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August 8, 2017 - inconnu - Upturned roofs which collect rain could help with water supplies in arid Third World countries and remote communities.The roofs are able to capture and preserve rainfall , however small, instead of letting it run away.It is designed to help rain-drops merge into larger globules making it harder for it to be evaporate under scorching sunshine.A team from Iranian architecture company BMDeign Studios worked on the design for environments with precipitation of less than one third of the rest of the world and evaporation more than three times the average.The concave roof looks like a bowl with very steep slopes. It sits on a base which is dome-shaped.The bowl provides additional shade for the domed area while letting the air move freely to cool both the bowl and roof base off. The studio believes that a roof like this will help make even the smallest quantities of rain to flow off the roof and eventually coalesce into bigger drops just right for harvesting before they evaporate. It calculated that rainfall of just 5mm on a concave roof area of 923 square metres would collect 28.75 cubic metres of waterThe firm created the idea for a school design competition on Iran where 65 percent of the country has an arid or hyper arid climate.It calculated the unique design should be able to collect around 60 percent of rainwater in dry-lands on the Iranian plateau where the school is located.Rainwater reservoirs are placed inside the walls of the buildings.This would also help with cooling the classrooms saving on the carbon footprint.Date palms provide shade for the concave roof.A spokesman said that while the water needed for the school exceeded the amount of rainwater harvested, the key point was maximizing the efficiency of the system. The spokesman added:” Results from further research, hopefully will help lead to new designs for the roofs in arid climates capable of harvesting rain.”.OPS: The stunning concave roof design , in this case c

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Daily Round Up 8 Aug 2017
August 8, 2017 - inconnu - Upturned roofs which collect rain could help with water supplies in arid Third World countries and remote communities.The roofs are able to capture and preserve rainfall , however small, instead of letting it run away.It is designed to help rain-drops merge into larger globules making it harder for it to be evaporate under scorching sunshine.A team from Iranian architecture company BMDeign Studios worked on the design for environments with precipitation of less than one third of the rest of the world and evaporation more than three times the average.The concave roof looks like a bowl with very steep slopes. It sits on a base which is dome-shaped.The bowl provides additional shade for the domed area while letting the air move freely to cool both the bowl and roof base off. The studio believes that a roof like this will help make even the smallest quantities of rain to flow off the roof and eventually coalesce into bigger drops just right for harvesting before they evaporate. It calculated that rainfall of just 5mm on a concave roof area of 923 square metres would collect 28.75 cubic metres of waterThe firm created the idea for a school design competition on Iran where 65 percent of the country has an arid or hyper arid climate.It calculated the unique design should be able to collect around 60 percent of rainwater in dry-lands on the Iranian plateau where the school is located.Rainwater reservoirs are placed inside the walls of the buildings.This would also help with cooling the classrooms saving on the carbon footprint.Date palms provide shade for the concave roof.A spokesman said that while the water needed for the school exceeded the amount of rainwater harvested, the key point was maximizing the efficiency of the system. The spokesman added:” Results from further research, hopefully will help lead to new designs for the roofs in arid climates capable of harvesting rain.”.OPS: The stunning concave roof design , in this case c