সাইফন যেভাবে কাজ করে | How Does a Siphon Work | Biggane Anondo | বিজ্ঞানে আনন্দ | NTV Science Show

The video likely explains the siphon spillway, which is a hydraulic structure used to control water flow in dams and reservoirs.
Syphon Spillway – Key Concepts
What is a Syphon Spillway?
A curved conduit (pipe) that allows water to flow over a dam using symphonic action.
It works by creating a vacuum that helps draw water through the spillway.

Working Principle:
1. Initially, water enters the spillway and fills the pipe.
2. As the water rises, air is expelled, creating a vacuum.
3. The vacuum causes rapid flow over the dam, maintaining high discharge capacity.

Advantages:
1. Automatic operation: Works without mechanical gates.
2. High efficiency: Can discharge more water than a regular weir.
3. Prevents overflow: Helps regulate water levels in reservoirs.

Disadvantages:
1. Risk of air leakage: Can break the syphon effect.
2. Complex maintenance compared to regular spillways.
3. Not suitable for heavy sediment loads, as clogging can occur.

Applications in Civil Engineering:
Used in dams, reservoirs, and flood control systems to regulate water discharge efficiently.