A comparison between CFD and Network models for predicting wind-driven ventilation in buildings

Asfour, Omar S.; Gadi, Mohamed B.

doi:10.1016/j.buildenv.2006.11.021

Cited by 115 publications

(52 citation statements)

References 3 publications

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“…Among these, CFD is one of the most popular methods due to lower cost and controllable conditions in comparison with other approaches. Although CFD was introduced for industrials proposes, it now becomes a common method to evaluate ventilation and environment of buildings [15]. DesignBuilder is used in this research as a simulation program for calculating atrium performance.…”

Section: Methods and Key Parametersmentioning

confidence: 99%

Thermal Performance of Tropical Atrium

Baharvand¹,

Ahmad²,

Safikhan³

et al. 2013

Scientific Journal of Riga Technical University. Environmental and Climate Technologies

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-Atrium is a popular architectural feature utilized widely by building designers and owners to bring various benefits such as adequate daylight, circulation spaces and surfaces for landscape applications. But atrium problems in tropical climates such as excessive daylight, glare and high temperature, which lead to increase building energy demand, have been reported. To avoid and reduce these unpleasant features, a side-lit atrium has been suggested. Although researchers proposed side-lit atrium to prevent common problems of atria, the lack of precedent research on this issue compels these authors to study atrium performance in hot and humid climate. So the research aims to examine two different atrium roof form types in terms of temperature and ventilation impacts in hot and humid climate of Malaysia using DesignBuilder as a simulation program. The results indicate lower temperature of side-lit model with better airflow pattern in comparison with top-lit model while the top-lit model provides higher air velocity at the air inlet and outlet.

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Section: Methods and Key Parametersmentioning

confidence: 99%

Thermal Performance of Tropical Atrium

Baharvand¹,

Ahmad²,

Safikhan³

et al. 2013

Scientific Journal of Riga Technical University. Environmental and Climate Technologies

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show abstract

“…[18][19][20][21][22][23][24][25][26][27][28][29][30]). Within this group, there are studies on the effect of the opening size (wall porosity) [19,21,23,26,27,29], the inlet-outlet opening ratio and location [21,23,25,27,29] and the building aspect ratio [22,28]. Less studies focused on buildings with a flat roof and with asymmetric opening positions located in the facade (group 2); some examples are [23,[25][26][27].…”

Section: Introductionmentioning

confidence: 99%

CFD analysis of cross-ventilation of a generic isolated building with asymmetric opening positions: Impact of roof angle and opening location

Perén

Hooff

Leite

et al. 2015

Building and Environment

159

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“…There are several reports available about the performance of wind catcher and the design of modern wind catchers [11]. Elmualim [12] has investigated the performance of wind catchers by different modeling techniques including wind tunnel testing, salt bath, computational fluid dynamics(CFD).…”

Section: Previous Workmentioning

confidence: 99%

Performance Evaluation of Four-Sided Square Wind Catchers with Different Geometries by Numerical Method

Ghadiri

Ibrahim

Mohamed

2013

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Abstract. The extensive enhance of using air conditioning to cool and ventilate buildings in hot -arid climate regions have turned into an actual crisis since these systems consume high load of electricity. Recently, green ventilation features such as wind catchers have been utilized as a solution in order to improve indoor air quality and decrease energy consumption. The most common ventilation device in hot and hot-humid areas of Iran was wind catcher or "Badgir". This study is an outline of the results of a research on the wind catcher element in the traditional architecture of Iran. An appraisal of the wind towers' individuality with prominence on their morphology is presented and classification of the wind towers based on their physical characteristic and parameters are thus proposed. This paper also presents a limited wind driven simulation results which shows the impact of different square wind catcher's plan geometry on the indoor ventilation rate. The simulations accomplished using computational fluid dynamics (CFD), reveal the effect of four different square wind catchers on the indoor ventilation rate.

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A comparison between CFD and Network models for predicting wind-driven ventilation in buildings

Cited by 115 publications

References 3 publications

Thermal Performance of Tropical Atrium

Thermal Performance of Tropical Atrium

CFD analysis of cross-ventilation of a generic isolated building with asymmetric opening positions: Impact of roof angle and opening location

Performance Evaluation of Four-Sided Square Wind Catchers with Different Geometries by Numerical Method

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