1; properti of fluids
TRANSCRIPT
Oleh: S.I.Muda
MEKANIKA FLUIDA & HIDROLIKA 2
FUNDAMENTALS
1.1. Properti of Fluids1.2. Flow Description1.3. Control Volume1.4. Fundamental Law of Physics
PROPERTI OF FLUIDS
DENSITY
PROPERTI OF FLUIDS
DENSITYMass per unit volume r [kg/cu-m]For Water, 1000 kg/cu-m at 4 oC & 998 kg/cu-m at 20 oC.
SPECIFIC GRAVITYRatio of the subtance’s density and water density at 4 oC; SG [ ]
PROPERTI OF FLUIDS
PROPERTI OF FLUIDS
PRESSURE
PROPERTI OF FLUIDS
PRESSURENormal fluid force divide by area over which it acts (N/sq-m).
PROPERTI OF FLUIDS
VISCOSITY & SHEAR STRESSThe viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. For liquids, it corresponds to the informal notion of "thickness". For example, honey has a higher viscosity than water.
PROPERTI OF FLUIDS
PROPERTI OF FLUIDS
PROPERTI OF FLUIDS
PROPERTI OF FLUIDS
PROPERTI OF FLUIDS
VISCOSITY & SHEAR STRESS
μ = absolute viscosity [N.s/ sq-m]
τ = shear stress [N/sq-m]
υ = viscosity (kinematic) [sq-m/s]r
dUAF
dydu
PROPERTI OF FLUIDS
TEST:
PROPERTI OF FLUIDS
TUGAS 1:
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