Hydrostatic Forces on different submerged surface in liquid

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What is Total pressure force and Center pressure force?

Total pressure: Total pressure is defined as the force exerted by a static fluid on a surface either plane or curved when the fluid comes in contact with the surface. This force always acts normal to the surface.

Centre of pressure: Centre of pressure is defined as the point of application of the total pressure on the surface.

Vertical plane surface submerged in liquid

Consider a plane vertical surface of arbitrary shape immersed in a liquid as shown in figure.

Inclined plane surface submerged in  liquid

Source: https://www.hkdivedi.com/2018/02/total-pressure-and-centre-of-pressure.html

Curved surface immersed in liquid

Source:https://www.hkdivedi.com/2018/02/total-hydrostatic-force-on-curved.html

References:

  1. A text book of fluid mechanics and hydraulic machines, Dr. RK Bansal, (2008), Laxmi publication(P) LTD.

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