I cannot for the life of me understand how they work on a canal for example. Please dumb it down as much as possible
In: Engineering
A lock is a place in a river where the elevation changes rapidly. Like at a waterfall.
so go to get around the waterfall a short canal is dug from the high side to the low side. and two doors are installed, one on the High side and one on the low side.
each door has a valve in it to allow water to pass through That can be opened or closed.
so what happens. If a boat on the high side wants to go through.
1. Make sure both lock doors are shut. Open the valve on the high side. The water from the high side will fill the lock with water until its water level matches the high side.
2. Open the high side door. Move the boat into the lock. Close the high side door. Close the high side valve.
3. Open the low side valve and drain the water out of the lock. As the was drains out the boat will descend. Once the lock water level matches the low side, the low side door can be opened. And the boat will leave.
if there is a host on the low side thst wants to go up, it will now enter, the door will shut, the low side valve will close and the high side valve will open and refill the lock (Going back to step 1).
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