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. steam enters a group of convergent-divergent nozzles at a oressure of 2.2MPA and with a temperature of 260C. Equilibrium expansion through the nozzles to an exit pressure of 0.4MPA. Up to the throat the nozzles the flow can be assumed as frictionless. From throat to exit, however, there is an efficiency of expansion of 85%. The steam flow through the ozzles is 11 kg/sec. Find (a) the throat and exit velocity, (b) he throat and exit areas.

. steam enters a group of convergent-divergent nozzles at a oressure of 2.2MPA and with a temperature of 260C. Equilibrium expansion through the nozzles to an exit pressure of 0.4MPA. Up to the throat the nozzles the flow can be assumed as frictionless. From throat to exit, however, there is an efficiency of expansion of 85%. The steam flow through the ozzles is 11 kg/sec. Find (a) the throat and exit velocity, (b) he throat and exit areas.

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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7. steam enters a group of convergent-divergent nozzles at a pressure of 2.2MPA and with a temperature of 260C. Equilibrium expansion through the nozzles to an exit pressure of 0.4MPA. Up to the throat the nozzles the flow can be assumed as frictionless. From throat to exit, however, there is an efficiency of expansion of 85%. The steam flow through the nozzles is 11 kg/sec. Find (a) the throat and exit velocity, (b) the throat and exit areas.
Transcribed Image Text:7. steam enters a group of convergent-divergent nozzles at a pressure of 2.2MPA and with a temperature of 260C. Equilibrium expansion through the nozzles to an exit pressure of 0.4MPA. Up to the throat the nozzles the flow can be assumed as frictionless. From throat to exit, however, there is an efficiency of expansion of 85%. The steam flow through the nozzles is 11 kg/sec. Find (a) the throat and exit velocity, (b) the throat and exit areas.
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