Systems and Networks of Land Reclamation Works

Specialization / Direction

Knowledge Deepening / Consolidation

The objective of the course is: the design and drafting of technical specifications for a collective irrigation network of closed pipes under pressure, the learning and use of the Clèment method for calculating the supply demand in irrigation networks, the calculation of the economic diameters of tubular pipes, the finding of the total losses of the network (linear and local), the finding of the required manometric head for supplying the network, the optimization of the network, the protection of the pipes and the pumping station from water hammer, the design of the technical works of the irrigation network and the impacts on the environment. Knowledge The course specializes students in securing and saving water to meet the irrigation needs of crops, the rational management of water resources for irrigation needs as well as the design of a collective irrigation network through innovative optimization methods. The course constitutes an important pillar of knowledge for the Agricultural and Surveying Engineer, providing the student with a wide range of scientific and technical skills, important resources for both postgraduate studies and a successful future career in the field as an engineer. Upon completion of the course, students should be able to: • Have complete knowledge of land reclamation projects and the basic principles that govern them • ​​Have complete knowledge of the technological equipment required for the construction of a collective under pressure irrigation network, such as a pumping station, water intakes, pipelines, etc. • They apply the statistical method of Clèment to calculate the required flow of the entire network. • They apply calculation methods to find the head losses. • They have full knowledge of the methods of calculating the economic diameters and the required power of the pumping station. • They apply different methods of optimizing the piping-pumping station system. • They use computational tools for the needs of optimizing the network. • They apply measures to protect the network from water hammer. • They design and fully capture a collective irrigation network. Skills After completing the course, the student will possess advanced skills in processing, analyzing and solving complex problems in the science of hydraulic engineering related to: • Land Reclamation Works and efficient collective irrigation networks under pressure • The demand and management of irrigation water • The pressure protection of irrigation networks Abilities After completing the course, the student will be able to fully grasp the design, operation, management and study of a collective irrigation network. In particular, students will be able to: • Calculate the demand for irrigation water in a rural area • Use the appropriate optimization method as appropriate • Design a collective irrigation network • Propose the appropriate mechanical equipment for the smooth, safe and more efficient operation of the network

The course includes: Introduction and historical review. Basic principles and concepts of land reclamation works. Gravity networks, pressurized networks, pumping stations, pipelines, hydrants, and more. Fluid laws in closed pipes (maximum losses, acceptable velocities, etc.). Head loss estimation in pipes under pressure. Estimation of the required total on demand discharges of the network with Clèment’s 1st formula. Estimation of the required total on demand discharges of the network with Clèment’s 2nd formula. Definitions, concepts and design of branched irrigation networks (real, ideal networks). Calculation of the cost per pipe meter length (least square method). Calculation of the economic pipe diameter. Cost minimization with the analytical continuous method. Network optimization in case with a pumping station and a single pipe. Finding the economic pipe diameter and minimizing the cost with the simplified optimization method (minimum average gradient method). Network optimization in case of pumping station with N pipes in sequence. Training on the MS-Solver tool. Definition and concepts in the water hammer phenomenon. Pipe protection from water hammer through calculation oerpressure and underpressure. Use of anti-hammer relief valves.

Collective Systems and Networks of Land Reclamation Works, Network Optimization, Economical Pipe Diameters

28-01-2025