Evaporation suppression is the reduction of evaporation by controlling the rate at which water vapor escapes from water surfaces. The need for water saving is greatest in areas of little rainfall and low runoff. Water losses by evaporation from storage reservoirs must be minimized for greatest utility of limited supplies.Using trash of polyethylene with different densities (800, 875 and 900 kg/m3) as floating cover to the water filling cylindrical container with 8 cm diameter led to reduce the evaporation rate. A suitable trash density of 800 kg/m3 gave reduction in evaporation rate of 57% from the theoretical results calculated using equation (4) which is a good result if compared with previous researches

Keywords: Evaporation Losses, Floating cover, Polyethylene

Article Review Status: Published

Pages: 14-19 (Download PDF)

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