Siphon Flow in Tanks: Will Water Go Up Hill?

In summary, the water will not flow in the big tank like in the picture. The water will instead flow in the pipe to equalize the heights of the two water levels in the two tanks. However, it is suggested to try the experiment using two jars or basins connected with plastic tubing or bendable drinking straws to see the results. This could potentially lead to the discovery of the Domagoj Syphon.
  • #1
Domagoj
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If we have 2 Tanks connected with a siphon but the water in bigger tank is higher than the water in smaller tank, but the siphon goes from smaller tank over to the big tank and ends up at lower elevation than it started.

Will the water flow in big tank like in the picture.
 

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  • #2
Domagoj said:
If we have 2 Tanks connected with a siphon but the water in bigger tank is higher than the water in smaller tank, but the siphon goes from smaller tank over to the big tank and ends up at lower elevation than it started.

Will the water flow in big tank like in the picture.
No. The water will flow in the pipe to equalize the heights of the two water levels in the two tanks.

Why do you keep asking these questions? https://www.physicsforums.com/threads/two-tank-system.858985/#post-5391589

What are you trying to do? It looks like you are trying to create a Perpetual Motion Machine, or an Over-Unity Mechanism. Such topics are not permitted here on the PF.
 
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  • #3
Domagoj said:
If we have 2 Tanks connected with a siphon but the water in bigger tank is higher than the water in smaller tank, but the siphon goes from smaller tank over to the big tank and ends up at lower elevation than it started.

Will the water flow in big tank like in the picture.
Try it! Use two jars/basins/buckets/whatever and some plastic tubing or a few bendable drinking straws securely taped together to have air-tight joins. Let us know what you find out! :smile:

You could even be the first experimenter to discover the amazing Domagoj Syphon! :wink:
 
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1. How does siphon flow work in tanks?

Siphon flow is a process in which a liquid flows from a higher point to a lower point by means of a tube or pipe. In tanks, the liquid is pulled down by gravity at one end of the siphon, creating a vacuum that draws the liquid up and over the peak of the siphon to the lower end.

2. Can siphon flow make water go uphill in a tank?

No, siphon flow cannot make water go uphill in a tank. The liquid will always flow from a higher point to a lower point due to gravity. However, the siphon can create the illusion of water flowing uphill because the tube dips down and then up again.

3. How can siphon flow be used in tanks?

Siphon flow can be used in tanks for various purposes, such as draining or transferring liquids from one container to another. It can also be used to control the level of liquid in a tank, by automatically stopping the flow once the desired level is reached.

4. What factors affect the siphon flow rate in tanks?

The flow rate of a siphon in a tank is affected by several factors, including the height of the tank, the diameter and length of the siphon tube, and the viscosity of the liquid being siphoned. Additionally, any obstructions or bends in the tube can also affect the flow rate.

5. Are there any risks associated with siphon flow in tanks?

Yes, there are some potential risks associated with siphon flow in tanks. If the siphon is not properly designed or maintained, it can lead to leaks or spills, which can be hazardous. In addition, siphon flow can also create a vacuum in the tank, which can cause the tank to collapse if it is not strong enough to withstand the pressure.

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