Potential pump less water cooling?

[Chazdor]

Heron's Fountain: a series of siphons connected so that one feeds the others https://imgur.com/gallery/Likf8ng

 

Might this be able to be applied to create a loop without a pump?

[W-L]

22 minutes ago, Chazdor said:

Heron's Fountain: a series of siphons connected so that one feeds the others https://imgur.com/gallery/Likf8ng

 

Might this be able to be applied to create a loop without a pump?

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That works well as there is no restriction in that setup but in a watercooling loop that had dense fin arrays and tight bends/corners those losses will add up making it not possible. There are pumpless water coolers per say using low boiling point fluids that evaporate and condense in a fin array for cooling.