DESIGN OF PRESSURIZED AND MICRO IRRIGATION SYSTEM
AE 765 01
Course Objective:
To familiarize and orient students in theory, planning, technological development and management in engineering problem solving in the area of pressurized and micro‐ irrigation system.
- Introduction(7 hours)
- Concept and Importance of pressurized and micro irrigation
- Types of pressurized and micro irrigation system
- Suitability of Micro‐irrigation in Nepal
- Application depth and system capacity
- Application of fertigation
- Sprinkler Irrigation(15 hours)
- Types of sprinkler irrigation system and their selection
- Components of sprinkler irrigation
- Pressure and water distribution profile
- Uniformity of water distribution
- Layout and planning of pipe network
- Frictional head losses in pipes, fitting and fixtures
- Design of sprinkler irrigation
- Hydraulic design
- Lateral design
- Design of sub‐mains and mains
- Pumps and power unit
- Maintenance and trouble‐shooting
- Economics of sprinkler
- Drip Irrigation(15 hours)
- Types of drip irrigations system and their selection
- Components of drip irrigation system and layout
- Pressure and water distribution profile
- Uniformity of water distribution
- Layout and planning of pipe network
- Frictional head losses in pipes, fittings and fixtures
- Design of drip irrigation system
- Hydraulic design
- Lateral design
- Design of sub–mains and mains
- Pumps and power units
- Maintenance and troubleshooting
- Economics of drip irrigation
- Automation of Irrigation System(8 hours)
- Point, local and central automation
- Control patterns
- Computer based irrigation system controls
Practicals:
- Evaluation of water application Uniformity in sprinkler irrigation(3 hours)
- Evaluation of pressure distribution in sprinkler irrigation(2 hours)
- Evaluation of water application uniformity in drip irrigation(2 hpurs)
- Evaluation of pressure distribution in drip irrigation(2 hours)
- Establishment of pressure- discharge relationship for different Emitters in drip irrigation system(3 hours)
- Evaluation of efficiency of fertigation(2 hours)
- Design exercise in sprinkler irrigation(2 hours)
- Design exercise in micro irrigation system(2 hours)
References:
- Sprinkler Irrigation by Sivanappan, R. K. Oxford and IBH Publishing Co., New Delhi, India.
- Sprinkler Irrigation in India, ICID. Indian National Committee on Irrigation and Drainage.
Evaluation Scheme:
The questions will cover all the chapters in the Syllabus. The evaluation scheme will be as indicated in the table below.
Chapters |
Hours |
Marks Distribution* |
1 |
7 |
16 |
2 |
15 |
24 |
3 |
15 |
24 |
4 |
8 |
16 |
Total |
45 |
80 |
* Minor deviation on mark distribution can be made.