ZEMCH 2015 - International Conference Proceedings | Page 634

the east there is a huge amount of heat in inside the cafe restaurant, this heat requires a huge
amount of cooling loads in order to escape from the space. These loads requires huge amount of
electricity. According to Dubai Electric and Water Authority Al Manahil cafe restaurant consumes
385.7 MWh of electric energy very month. In order to reduce the amount of electric energy used
inside the space I decided to use photovoltaic cells. The photovoltaic cells will be located on the
roof of the cafe restaurant. Since the cafe restaurant is oriented towards the east, there is enormous amount of sunlight striking the roof of the cafe restaurant. This sunlight can be harvested
and can be used to supply the building with the amount of energy required.
The photovoltaic cells will be located on the roof of the cafe restaurant. Since the cafe restaurant is
oriented towards the east, there is enormous amount of sunlight striking the roof of the cafe restaurant. The sunlight can be harvested and can be used to supply the building with the amount of
energy required. The roof have an area of 64.169 meter square 22.222 meter square is shaded with
the hotel canopies, this area cannot be utilized for the photovoltaic cells since there is no sunlight
striking this part of the roof. The maximum roof area left for the photovoltaic cells is 41.947 meter
square. This area can hold only 18 photovoltaic cells. The roof have an area of 64.169 meter square
22.222 meter square is shaded with the hotel canopies, this area cannot be utilized for the photovoltaic cells since there is no sunlight striking this part of the roof. The maximum roof area left for
the photovoltaic cells is 41.947 meter square. This area can hold only 18 photovoltaic cells.
Area of single photovoltaic module used is 0.9 meter square, the annual average module of each
photovoltaic cell is 2.25225 KW/day, the potential power generation of the 18 module is 0.0404
MW/day the 18 photovoltaic modules installed could cover 4.25% of the total electricity, this photovoltaic cells reduced the amount of electricity consumed from 385.7 MWh to 212.135 MWh .The
photovoltaic modules covers around 25% of the roof.

Fig. 8: Restaurant Plan (Emaar, 2008)

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ZEMCH 2015 | International Conference | Bari - Lecce, Italy