Liquid pressure gradient in zero gravity

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SUMMARY

The discussion centers on the pressure gradient in a floating liquid sphere in zero gravity, specifically addressing the effects of surface tension. It is established that if the fluid's self-gravitation is neglected, the pressure within the sphere remains uniform. The pressure inside the sphere exceeds the external pressure by a factor of 2σ/R, where σ represents surface tension and R is the radius of the sphere.

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  • Familiarity with pressure concepts in physics
  • Basic grasp of gravitational effects on fluids
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Malverin
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Is there any data about such measurements?
I think, there has to be a pressure gradient in a floating liquid sphere due to surface tension.
 
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Malverin said:
Is there any data about such measurements?
I think, there has to be a pressure gradient in a floating liquid sphere due to surface tension.
Hi Malverin. Welcome to Physics Forums.

If you are neglecting the fluid's gravitation on itself, then the pressure will be uniform within the sphere. It will exceed the pressure outside by 2σ/R.
 
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