ASHRAE+62.1-2022+(1) - Page 046

Extracted Content

C2.2 Zone Air Distribution Effectiveness. Zone air distribution effectiveness ( Ez ) shall be computed in accordance with Equation C-1 for each computational cell in the breathing zone. The zone air distribution effectiveness ( Ez ) of the system shall be the average value of the zone air distribution effectiveness of each computational cell within the breathing zone. The analysis shall be performed for both summer cooling conditions and winter heating conditions.

Informative Note: Validation of the computational model with physical measurements during design can improve the accuracy of the computational model and the zone air distribution effectiveness of the system. Field measurements could also be performed post building occupancy to verify zone air distribution effectiveness.

44 ANSI/ASHRAE Standard 62.1-2022