Answered: The air has a dry ball temperature of…

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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The air has a dry ball temperature of 34 °C and an initial wet bulb temperature of 24 °C is initially heated in a heater so that the temperature of the dry balls increases to 80 °C. Then the air is passed through the pile of corn kernels to dry. The air coming out of the corn kernels is at a dry bulb temperature of 55 °C. Then this air is passed to the dehumidifier to reduce its RH to 10%. Draw the course of this process of changing the air on a psychrometric diagram. The airflow rate through the corn kernels and dehumidifer piles was 4.0 m / s and the cross-sectional diameter of the piles was 0.7 m. count:

a. determine the amount of water lost from the pile of corn kernels (in grams / second)
b. determine the amount of water lost from the air when passing through the dehumidifier (in grams / second)

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