A certain product is being dried in a small chamber at 30°C wet bulb temperature and 43°C dry bulb temperature. The net drying rate of the product is 1.40 kg H2O(v)/h. If outside air is saturated at 20°C: (product is being dried but air is increasing in moisture content)What are the absolute humidities of the outside air and the one in the chamber?Determine the amount of water removed from the product per kg of Dry Air.How much outside air (/min) is needed to carry out the evaporation? 1201251301353514014540455055Fo.0330.032Fo.031E0.030는0.029E0.0280.027Eo.026는0.025F0.024F0.0230.022는0,021E0.020Fo.019Fo.018F0.0170.95 Fo016는0,015Fo.014는0013Eo.01215°CE0.01120%10FO.010Eo.009는0,008는0,007E0.006Wet Bulb or Saturation Temperature.10%+0.2E0.005F0.004E0.003Eo.002+10-1015F0.0010.752025Dry Bulb Temperature, C3035F0.000.8045Below 0°C Properties and Enthalpy Deviation Lines Are For Ice500.8555Humid Volume, m'/kg Dry Air0.90Enthalpy At Saturation, kJ/kg Dry Air06100 105 110 11500150s Relative Humidity8'0Enthalpy Deviation kJkg Dry AirMoisture Content, kg/kg Dry Air

Given information: Chamber conditions: Wet-bulb temperature, Twet = 30°C Dry bulb temperature,…

Answered: 120 125 130 135 35 140 145 40 45 50 55…

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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Question

A certain product is being dried in a small chamber at 30°C wet bulb temperature and 43°C dry bulb temperature. The net drying rate of the product is 1.40 kg H₂O(v)/h.

If outside air is saturated at 20°C:

(product is being dried but air is increasing in moisture content)

What are the absolute humidities of the outside air and the one in the chamber?
Determine the amount of water removed from the product per kg of Dry Air.
How much outside air (/min) is needed to carry out the evaporation?

120
125
130
135
35
140
145
40
45
50
55
Fo.033
0.032
Fo.031
E0.030
는0.029
E0.028
0.027
Eo.026
는0.025
F0.024
F0.023
0.022
는0,021
E0.020
Fo.019
Fo.018
F0.017
0.95 Fo016
는0,015
Fo.014
는0013
Eo.012
15
°C
E0.011
20%
10
FO.010
Eo.009
는0,008
는0,007
E0.006
Wet Bulb or Saturation Temperature.
10%
+0.2
E0.005
F0.004
E0.003
Eo.002
+10
-10
15
F0.001
0.75
20
25
Dry Bulb Temperature, C
30
35
F0.00
0.80
45
Below 0°C Properties and Enthalpy Deviation Lines Are For Ice
50
0.85
55
Humid Volume, m'/kg Dry Air
0.90
Enthalpy At Saturation, kJ/kg Dry Air
06
100 105 110 115
001
50s Relative Humidity
8'0
Enthalpy Deviation kJkg Dry Air
Moisture Content, kg/kg Dry Air

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