نتایج جستجو برای: reservoir operation

تعداد نتایج: 251632  

Journal: :Advances in Meteorology 2022

Climate changes significantly cause the precipitation deficiency and in turn reduce inflow amount reservoir affecting hydroelectric power generation. The primary objective of this study was to evaluate hydropower generation operation under climate change from Kesem reservoir. Recent Representative Pathway (RCP) scenarios were used impact on Power transformation equation variance scaling approac...

Journal: :Expert Syst. Appl. 2014
Si-Fu Li Xiao-Lin Wang Jian-Zhong Xiao Zheng-Jie Yin

We investigated the complexity of reservoir operation and management as a complex adaptive system in this paper. Based on similarities between the process of extracting reservoirs operating rules and the selfadaptive learning behavior of antibody to antigens in the human immune system, a novel reservoir operating rule extraction architecture is proposed. By using the established co-evolution ar...

2011
Aleks D. Atrens Hal Gurgenci Victor Rudolph

CO2-based Engineered Geothermal Systems (EGS) have been explored from the perspectives of thermodynamic performance, in-reservoir chemical reactivity, and economic viability. Previous works have correctly noted the important role that initial water content in the geothermal reservoir will play in determining the viability of the concept, but have not examined reservoir water content from a quan...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2011
amir taheri mohammad zahedzadeh rahim masoudi abdolrahim ataei emad roayaei

water injection is an enhanced oil recovery method which is applied for number of reservoirs especially in the offshore fields around the world. sea-water injection process is usually associated with important concerns affecting the efficiency, safety, and economy of the operation like formation damage, mineral scaling, early breakthrough and corrosion. incompatibility between injected and form...

2016
Tiesong Hu Xu-Zhao Zhang Xiang Zeng Jing Wang

Hedging is widely used to mitigate severe water shortages in the operation of reservoirs during droughts. Rationing is usually instituted with one hedging policy, which is based only on one trigger, i.e., initial storage level or current water availability. It may perform poorly in balancing the benefits of a release during the current period versus those of carryover storage during future drou...

Journal: :مدیریت آب و آبیاری 0
کورش قادری استادیار گروه مهندسی آب، دانشکدۀ کشاورزی، دانشگاه شهید باهنر کرمان، کرمان، ایران آناهیتا زلقی دانشجوی کارشناسی ارشد مهندسی منابع آب، دانشکدۀ کشاورزی، دانشگاه شهید باهنر کرمان، کرمان، ایران بهرام بختیاری استادیار گروه مهندسی آب، دانشکدۀ کشاورزی، دانشگاه شهید باهنر کرمان، کرمان، ایران

in recent decades, evolutionary algorithms have been applied successfully in various water resource engineering and management issue especially in optimal operation of reservoirs. in this paper, a model based on shuffled complex evolution (sce) algorithm has been developed for modeling optimal operation of complex multi reservoir system of karkheh basin. the system includes 4 different agricult...

2011
Norita Md Norwawi

0974-9683/CIIT–IJ-1847/06/$20/$100 © 2011 CiiT Published by the Coimbatore Institute of Information Technology Abstract---Decision on reservoir water release is crucial during both intense and less intense rainfall seasons. Even though reservoir water release is guided by the procedures, decision usually made based on the past experiences. Past experiences are recorded either hourly, daily, or ...

2011
A. Anand S. Galelli M. Giuliani L. Samavedham D. Schwanenberg

Many large-scale water systems are formed by the interconnection of several sub-systems, whose different spatial and temporal characteristics make them strongly heterogeneous. The optimal management of such systems generally deals not only with issues related to large dimensionalities and strong nonlinearities, but also with the presence of several interactions between the sub-systems, which ha...

2008
Li-Chiu Chang

r a 200 .021 : +886 2 ail.tku.e Summary Real-time flood control of a multi-purpose reservoir should consider decreasing the flood peak stage downstream and storing floodwaters for future usage during typhoon seasons. This study proposes a reservoir flood control optimization model with linguistic description of requirements and existing regulations for rational operating decisions. The approach...

2006
BANAFSHEH ZAHRAIE SEYED-MOUSSA HOSSEINI

This study is focused on developing an integrated optimization-simulation model to develop the operation policies for a multi-purpose reservoir. Objective function of the optimization model is considered to be a linear function of reliability, resiliency, and vulnerability of river-reservoir systems. Genetic Algorithm (GA) is used to solve the optimization model in which the coefficients of the...

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