* It required to design a ducting system to condition the building shown in figure (1). The uantity of outdoor is (20%) of supply air. Using information in table, find 1- The sensible and latent load for cooling coil. 2- The quantity and condition of supply air to each place. 3- By using equal pressure drop method, design the rectangular ducting system with maximum height side (600mm). 4- Illustrate the all process on psychometric chart. Outdoor 45 °C db & 30% RH Out let type Celling conditioning indoor conditioning 24 °C db & 50% RH diffuser Number of diffuser 2 for each place 15 kpa 10 kpa 15 kpa By pass factor Apparatus dew point 9°C Ap losses diffuser Ap losses filter Ap losses coil 0.15 R/w 1.5 бm бm бm Room (1) Room (2) RSH=6KW Room (3) 4m RSH=8KW RSH=8KW RLH=2KW RLH=1KW RLH=2KW 2m AHU Mechanical Room (4) RSH=20KW 4m Room RLH=3KW 4m 14m

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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* It required to design a ducting system to condition the building shown in figure (1). The
uantity of outdoor is (20%) of supply air. Using information in table, find
1- The sensible and latent load for cooling coil.
2- The quantity and condition of supply air to each place.
3- By using equal pressure drop method, design the rectangular ducting system with
maximum height side (600mm).
4- Illustrate the all process on psychometric chart.
Outdoor
45 °C db & 30% RH
Out let type
Celling
conditioning
indoor conditioning 24 °C db & 50% RH
diffuser
Number of diffuser
2 for each
place
15 kpa
10 kpa
15 kpa
By pass factor
Apparatus dew point 9°C
Ap losses diffuser
Ap losses filter
Ap losses coil
0.15
R/w
1.5
бm
бm
бm
Room (1)
Room (2)
RSH=6KW
Room (3)
4m
RSH=8KW
RSH=8KW
RLH=2KW
RLH=1KW
RLH=2KW
2m
AHU
Mechanical
Room (4)
RSH=20KW
4m
Room
RLH=3KW
4m
14m
Transcribed Image Text:* It required to design a ducting system to condition the building shown in figure (1). The uantity of outdoor is (20%) of supply air. Using information in table, find 1- The sensible and latent load for cooling coil. 2- The quantity and condition of supply air to each place. 3- By using equal pressure drop method, design the rectangular ducting system with maximum height side (600mm). 4- Illustrate the all process on psychometric chart. Outdoor 45 °C db & 30% RH Out let type Celling conditioning indoor conditioning 24 °C db & 50% RH diffuser Number of diffuser 2 for each place 15 kpa 10 kpa 15 kpa By pass factor Apparatus dew point 9°C Ap losses diffuser Ap losses filter Ap losses coil 0.15 R/w 1.5 бm бm бm Room (1) Room (2) RSH=6KW Room (3) 4m RSH=8KW RSH=8KW RLH=2KW RLH=1KW RLH=2KW 2m AHU Mechanical Room (4) RSH=20KW 4m Room RLH=3KW 4m 14m
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