Evaluation of Window overhang and External wall thermal Conductivity reduction Effect On office Cooling load in 3 Climates Hot and Humidity, Mild and Cold

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ASGHARI M.; Poolaei Z.; YAZDANI H.

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Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2019 | Volume:48 | Issue:4 (85) Page(s): 331-335

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Title

Evaluation of Window overhang and External wall thermal Conductivity reduction Effect On office Cooling load in 3 Climates Hot and Humidity, Mild and Cold

Author(s)

ASGHARI M. | Poolaei Z. | YAZDANI H. | Issue Writer Certificate

Keywords

Simulation

Energy

Building

Overhang

Abstract

In today’ s world too much Energy is consumed to provide comfort conditions inside the Buildings and this makes it necessary to estimate the Energy consumption and recommend appropriate strategy to reduce it. One way of calculating the amount of Energy consumption for providing comfort conditions is to employ simulated programs such as EnergyPlus and DesignBuilder. In this paper one authentic case study has been chosen and by applying DesignBuilder program, the amount of Energy consumption for its cooling condition on 1st of July in three different cities based on two different strategies has been simulated and their effects on electric Energy consumption have been compared. The first strategy is to employ the equation of estimating heat transfer via solar radiation and using Overhang shades (6 different thicknesses) to reduce the area of the Building exposed to solar radiation and reducing the heat gained from it. The second one is to apply the equations of Fourier's law in which the amount of reduction in heat transferred to the Building by utilizing heat insulations in 5 different thicknesses is calculated. The results showed that the second strategy has much more superiority over the first one considering in Ahvaz and Tehran cities, but for Tabriz, the difference between two strategies is less. Furthermore the results obtained in Ahvaz showed that our conception of reducing the Energy consumption by employing Overhang shades is not always right. And employing heat insulation even by the thickness of one centimeter is more effective.

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APA: Copy

ASGHARI, M., Poolaei, Z., & YAZDANI, H.. (2019). Evaluation of Window overhang and External wall thermal Conductivity reduction Effect On office Cooling load in 3 Climates Hot and Humidity, Mild and Cold. JOURNAL OF MECHANICAL ENGINEERING, 48(4 (85) ), 331-335. SID. https://sid.ir/paper/269911/en

Vancouver: Copy

ASGHARI M., Poolaei Z., YAZDANI H.. Evaluation of Window overhang and External wall thermal Conductivity reduction Effect On office Cooling load in 3 Climates Hot and Humidity, Mild and Cold. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2019;48(4 (85) ):331-335. Available from: https://sid.ir/paper/269911/en

IEEE: Copy

M. ASGHARI, Z. Poolaei, and H. YAZDANI, “Evaluation of Window overhang and External wall thermal Conductivity reduction Effect On office Cooling load in 3 Climates Hot and Humidity, Mild and Cold,” JOURNAL OF MECHANICAL ENGINEERING, vol. 48, no. 4 (85) , pp. 331–335, 2019, [Online]. Available: https://sid.ir/paper/269911/en

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