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4. A spray chamber of 2metres length and 2.5 m' area has been used for adiabutic humidification and cooling air. Water is sprayed into the chamber through nozzles and the coefficient of heat transfer is found to be 1360 kcalh m"c. Air is passed at a rate of 3000 cubic meters per minute at 70"C, containing water vapour 0.014 kg per every year kg dry air. ) What exit temperature and humidity can be expected for the air? (ii) What is amount of makeup water ? Ans i) 32°C and 0.032 kgkg. assuming fully saturated i)54.10Skg'min

4. A spray chamber of 2metres length and 2.5 m' area has been used for adiabutic humidification and cooling air. Water is sprayed into the chamber through nozzles and the coefficient of heat transfer is found to be 1360 kcalh m"c. Air is passed at a rate of 3000 cubic meters per minute at 70"C, containing water vapour 0.014 kg per every year kg dry air. ) What exit temperature and humidity can be expected for the air? (ii) What is amount of makeup water ? Ans i) 32°C and 0.032 kgkg. assuming fully saturated i)54.10Skg'min

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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4. A spray chamber of 2metres length and 2.5 m' area has been used for adiabutic humidification and cooling air. Water is sprayed into the chamber through nozzles and the coefficient of heat transfer is found to be 1360 kcalh m"c. Air is passed at a rate of 3000 cubic meters per minute at 70"C, containing water vapour 0.014 kg per every year kg dry air. ) What exit temperature and humidity can be expected for the air? (ii) What is amount of makeup water ? Ans i) 32°C and 0.032 kgkg. assuming fully saturated i)54.10Skg'min
Transcribed Image Text:4. A spray chamber of 2metres length and 2.5 m' area has been used for adiabutic humidification and cooling air. Water is sprayed into the chamber through nozzles and the coefficient of heat transfer is found to be 1360 kcalh m"c. Air is passed at a rate of 3000 cubic meters per minute at 70"C, containing water vapour 0.014 kg per every year kg dry air. ) What exit temperature and humidity can be expected for the air? (ii) What is amount of makeup water ? Ans i) 32°C and 0.032 kgkg. assuming fully saturated i)54.10Skg'min
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