INVESTIGATING THE EFFECT OF SUPPLY AIR TEMPERATURE ON THERMAL COMFORT AND INDOOR AIR QUALITY FOR A DISPLACEMENT VENTILATED ROOM IN SUMMER

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FATOLLAHZADEH MOHAMMAD HASSAN; HEIDARINEJAD GHASSEM; PASDARSHAHRI HADI

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Journal: Modares Mechanical Engineering Year:2014 | Volume:14 | Issue:9 Page(s): 35-44

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Title

INVESTIGATING THE EFFECT OF SUPPLY AIR TEMPERATURE ON THERMAL COMFORT AND INDOOR AIR QUALITY FOR A DISPLACEMENT VENTILATED ROOM IN SUMMER

Author(s)

FATOLLAHZADEH MOHAMMAD HASSAN | HEIDARINEJAD GHASSEM | PASDARSHAHRI HADI | Issue Writer Certificate

Keywords

ENERGY CONSUMPTION OPTIMIZATIONQ1

DISPLACEMENT VENTILATION SYSTEMQ2

THERMAL COMFORTQ2

INDOOR AIR QUALITYQ1

Abstract

In this study, the effect of inlet supply temperature on ENERGY CONSUMPTION OPTIMIZATION, THERMAL COMFORT and mean local air age has been investigated for a displacement ventilation inside a typical room. Based on the results obtained from this study, an increasing in the inlet supply temperature for a displacement ventilation from17.8to25.8in summer leads to a 50% reduction of consumed energy. Owing to the fact that optimization of consumed energy is an action bound to maintain THERMAL COMFORT of occupants, PMV (predicted mean vote) and PPD(predicted percentage of dissatisfied) parameters as two general THERMAL COMFORT indices have been investigated by CFD Methods. Also temperature gradients in vertical direction as a local thermal discomfort index and mean local air age as air quality index have been probed. All indices except mean local air age are within the range of ISO7730 standard with temperature increasing, but air quality index has a few drops in inhalation region, This few drop is negligible and DISPLACEMENT VENTILATION SYSTEM can be used as a suitable ventilation system for summer applications.

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APA: Copy

FATOLLAHZADEH, MOHAMMAD HASSAN, HEIDARINEJAD, GHASSEM, & PASDARSHAHRI, HADI. (2014). INVESTIGATING THE EFFECT OF SUPPLY AIR TEMPERATURE ON THERMAL COMFORT AND INDOOR AIR QUALITY FOR A DISPLACEMENT VENTILATED ROOM IN SUMMER. MODARES MECHANICAL ENGINEERING, 14(9), 35-44. SID. https://sid.ir/paper/177789/en

Vancouver: Copy

FATOLLAHZADEH MOHAMMAD HASSAN, HEIDARINEJAD GHASSEM, PASDARSHAHRI HADI. INVESTIGATING THE EFFECT OF SUPPLY AIR TEMPERATURE ON THERMAL COMFORT AND INDOOR AIR QUALITY FOR A DISPLACEMENT VENTILATED ROOM IN SUMMER. MODARES MECHANICAL ENGINEERING[Internet]. 2014;14(9):35-44. Available from: https://sid.ir/paper/177789/en

IEEE: Copy

MOHAMMAD HASSAN FATOLLAHZADEH, GHASSEM HEIDARINEJAD, and HADI PASDARSHAHRI, “INVESTIGATING THE EFFECT OF SUPPLY AIR TEMPERATURE ON THERMAL COMFORT AND INDOOR AIR QUALITY FOR A DISPLACEMENT VENTILATED ROOM IN SUMMER,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 9, pp. 35–44, 2014, [Online]. Available: https://sid.ir/paper/177789/en

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