macam-macam fluida, deskripsi, perumusan

1. MEKANIKA FLUIDA &
HIDROLIKA 2

2. 1.1. Properti of Fluids
1.2. Flow Description
1.3. ControlVolume
1.4. Fundamental Law of Physics

3. DENSITY

4.  DENSITY
Mass per unit volume r [kg/cu-m]
ForWater, 1000 kg/cu-m at 4 oC & 998 kg/cu-
m at 20 oC.

5.  SPECIFIC
GRAVITY
Ratio of the
subtance’s
density
and water
density
at 4 oC; SG [ ]

6.  PRESSURE

7.  PRESSURE
Normal fluid force divide by area over which
it acts (N/sq-m).

8.  VISCOSITY & SHEAR STRESS
The 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.

13.  VISCOSITY & SHEAR STRESS
μ = absolute viscosity [N.s/ sq-m]
τ = shear stress [N/sq-m]
υ = viscosity (kinematic) [sq-m/s]
r







d
UA
F
dy
du

14.  TEST:

15.  TUGAS 1:
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