Example (3): the room sensible and latent heat loads for an air conditioned space are 25 kW and 5 kW respectively. The room condition is 25C db and 50% RH. The outdoor condition is 40C db and 50% RH. The ventilation requirement is such that the mass flowrate basis 20% of fresh air is introduced and 80% of supply air is recirculated. The by-pass factor of the cooling coil is 0.15. Apparatus dew point temp. = 11.2C. Determine: 1. Supply air flow rate. 2. Outside air sensible heat. 3. Outside air latent heat. 4. Grand total heat. 5. Effective room sensible heat factor.
Example (3): the room sensible and latent heat loads for an air conditioned space are 25 kW and 5 kW respectively. The room condition is 25C db and 50% RH. The outdoor condition is 40C db and 50% RH. The ventilation requirement is such that the mass flowrate basis 20% of fresh air is introduced and 80% of supply air is recirculated. The by-pass factor of the cooling coil is 0.15. Apparatus dew point temp. = 11.2C. Determine: 1. Supply air flow rate. 2. Outside air sensible heat. 3. Outside air latent heat. 4. Grand total heat. 5. Effective room sensible heat factor.
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 (3): the room sensible and latent heat loads for an air conditioned space are 25 kW and 5 kW respectively. The room condition is 25C db and 50% RH. The outdoor condition is 40C db and 50% RH. The ventilation requirement is such that the mass flowrate basis 20% of fresh air is introduced and 80% of supply air is recirculated. The by-pass factor of the cooling coil is 0.15. Apparatus dew point temp. = 11.2C. Determine:
1. Supply air flow rate.
2. Outside air sensible heat.
3. Outside air latent heat.
4. Grand total heat.
5. Effective room sensible heat factor.
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