There are 2 types of open channels
- Man made open channels
- Natural open Channels
1. Man Made Open Channels
Man made open channels vary in depth and constant bottom can maintain.
Example of man made open channels
- Irrigation Channels
- Navigation Channels
- Sewer Pipes
the based field by concrete and surface roughness is well defined.
2. Natural Open Channels
Irregular shapes and bound raises with non Prismatic channels. Surface roughness change place to place and time to time
Example : River
Kind Of Open Channels