Click for new scientific resources and news about Corona[COVID-19]

Paper Information

Journal:   JOURNAL OF TECHNOLOGY OF EDUCATION (JOURNAL OF TECHNOLOGY AND EDUCATION)   SUMMER 2008 , Volume 2 , Number 4; Page(s) 249 To 258.
 
Paper: 

AN ANALYSIS OF ABSORBED SOLAR RADIATION BY DOMED AND TILTED ROOFS AND COMPARISION WITH FLAT ROOFS

 
 
Author(s):  MEHRAN S.*, RAD MANOUCHEHR, JAFAR KAZEMI F.
 
* MECHANIC ENGINEERING DEPARTMENT, ISLAMIC AZAD UNIVERSITY (SOUTH TEHRAN BRANCH), TEHRAN, IRAN
 
Abstract: 

Domed, tilted and flat roofs have a widly used in building construction industry. In this paper Thermal performance of roofs in regard with base state i.e. flat roof about its absorbed radiation and energy consuming was considered for different condition. The results show that roof’s angle and sun's radiation effects on absorbed radiation of the sun than the roof. While domed roof is built. Of the half dome roof o 55<q, roof so absorbed radiation of sun is almost equal to its homologous flat roof. Tilted roof with the south-north points/ facing absorbed even more sun heat than tilted roof with the east - west facing. Therefore, from absorbed radiation view, it is recommended to use tilted roof with east - west facing in summer. Also, if tilted roof is built of the slope angle 45£q£60, the energy consuming would be decreased to 1.041 to 1.3 equal to flat roof. In hot and damp regions, the temperature and diffuse of radiation has been greater. So, a tilted roof will be proper for such regions where as in hot arid regions, the diffuse of radiation has been less and domed roof is proper for such regions.

 
Keyword(s): ABSORBED RADIATION, HALF DOME ANGLE, INCIDENCE ANGLE, BEAM RADIATION, ROOF SLOPE ANGLE
 
References: 
  • ندارد
 
  Persian Abstract Yearly Visit 66
 
Latest on Blog
Enter SID Blog