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Fluid Mechanics.
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Exam of 2 pages for the course LPSP1202 - Chapitre 12 - Troubles du sommeil at LPSP1202 - Chapitre 12 - Troubles du sommeil (Fluid Mechanics.)
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Fluid Mechanics✅anything that flows; liquid and gas
Fluid-
What is Pressure caused by-✅the weight of the column of fluid above that
point + pressure acting on the surface of that column
Absolute Pressure- ✅the difference between the measured pressure and a
vacuum
✅
Gauge Pressure- the difference between measure pressure and
atmospheric pressure
✅
Eureka- states that the buouant force on a submerged object is based
upon the weight of the displaced fluid
Definition of Pressure P = F/A-✅F = force in Newtons A = surface area in
m2
Density roe = m/V- ✅V = volume in m3 m = mass in kg
✅
Pressure in a Static Column of Fluid (at any point in the fluid) P = P0 +
(roe)gh- P = pressure in pascals P0 = pressure acting on surface of the
fluid roe = density in kg/m3 g = acceleration due to gravity h = height of the
column of fluid above the point where pressure is being determined
✅
Buoyancy Force Fb = (roe)Vg- roe = density of displaced fluid in kg/m3 V
= volume of displaced fluid in m3
✅
Continuity Equations A1v1 = A2v2 V/T = Av m/t = (roe)Av- A = cross
sectional area of pipe or flow tube in m2 v = fluid velocity in m/s V/t =
volumetric flow rate in m3/s m/t = mass flow rate in kg/s roe = density of
fluid in kg/m3
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