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Hydrostatic Pressure & Centre of Pressure Apparatus (SMT-FM-04B)

The Hydrostatic Pressure & Centre of Pressure Apparatus (SMT-FM-04B) is designed to study the principles of hydrostatic pressure in liquids at rest. It demonstrates how fluids exert pressure on container walls and allows investigation of the relationship between fluid depth and resulting forces. This knowledge is crucial in fields such as shipbuilding, hydraulic engineering, and building services.

The apparatus includes a quadrant attached to the arm of a balance that swings around an axis. When submerged, the water applies force on the flat rectangular face, producing a moment about the axis. The swinging arm has an adjustable counterbalance to maintain equilibrium. A graduated scale indicates water levels, and the tank features adjustable supporting legs for leveling and a drainage valve for easy handling.

This setup enables practical experiments on hydrostatics, helping learners understand the theory through observation. It provides accurate, repeatable results that are useful in both academic training and practical engineering applications. By combining simplicity with precision, it makes complex fluid mechanics concepts easier to grasp and apply.

Water tank:

  • Transparent PMMA.
  • Capacity: 6.0 L

Distance between the suspended masses and support point: 300mm

Area of the section: 0.008m2

Total Depth of submerged quadrant: 165mm

Height of the support point on the quadrant: 100mm

Weights:

  • 2x 0.5N.
  • 4x 1N.
  • 2x 2N.
  • 1x 2.5N.

LxWxH: 500x4350x400 mm.

Weight: approx. 6kg.

Accessories (Included):

  • Instruction Manual

Operating Conditions:

  • Laboratory Temperature: 5oC to 40oC

Note:

  • This product may produce small splashes of water in use, so you must use it at a safe distance from electrical supplies. ESOLS recommends approximately 2.0 m.
  • Study of the relationship between hydrostatic force and head of water for a fully and partially submerged vertical plane body.
  • Pressure distribution along an effective area in a liquid at rest.
  • Determination of the centre of pressure and centre of area.
  • Comparison of actual and theoretical hydrostatic force on a fully or partially submerged plane for any given head of water.
  • Determination of the center of pressures with partially submerged.
  • Determination of the resultant force with partially submerged.
  • Determination of the center of pressures with totally submerged.
  • Determination of the resultant force with totally submerged.
  • Balance of momentum. 
  • Simple construction.
  • Easy to operate and understand.
  • Clear Transparent PMMA Construction.
  • Stand-alone apparatus just needs clean water.
  • Investigation of the hydrostatic pressure in fluids at rest.
  • Lever arm with different weights.
  • Anti-corrasion structure.
  • Have adjustable levelling feet.
  • Can be used with Base Water supply ESOLS Hydraulic Bench (SMT-FM-100).