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A dehumidifier was used to cool saturated air from 40 degrees Celsius to 35 degrees Celsius. The entering water mass velocity is 2500 kg/m². hr, while the dry air mass velocity is 1000 kg/m²-hr. The water is at 20 degrees Celsius. The overall heat transfer coefficient based on the air is 200 W/m³-K. If the air enters at 2000 L/min, what will be the absolute humidity of the entering air in kg. dry air per kg. water?

A dehumidifier was used to cool saturated air from 40 degrees Celsius to 35 degrees Celsius. The entering water mass velocity is 2500 kg/m². hr, while the dry air mass velocity is 1000 kg/m²-hr. The water is at 20 degrees Celsius. The overall heat transfer coefficient based on the air is 200 W/m³-K. If the air enters at 2000 L/min, what will be the absolute humidity of the entering air in kg. dry air per kg. water?

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
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A dehumidifier was used to cool saturated air from 40 degrees Celsius to 35 degrees Celsius. The entering water mass velocity is 2500 kg/m2- hr, while the dry air mass velocity is 1000 kg/m2-hr. The water is at 20 degrees Celsius. The overall heat transfer coefficient based on the air is 200 W/m3-K. If the air enters at 2000 L/min, what will be the absolute humidity of the entering air in kg. dry air per kg. water?
Transcribed Image Text:A dehumidifier was used to cool saturated air from 40 degrees Celsius to 35 degrees Celsius. The entering water mass velocity is 2500 kg/m2- hr, while the dry air mass velocity is 1000 kg/m2-hr. The water is at 20 degrees Celsius. The overall heat transfer coefficient based on the air is 200 W/m3-K. If the air enters at 2000 L/min, what will be the absolute humidity of the entering air in kg. dry air per kg. water?
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