Experimental work on improving the efficiency of storm networks using a new galley design filter bucket.

Abstract

Storm networks, as with all urban infrastructure elements, are important to life in society. One of the most important problems facing such networks is the clogging of pipes due to sediment inlet into the sewage systems, which can cause flooding during heavy rain. This study aims to improve the efficiency of storm networks by using a new filter. In this study, a model of a network of pipes was built up to simulate rain flow over a street of two lanes. The first lane contained a filter and the second lane contained a manhole. The percentage of sediment passing from the manhole to the filter was calculated and compared in terms of the effects of several variables, such as the intensity of rainfall and the street slope. The results showed that the passing ratio from the filter to manhole was 0.28 at a low rain intensity of 30 mm/hr and 0.13 at a high rain intensity of 58 mm/hr. The passing ratio from filter to manhole was 0.21 and 0.12 for small and big lengths of filter, respectively, while the passing ratio at small and big bed slopes was 26 and 13, respectively.

Assessing Artificial Recharge on Groundwater Quantity Using Wells Recharge

“…As an alternate supply, treated wastewater can be utilized for irrigation to meet agricultural water needs and for artificial recharge of aquifers to slow the depletion of groundwater. Many countries, such as the USA, Canada, the Netherlands, Mexico, France, Brazil, Qatar, Egypt, Saudi Arabia, China, Cyprus, and India, use such methods [14][15][16][17][18][19]. Artificial water recharge is one way to sustainably manage the decline of groundwater levels in nations like Iraq, which are located in arid regions [20][21][22][23][24][25].…”

Trends, forecasting and adaptation strategies of climate change in the middle and west regions of Iraq

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