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Outdoor air conditions are: 28°C db, 19.5°C wb Return air conditions are: 22°C db, 50% RH. The mixture air condition outlet the cooling coil are: 10°C db, 0.00735 kg/kgda Draw the system on the Psychrometric chart, then calculate: 1. Cooling coil load. 2. Room sensible heat. 3. Room latent heat. 4. Fresh (outdoor) load. 5. Duct and fan heat gain 6. Sensible heat ratio SHR. If the supply air temperature increases with a value 1°K due to fan motor heat gain and 2°K due to duct heat gain.

Outdoor air conditions are: 28°C db, 19.5°C wb Return air conditions are: 22°C db, 50% RH. The mixture air condition outlet the cooling coil are: 10°C db, 0.00735 kg/kgda Draw the system on the Psychrometric chart, then calculate: 1. Cooling coil load. 2. Room sensible heat. 3. Room latent heat. 4. Fresh (outdoor) load. 5. Duct and fan heat gain 6. Sensible heat ratio SHR. If the supply air temperature increases with a value 1°K due to fan motor heat gain and 2°K due to duct heat gain.

Elements Of Electromagnetics
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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Example (1): An air conditioning equipment (figure) have the following: Supply air mass = 1.26 kg/s. The cooling coil receives 20 % outdoor air and 80% return air. Lec. (7) 0 Refrigeration and A/C Outdoor air conditions are: 28°C db, 19.5°C wb Return air conditions are: 22°C db, 50% RH. The mixture air condition outlet the cooling coil are: 10°C db, 0.00735 kg/kgda Draw the system on the Psychrometric chart, then calculate: 1. Cooling coil load. 2. Room sensible heat. 3. Room latent heat. 4. Fresh (outdoor) load. 5. Duct and fan heat gain 6. Sensible heat ratio SHR. If the supply air temperature increases with a value 1°K due to fan motor heat gain and 2°K due to duct heat gain. 0.252 kg/s 1.008 kg/s Dr. Omar M. Ali R الغرفة المراد تكييفها (22,50%) 1.26 kg/s B R
Transcribed Image Text:Example (1): An air conditioning equipment (figure) have the following: Supply air mass = 1.26 kg/s. The cooling coil receives 20 % outdoor air and 80% return air. Lec. (7) 0 Refrigeration and A/C Outdoor air conditions are: 28°C db, 19.5°C wb Return air conditions are: 22°C db, 50% RH. The mixture air condition outlet the cooling coil are: 10°C db, 0.00735 kg/kgda Draw the system on the Psychrometric chart, then calculate: 1. Cooling coil load. 2. Room sensible heat. 3. Room latent heat. 4. Fresh (outdoor) load. 5. Duct and fan heat gain 6. Sensible heat ratio SHR. If the supply air temperature increases with a value 1°K due to fan motor heat gain and 2°K due to duct heat gain. 0.252 kg/s 1.008 kg/s Dr. Omar M. Ali R الغرفة المراد تكييفها (22,50%) 1.26 kg/s B R
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