نتایج جستجو برای: dam bottom outlet
تعداد نتایج: 86892 فیلتر نتایج به سال:
Dam is set in large hydropower station. Cushion pool built behind the dam for flood discharge and energy dissipation of reservoir. Operation some time, dewatering structure safety which study, then cushion filled. Temporary dewater filled system used by previous engineer, but arranged controlled hard. Based on need filling, an example Baihetan station, necessity feasibility are study. Then a pe...
An ne an the be tem an cla M de us res su an wa po in 20 th gr Th cu II, wa m It ar no flo an atm co so Mi G. 06 An E T Abstract—Ku nkara, Turkey earby resources nalyses of Kurtb e Kurtbogazi D etween 2008 and mperature, bioc nd chlorine) of assified accord Moreover, the pr etermine the qu ing Piper, US sults showed th urface water exc nd BOD 5 concen Keywords—K ater, water supp HE demand city ...
The stability of a gravity dam on a jointed rock foundation might be endangered by weak joints that may be present in the fracture network of the bed rock. A review of the literature shows that there are few studies of the effect of a weak joint in the foundation rock on the stability of dams. This research uses the finite difference numerical modelling software ABAQUS to model a gravity dam, t...
Handling of bulk solids takes place in gasifiers either at the feed point or at the section of discharging waste and residues of the combustion and gasification. In large gasifiers, significant amounts of waste are expected to be produced, hence a proper gasifier design that allows an effective discharge of the waste from its bottom is essential for a smooth and reliable gasification. Poor gasi...
In this study, mixed convection heat transfer and local and global entropy generation in aventilated square cavity have been investigated numerically. The natural convection effect isachieved by a constant heat flux imposed at the bottom wall and cooled by injecting a coldfollow. In order to investigate the effect of port location, four different placementconfigurations of the inlet and outlet ...
Settling-thickening tanks are used to achieve separation of the liquid and solid fractions of faecal sludge (FS). They were fi rst developed for primary wastewater treatment, and for clarifi cation following secondary wastewater treatment, and it is the same mechanism for solids-liquid separation as that employed in septic tanks. Settling-thickening tanks for FS treatment are rectangular tanks,...
Background and Objectives: Aydughmush dam was built on Aydughmush River at 19km in southwest of Mianeh City. The dam is multipurpose and its main aims are the spring floods control, supplying potable water for villages and providing irrigation water. Different pollutants which probably discharge to the river finally enter to the dam reservoir so this study focuses on evaluating the quality of t...
In this research, fractal relationships were used to evaluate the particle size distribution of the check dam. Three check dams with height of 2, 2 and 2.6 meters were selected and the hole was drilled same the height of the check dam at the sediment deposits. Then, depending on the color of the deposited layers, the thickness of the layers was determined and sampling was down from each layer t...
The effect of the volume flow rate of the heat transfer fluid (air) on the thermal parameters of the solar air collector with a single air pass without using fins under the absorbing plate have been investigated experimentally and theoretically. We use a new design of solar air collector which aims to optimize these parameters in the region cited above. Our solar air collector was realized at t...
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