tank where the air is maintained at a temperature and pressure of 59 °F and 117 psia to standard atmospheric discharge conditions in a way to achieve a maximal velocity. Describe in general terms the kind of duct involved and determine the duct exit Mach number and velocity in ft/s if the gas is air, The problem can be solved either using the isentropic relations or this figure. The isentropic relations are more accurate, but difficult to use unless you code them into a computer program. (a) What is the pressure ratio for the flow? (b) is the exit flow subsonic, sonic, or supersonic? (c) What is the exit Mach number? (a) Pealt/Po-i (b) (c) Mexit"
Transcribed Image Text:Part 1 An ideal gas is to flow isentropically from a large tank where the air is maintained at a temperature and pressure of 59 °F and 117 psia to standard atmospheric discharge conditions in a way to achieve a maximal velocity. Describe in general terms the kind of duct involved and determine the duct exit Mach number and velocity in ft/s if the gas is air, The problem can be solved either using the isentropic relations or this figure. The isentropic relations are more accurate, but difficult to use unless you code them into a computer program. (a) What is the pressure ratio for the flow? (b) is the exit flow subsonic, sonic, or supersonic? (c) What is the exit Mach number? (a) Pealt/Po-i (b) (c) Mexit"
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