长江科学院院报2017，Vol.34Issue(5)：14-17,4.DOI:10.11988/ckyyb.20160005
不同配重的浮球覆盖下干旱区平原水库的节水效率对比分析
Comparative Analysis of Water Saving Efficiency of Floating Balls withDifferent Load Weights Covering Plain Reservoirs in Arid Area
摘要
Abstract
In the aim of restraining invalid evaporation of plain reservoir in arid area,the efficiency of PVC lightweight balls covering the water surface of reservoir in reducing surface evaporation was evaluated.The movement of lightweight balls in the presence of difference wind speeds was observed and analyzed through indoor and outdoor tests.The causes of irregular rotation and rolling of balls were investigated,and additional load weights were added to the balls to solve this problem.Furthermore,the wetting rates and anti-evaporation coefficients of balls with different load weights under different climate conditions were calculated and compared.Results suggest that floating balls with additional load weights have better effect of reducing evaporation than balls with no additional load weight.The comprehensive rate of reducing surface evaporation could improve by 24% to the maximum.关键词
干旱区平原水库/节水效率/配重/浮球覆盖/蒸发抑制率Key words
plain reservoir in arid area/water saving efficiency/load weight/floating ball cover/rate of evaporation reduction分类
建筑与水利引用本文复制引用
李存立,严新军,侍克斌..不同配重的浮球覆盖下干旱区平原水库的节水效率对比分析[J].长江科学院院报,2017,34(5):14-17,4.基金项目
新疆科技支撑计划项目(201233132) （201233132）
新疆自治区地方公派出国留学成套项目 （）
