SEMESTRE 2 - FdC 1 - Formules Flashcards

1
Q

Tube en U

A
Pa = Pb 
Pc = Pa + ρgh
ρ(eau) = 10^3 kg.m^-3
h = V/S
1 cm3 = 1 mL
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Conservation du débit :
Q = ?
S = ?

A
Q = S1 x v(moy)1 = S2 x v(moy2) = Sn x v(moy)n
S = π x (d/2)^2
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Bernoulli :

v = ?

A

v = √(2gh)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Reynolds

A

R5000 : turbulent

R = ρvr/η

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Pression et force

A

La pression, c’est la force exercée sur une surface.

P = F/S

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Débit, loi de Poiseuille :

D = ?

A

D = R x ΔP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Résistance, loi de Green :

R = ?

A

R = 8lη/πr^4

Donc r PROP à 1/r^4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Perte de charge, loi de Green/Poiseuille :

ΔP = ?

A

ΔP = R x D = 8lη/πr^4 x D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Puissance, loi de Green :

∏ =

A
∏ = ΔP x D 
∏ = R x D x D
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

1cmH2O = ?

A

98 Pa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

1mmHg = ?

A

130 Pa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

1 bar = 1 atm = ?

A

10^5 Pa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

ATTENTION v(moy) = ?

A

v(moy) = v(max)/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly