lbres2104  2019-2020  Louvain-la-Neuve

Note from June 29, 2020
Although we do not yet know how long the social distancing related to the Covid-19 pandemic will last, and regardless of the changes that had to be made in the evaluation of the June 2020 session in relation to what is provided for in this learning unit description, new learnig unit evaluation methods may still be adopted by the teachers; details of these methods have been - or will be - communicated to the students by the teachers, as soon as possible.
4 credits
20.0 h + 22.5 h
Javaux Mathieu;
Main themes
- Theory of open channel hydraulics - Classification of flow : uniform and non-uniform flow ; steady state and gradually varied flow - Properties of open channels : energy and momentum principles - Velocity profiles. Specific energy, specific force - Hydrometrology : Venturi, Parshall, gauging, - Uniform flow theory - Gradually varied flow theory. Classification of hydraulic axes. Integration methods - Rapidly varied flow : hydraulic jump, fall, weirs - Types of irrigation systems : gravity, pressure or drip irrigation - Theory of water flow in pipes - Pressure irrigation networks : pumps, pipes, sprinklers; design of a network - Irrigation and salinity.

At the end of this learning unit, the student is able to :

1 a. Contribution de l'activité au référentiel AA (AA du programme)
M1.2 ; M2.2 ; M2.3 ; M2.4 ; M4.5 ; M6.5 ; M6.8
Upon completion of the course and practicals, the student will be able to :
- Master the basic knowledge about the water requirements  of  plants
- have the basic knowledge about water intake structures, conveyance, and regulation devices for irrigation water
- estimate net irrigation water requirements and propose an irrigation schedule
- design an irrigation system under drip,  pressure or  gravity
- Describe the principles underlying the different irrigation techniques
- Design an irrigation management scheme and to evaluate its functioning
Drainage :
At the end of the course and lab, the student will be able to:
- Master the theoretical concepts underlying the flow of water into drains and design techniques of drainage;
- Assess the value of drainage on the basis of technical, economic and environmental considerations;
- Dimension a parallel drainage network using the relevant equations.;

The contribution of this Teaching Unit to the development and command of the skills and learning outcomes of the programme(s) can be accessed at the end of this sheet, in the section entitled “Programmes/courses offering this Teaching Unit”.
- Plant water requirement
- Chemical and hydraulic properties of soils for irrigation
- Principles of irrigation planning, calculation of plant needs
- intake and conveyance of water, control systems
- Irrigation Types in the plot description, advantages and disadvantages:
- Gravity irrigation
- Pressurized irrigation
- Drip irrigation
- Functions of agricultural drainage in temperate and tropical regions
- Structure of a drainage network : arrangement, drains, envelope '
- Calculation of a drainage network using the equations of Hooghoudt , de Zeeuw and Hellinga , Glover - Dumm .
- Establishment of a network: principles and equipment
Practical work:
- Exercises: water requirements of crops (1 and 2)
- Exercises: Design of a gravity irrigation network
- Exercises: design of an irrigation network under pressure
- Exercises: Allocation Calculation sprinklers
- Sprinkler irrigation field trial
Teaching methods
- Classes, largely illustrated by photos and schematics
- Practical work in  laboratory
- Exercise sessions
- The practicals, to be carried out in a team, and report writing stimulate collective work and the development of skills related to professional communication;
Evaluation methods
The students will be evaluated on the basis of their reports on the practicals as well as through a final exam. The final exam will be oral with a written preparation,  plus three theoretical questions on the theory.
Other information
This course can be given in English.
Online resources
Ouvrage de référence :
« Traité d'irrigations », al.
Syllabus pour la partie drainage (sur Moodle)
Faculty or entity

Programmes / formations proposant cette unité d'enseignement (UE)

Title of the programme
Master [120] in Agricultural Bioengineering

Master [120] in Environmental Bioengineering

Master [120] in Agriculture and Bio-industries