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Air with 100% humidity is not pleasant, even at 68°F. Air with 50% humidity at 68°F can be produced by cooling some air below 68°F and then mixing with some hot, humid air at 95°F. This process is shown in the schematic below. air: air: 95°F 4 95°F 3.20 wt% water cold air: 3.20 wt% water, 100% humidity cooler 3 mixer air: 154.0 kg/min water 68°F 4.7 kg/min 0.72 wt% water (50% humidity) Calculate the flow rate of stream 4, the hot, humid air into the mixer.

Air with 100% humidity is not pleasant, even at 68°F. Air with 50% humidity at 68°F can be produced by cooling some air below 68°F and then mixing with some hot, humid air at 95°F. This process is shown in the schematic below. air: air: 95°F 4 95°F 3.20 wt% water cold air: 3.20 wt% water, 100% humidity cooler 3 mixer air: 154.0 kg/min water 68°F 4.7 kg/min 0.72 wt% water (50% humidity) Calculate the flow rate of stream 4, the hot, humid air into the mixer.

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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Air with 100% humidity is not pleasant, even at 68°F. Air with 50% humidity at 68°F can be produced by cooling some air below 68°F and then mixing with some hot, humid air at 95°F. This process is shown in the schematic below. air: 4 95°F 3.20 wt% water air: 95°F cold air: 3.20 wt% water, 100% humidity cooler 3 mixer air: 154.0 kg/min water 68°F 4.7 kg/min 0.72 wt% water (50% humidity) Calculate the flow rate of stream 4, the hot, humid air into the mixer.
Transcribed Image Text:Air with 100% humidity is not pleasant, even at 68°F. Air with 50% humidity at 68°F can be produced by cooling some air below 68°F and then mixing with some hot, humid air at 95°F. This process is shown in the schematic below. air: 4 95°F 3.20 wt% water air: 95°F cold air: 3.20 wt% water, 100% humidity cooler 3 mixer air: 154.0 kg/min water 68°F 4.7 kg/min 0.72 wt% water (50% humidity) Calculate the flow rate of stream 4, the hot, humid air into the mixer.
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