Air at 20 ° C and 50% RH is channeled into the heating coil so that the temperature of the dry ball is 70 ° C. Then it is used for drying by passing it to a pile of granular pet food. The air exiting the pile has a dry ball temperature of 50 ° C. This air is then reheated to 80 ° C and flown to the other pile of pet food. The air coming out of the second dryer is in a saturated state. Draw the processes that occur from ambient air to saturated air from dryer 2 on a psychrometric diagram. Determine the amount of water removed in the first and second dryers per kg of dry air. a. first dryer (kg water / kg air). b. second dryer = (kg water / kg air)
Air at 20 ° C and 50% RH is channeled into the heating coil so that the temperature of the dry ball is 70 ° C. Then it is used for drying by passing it to a pile of granular pet food. The air exiting the pile has a dry ball temperature of 50 ° C. This air is then reheated to 80 ° C and flown to the other pile of pet food. The air coming out of the second dryer is in a saturated state. Draw the processes that occur from ambient air to saturated air from dryer 2 on a psychrometric diagram. Determine the amount of water removed in the first and second dryers per kg of dry air. a. first dryer (kg water / kg air). b. second dryer = (kg water / kg air)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Air at 20 ° C and 50% RH is channeled into the heating coil so that the temperature of the dry ball is 70 ° C. Then it is used for drying by passing it to a pile of granular pet food. The air exiting the pile has a dry ball temperature of 50 ° C. This air is then reheated to 80 ° C and flown to the other pile of pet food. The air coming out of the second dryer is in a saturated state. Draw the processes that occur from ambient air to saturated air from dryer 2 on a psychrometric diagram. Determine the amount of water removed in the first and second dryers per kg of dry air.
a. first dryer (kg water / kg air).
b. second dryer = (kg water / kg air)
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