EVALUATION OF HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM PERFORMANCE IN AN ADMINISTRATIVE BUILDING IN TEHRAN (IRAN)

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MARI ORIYAD H.; ZARE DERISI F.; JAHANGIRI M.; RISMANCHIAN M.

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Journal: Journal of Health and Safety at Work Year:2014 | Volume:4 | Issue:3 Page(s): 59-66

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Title

EVALUATION OF HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM PERFORMANCE IN AN ADMINISTRATIVE BUILDING IN TEHRAN (IRAN)

Author(s)

MARI ORIYAD H. | ZARE DERISI F. | JAHANGIRI M. | RISMANCHIAN M. | Issue Writer Certificate

Keywords

HEATINGQ3

VENTILATIONQ3

AND AIR CONDITIONING (HVAC) SYSTEMQ3

ADMINISTRATIVE BUILDINGQ3

INDOOR AIR QUALITYQ3

Abstract

Introduction: One of the factors influencing on INDOOR AIR QUALITY of the buildings is performance of HVAC (HEATING, VENTILATION, and air conditioning) systems. These systems supply clean and odorless air, with temperature, humidity, and air velocity within comfort ranges for the residents. The aim of this study was to evaluate performance HVAC system in an ADMINISTRATIVE BUILDING in Tehran.Material and Method: A questionnaire, developed in their research was used to assess the building occupants’ perception about the performance of HVAC system. To evaluate the performance of HVAC systems, air velocities were measured in the diffusers using a thermal anemometer. Moreover, CO2 concentration, air temperature and relative humidity were measured in the whole floors of the building. Air distribution inside the building was evaluated using smoke test.Result: Most of the studied people complained about the direction of airflow, thermal conditions and cigarette odor. The highest level of carbon dioxide was measured at 930 ppm inside the restaurant. The maximum and minimum air temperatures and relative humidity were measured 28.3-13.8° C and 28.4-23% respectively. Smoke test showed that the air distribution/direction wasn’t suitable in one third of air diffusers.Conclusion: Improper air distribution / direction were the main problem with the studied HVAC system which could be corrected by adjusting and balancing of the system.

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APA: Copy

MARI ORIYAD, H., ZARE DERISI, F., JAHANGIRI, M., & RISMANCHIAN, M.. (2014). EVALUATION OF HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM PERFORMANCE IN AN ADMINISTRATIVE BUILDING IN TEHRAN (IRAN). JOURNAL OF HEALTH AND SAFETY AT WORK, 4(3), 59-66. SID. https://sid.ir/paper/235596/en

Vancouver: Copy

MARI ORIYAD H., ZARE DERISI F., JAHANGIRI M., RISMANCHIAN M.. EVALUATION OF HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM PERFORMANCE IN AN ADMINISTRATIVE BUILDING IN TEHRAN (IRAN). JOURNAL OF HEALTH AND SAFETY AT WORK[Internet]. 2014;4(3):59-66. Available from: https://sid.ir/paper/235596/en

IEEE: Copy

H. MARI ORIYAD, F. ZARE DERISI, M. JAHANGIRI, and M. RISMANCHIAN, “EVALUATION OF HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM PERFORMANCE IN AN ADMINISTRATIVE BUILDING IN TEHRAN (IRAN),” JOURNAL OF HEALTH AND SAFETY AT WORK, vol. 4, no. 3, pp. 59–66, 2014, [Online]. Available: https://sid.ir/paper/235596/en

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