A compressor operating isothermally is to compress 2.83 m³/min of ammonium gas at 29.4°C and 102.7 kPa to 311.6 kPa. (a) Calculate the power required if the efficiency of the compressor is 75%. (b) Repeat the calculation if the compressor is uncooled and determine the outlet temperature*. (c) What is the percentage of power saved from isothermal operation and can this compressor be safely operated without cooling? *Note: y values for NH3 gas: YNH3=1.4.
A compressor operating isothermally is to compress 2.83 m³/min of ammonium gas at 29.4°C and 102.7 kPa to 311.6 kPa. (a) Calculate the power required if the efficiency of the compressor is 75%. (b) Repeat the calculation if the compressor is uncooled and determine the outlet temperature*. (c) What is the percentage of power saved from isothermal operation and can this compressor be safely operated without cooling? *Note: y values for NH3 gas: YNH3=1.4.
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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Transcribed Image Text:A compressor operating isothermally is to compress 2.83 m³/min of ammonium gas at 29.4°C and 102.7
kPa to 311.6 kPa.
(a) Calculate the power required if the efficiency of the compressor is 75%.
(b) Repeat the calculation if the compressor is uncooled and determine the outlet temperature*.
(c) What is the percentage of power saved from isothermal operation and can this compressor be safely
operated without cooling?
*Note: y values for NH3 gas: YNH3=1.4.
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