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Fluid physical properties

Fluid physical properties. Properties of Fluid. Density - Density, ρ is the mass per unit volume. Units: Kilograms per cubic metre , kg / m 3 Dimensions : M/L 3 Typical values: Water = 1000 kg/m 3 , Mercury = 13546 kg/m 3. Specific Weight

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Fluid physical properties

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  1. Fluid physical properties

  2. Properties of Fluid • Density - Density, ρ is the mass per unit volume. Units: Kilograms per cubic metre, kg / m3 Dimensions: M/L3 Typical values: Water = 1000 kg/m3, Mercury = 13546 kg/m3

  3. Specific Weight - Specific weight, γ is the weight per unit volume. Units: Newton’s per cubic meter, N / m3 Dimensions: M/L2T 2. Typical values: Water =9814 N/m3, Mercury = 132943 N/m3

  4. Relative Density - Relative density, σ is the ratio of the fluid density to the water density. Units: None, since a ratio is a pure number. Dimensions: 1. Typical values: Water = 1, Mercury = 13.5

  5. Viscosity - Viscosity, μis the property of a fluid, due to cohesion and interaction between molecules, which offers resistance to sheer deformation. Units N m-2 ; kg m-1s-2 Dimensions ML-1T -2 Typical values: Water =1.14 x 10-3kgm-1 s-1 , Air =1.78 x 10-5kgm-1 s-1 , Mercury =1.552 kgm-1 s-1

  6. Dynamic Viscosity - Dynamic viscosity, ν , is defined as the ratio of viscosity to mass density. Units: square meters per second, m2 s-1 Dimensions: L2T -1 . Typical values: Water =1.14 x 10-6m2 s-1 , Air =1.46 x 10-5 m2 s-1 , Mercury =1.145 x 10-4 m2 s-1

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