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Rain used to illuminate low income homes

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Posted March 26, 2014
Rain used to illuminate low income homes
By collecting rainwater, students of the Technological University of Mexico (UNITEC) were able to generate electricity using a microturbine and supplying the vital liquid to homes in a poor community in Iztapalapa, in Mexico City.

This system is similar to that used in dams, which uses rainwater to rotate a microturbine and generate electricity. Currently, it is only possible to recharge portable 12 volt batteries, whose energy is sufficient to power LED lamps but not to provide power to the entire house.

The system called “Pluvia” collects rain from the roof of the house, where the surface must be adapted so the water will flow into a gutter, if unable to modify the ceiling, sheets to simulate a slope are added, routing fluid in one direction, said Omar Enrique Leyva Coca , who developed the project with Romel Brown and Gustavo Rivero Velázquez .

To choose the right pipe, an arithmetic operation that determined the diameter of the tube in relation to the roof area was performed. Thus the liquid reaches the first filter, which is responsible for separating the water from the first two weeks of the season, which generally contains higher acidity, soil and contaminants, sending it to a storage tank.

Read more at: Phys.org

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