TY - BOOK AU - Ahmed Ashry Masoud Ahmed AU - Abdelmaged Hafez Ibrahim Essawey , AU - Essam Eldin Khalil Hassan Khalil , TI - Improvement of natural ventilation on south - facing rooms located on top floors in Cairo , Egypt / PY - 2011/// CY - Cairo : PB - Ahmed Ashry Masoud Ahmed , KW - Natural ventilation KW - Vent KW - Window N1 - Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Power Engineering; Issued also as CD N2 - This work present an attempt to improve the natural ventilation in south - facing room located in the top floors of buildings located in Cairo , Egypt . Accrding to the city's wind rose in the hot humid months of summer , these rooms suffer from very low incoming air velocity as well as high incident solar radiation , which results in massive air conditioning loads in summer , which can be eliminated or reduced by improving the natural ventilation ER -