Q3 : 3 4500 m³ / hr of air at 45 ° C DBT and 10 % RH enters an evaporative air cooler . The air leaves the air cooler at 80 % RH . Find , ( 1 ) Minimum water temperature at the basin of the air cooler . ( 2 ) The moisture rate added to the air . ( 3 ) The sensible and latent heat exchange . ( 4 ) The effectiveness of the air cooler . Q3:4500 m³/hr of air at 45 °C DBT and 10% RH enters an evaporative air cooler. The airleaves the air cooler at 80% RH. Find, (1) Minimum water temperature at the basinof the air cooler. (2) The moisture rate added to the air. (3) The sensible and latentheat exchange. (4) The effectiveness of the air cooler.

Answered: : 3 4500 m³ / hr of air at 45 ° C DBT…

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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Q3 : 3 4500 m³ / hr of air at 45 ° C DBT and 10 % RH enters an evaporative air cooler . The air leaves the air cooler at 80 % RH . Find , ( 1 ) Minimum water temperature at the basin of the air cooler . ( 2 ) The moisture rate added to the air . ( 3 ) The sensible and latent heat exchange . ( 4 ) The effectiveness of the air cooler .

Q3:
4500 m³/hr of air at 45 °C DBT and 10% RH enters an evaporative air cooler. The air
leaves the air cooler at 80% RH. Find, (1) Minimum water temperature at the basin
of the air cooler. (2) The moisture rate added to the air. (3) The sensible and latent
heat exchange. (4) The effectiveness of the air cooler.

Expert Solution

Step 1

Given-Information:-

Volume Flow Rate, $V = 4500 m^{3} / h r$

Dry Bulb Temperature, $T_{1} = 45 ° C$

Relative Humidity, $R H = 10 %$

Air Leaving Air Cooler, RH = 80 %

To-Determine:-

1. Minimum water temperature at the basin of the air cooler.

2. The moisture rate added to the air.

3. The sensible and latent heat exchange.

4. The effectiveness of the air cooler.

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