AI3602 Irrigation and Drainage Engineering Syllabus:

AI3602 Irrigation and Drainage Engineering Syllabus – Anna University Regulation 2021

COURSE OBJECTIVES

 Inculcate water resources development and various parameters required for irrigation scheduling and its
 Requirement
 Understand different kinds of irrigation system and choose appropriate system for a given environment.
 Introduce different types of water control and diversion structures for planning the irrigation system.
 Understand canal, tank irrigation and command area development.
 Understand the basic concepts for planning, design and management of land drainage works in field areas

UNIT I WATER RESOURCES AND IRRIGATION REQUIREMENT

Water Resources- River basins-Development and Utilization in India and Tamil Nadu-Irrigation – duty and delta – Rooting characteristics – Moisture use of crop, Evapotranspiration – ET plot – Crop water requirement – Effective rainfall – Scheduling – Irrigation requirement – Irrigation frequency, Irrigation efficiencies.

UNIT II METHODS OF IRRIGATION

Methods of Irrigation – Surface and Subsurface methods – Drip and Sprinkler – Hydraulics and design – Erodible and non-erodible, Kennedy‟s and Lacey‟s theories, Materials for lining water courses and field channel, Water control and diversion structure – Underground pipeline irrigation system

UNIT III DIVERSION AND IMPOUNDING STRUCTURES

Head works –Weirs and Barrage –Types of impounding structures – Factors affecting, location of dams -Forces on a dam -Design of Gravity dams- Earth dams, Arch dams – Spillways -Energy dissipaters.

UNIT IV CANAL IRRIGATION AND COMMAND AREA DEVELOPMENT

Classification of canals- Alignment of canals – Design of irrigation canals– Regime theories – Canal Head works – Canal regulators – Canal drops – Cross drainage works – Canal Outlet, Escapes –Lining and maintenance of canals – Excess irrigation and waterlogging problem – Command area – Concept, Components of CADP – On Farm Development works, Farmer‟s committee – its role for water distribution and system operation – rotational irrigation system.

UNIT V AGRICULTURAL DRAINAGE

Agricultural drainage – Drainage coefficient; principles of flow through soils, Darcy‟s law – infiltration theory, Surface drainage systems – Subsurface drainage – Design of subsurface drainage – Pipe materials – mole drains, drainage wells, Leaching requirements – irrigation and drainage water quality – recycling of drainage water for irrigation.

TOTAL: 45 PERIODS
TEXTBOOKS:

1. Dilip Kumar Majumdar., “Irrigation Water Management”, Prentice-Hall of India, New Delhi, 2008.
2. Michael, A.M., “Irrigation Engineering”, Vikas Publishers, New Delhi, 2008.
3. Garg, S.K., “Irrigation Engineering,” Laxmi Publications, New Delhi, 2008.
4. Ritzema, H.P., “Drainage Principles and Applications”, Publication No. 16, International Institute of Land Reclamation and Improvement, Netherlands, 1994.

REFERENCES:

1. Basak, N.N., “Irrigation Engineering”, Tata McGraw-Hill Publishing Co, New Delhi, 2008.
2. Murthy, V.V.N. Land and water management, Kalyani publishing, New Delhi, 1998.
3. Bhattacharya, A.K., and Michael, A.M., “Land Drainage – Principles, Methods and Applications”, Konark Publishers Pvt. Ltd., New Delhi, 2003.
4. Irrigation water Management, Training Manual No 6, Drainage of Irrigated Lands, Food and Agriculture Organisation, Rome 1996
5. Kessler, J., “Drainage Principles and Applications”, Vol. II and IV, International Institute of Land Reclamation and Improvement, Netherlands, 1979.

COURSE OUTCOMES

CO1 The students will have knowledge and skills on Planning, design, operation and management of Water Resources and Irrigation Requirement.
CO2 The student will gain knowledge on different methods of irrigation including canal irrigation.
CO3 Obtain knowledge on different types Diversion and Impounding Structures
CO4 Understand the concept Canal Irrigation and Command Area Development
CO5 Understand the concept recycling of drainage water for irrigation.