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Air discharges from an adiabatic nozzle at 15°C and 580 m/s. What is the temperature at the entrance of the nozzle if the entrance velocity is negligible? What is the maximum velocity attainable at the throat? Assume air to be ideal with Cp = (7/2)R %3D

Air discharges from an adiabatic nozzle at 15°C and 580 m/s. What is the temperature at the entrance of the nozzle if the entrance velocity is negligible? What is the maximum velocity attainable at the throat? Assume air to be ideal with Cp = (7/2)R %3D

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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1. Air discharges from an adiabatic nozzle at 15°C and 580 m/s. What is the temperature at the entrance of the nozzle if the entrance velocity is negligible? What is the maximum velocity attainable at the throat? Assume air to be ideal with Cp = (7/2)R 2. Wet steam at 1,100 kPa is throttled to 101.33 kPa, where its final temperature is 105°C. What is the quality of the steam in its initial state? 3. Propane gas at 12 bar and 423 K is throttled in a steady-state flow process to 1 bar. Estimate the entropy change of the propane caused by this process.
Transcribed Image Text:1. Air discharges from an adiabatic nozzle at 15°C and 580 m/s. What is the temperature at the entrance of the nozzle if the entrance velocity is negligible? What is the maximum velocity attainable at the throat? Assume air to be ideal with Cp = (7/2)R 2. Wet steam at 1,100 kPa is throttled to 101.33 kPa, where its final temperature is 105°C. What is the quality of the steam in its initial state? 3. Propane gas at 12 bar and 423 K is throttled in a steady-state flow process to 1 bar. Estimate the entropy change of the propane caused by this process.
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