Experimental investigation of water-saving efficiency using hexagonal diamond-shaped floating covers in large-scale evaporation ponds under static water conditions
ZongLe Duan, KeBin Shi, KeWu Han, Tayi Abudula
TL;DR
This study shows that hexagonal diamond-shaped floating covers significantly reduce water evaporation in large ponds, with potential for real-world water conservation.
Contribution
The study introduces hexagonal diamond-shaped floating covers as a novel design for evaporation suppression in static water environments.
Findings
HDFCs achieved a 74.86% water conservation rate with 17.28% porosity during the non-freezing period.
Theoretical analysis suggests a potential 88.59% conservation rate with 98% coverage.
Evaporation suppression remained above 70% in dynamic water environments, matching static results.
Abstract
To investigate the evaporation suppression and water conservation effects of hexagonal diamond-shaped floating covers (HDFCs) under static water conditions, this study conducted experiments in circular evaporation ponds during the non-freezing period of 2024 (March 19 to November 30). The floating covers were arranged edge-to-edge and corner-to-corner, and daily water level observations were recorded. The evaporation reduction rate was calculated using the weighted average method. The results showed that with a porosity of 17.28%, the floating cover reduced evaporation by 1505.21 mm during the non-freezing period, corresponding to a water conservation rate of 74.86% relative to the total evaporation from the natural water surface (2010.7 mm). Theoretical analysis further indicated that if the floating covers fit perfectly with the pond edges, achieving a coverage rate of 98%, the…
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TopicsSolar-Powered Water Purification Methods · Groundwater and Isotope Geochemistry · Urban Stormwater Management Solutions