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Quantitative evaluation of the performance of a wind tower for natural ventilation and passive cooling in a hot and arid area of Southern Algeria : a case of Ouled Djellal in Algeria
المؤلفون المشاركون
المصدر
Journal of King Saud University : Architecture and Planning
العدد
المجلد 26، العدد 2(s) (31 ديسمبر/كانون الأول 2014)، ص ص. 65-75، 11ص.
الناشر
جامعة الملك سعود دار جامعة الملك سعود للنشر
تاريخ النشر
2014-12-31
دولة النشر
السعودية
عدد الصفحات
11
التخصصات الرئيسية
الملخص EN
The aim of this work is to evaluate the potentialities of passive cooling and natural ventilation of wind towers.
These are integrated into a low rise housing estate in the hot and semi arid climate of the south of Algeria.
In spite of the bioclimatic advantages that these residences potentially offer, the project did not witness the expected success and went through several transformations.
The wind towers were closed or completely removed by the occupants.
The performance of the wind towers for an interior therm؛،l comfort is (quantitatively appraised by means of an experimental study.
The technique consists of the series of summer tempCTature (T°), relative humidity (RH) and air velocity (V) in-situ measurements both at the ground floor and the first storey.
The objective was the evaluation of the real behaviour of the tower and its influence on the internal thermal comfort.
The series of measurements confirm«! the cooling eff،؛€t of the wind tow« by direct transfer of heat during the period of investigation.
This ا،؛ء؛ increases with the increase in the outside air temperature.
The heat transfer by convection and radiation reaches its maximum value within 15 mm near to the sun exposed part.
The puffed up air was hot and dry.
In the absence of wind or for an outside air velocity v< 0.5 m/s, the tower provided a passive cooling by the buoyancy driven flow effect.
Natural ventilation was limited to air blowing.
In the presence of the wind and for an outside air velocity of 2m/s, the tower ensured a passive cooling by the force of the wind.
The variation in temperature obtained at the air inlet in the ground ٥٠٠٢ (12.4 °C) and on the floor (8,6 °C) was very important, in spite of the thermal feeling of discomfort in «Wasteddar» whieh always remains outside the comfort limits (ASHRAE 55 - 1999).
The cooling effect remains insufficient.
Therefore, the association of a hybrid system (ventilator) and the introduction of humidification by evaporation are essential in semiarid and hot areas.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Mazuz, Said& Turkiah, Asil. 2014. Quantitative evaluation of the performance of a wind tower for natural ventilation and passive cooling in a hot and arid area of Southern Algeria : a case of Ouled Djellal in Algeria. Journal of King Saud University : Architecture and Planning،Vol. 26, no. 2(s), pp.65-75.
https://search.emarefa.net/detail/BIM-644006
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Mazuz, Said& Turkiah, Asil. Quantitative evaluation of the performance of a wind tower for natural ventilation and passive cooling in a hot and arid area of Southern Algeria : a case of Ouled Djellal in Algeria. Journal of King Saud University : Architecture and Planning Vol. 26, no. 2 (Special Issue) (2014), pp.65-75.
https://search.emarefa.net/detail/BIM-644006
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Mazuz, Said& Turkiah, Asil. Quantitative evaluation of the performance of a wind tower for natural ventilation and passive cooling in a hot and arid area of Southern Algeria : a case of Ouled Djellal in Algeria. Journal of King Saud University : Architecture and Planning. 2014. Vol. 26, no. 2(s), pp.65-75.
https://search.emarefa.net/detail/BIM-644006
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 74-75
رقم السجل
BIM-644006
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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