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lungime
l [m]
masa
m [kg]
cantitate substanta
n[mol]
intensitate curent
I [A]
unghi plan
[rad]
intensitate lumina
[Cd]
viteza
w [m/s]
putere
P [W]
[W]=?
J/s
[J]=?
kg*m²/s²
forta
F= [N]
[N]=?
kg*m/s²
acceleratie
a [m/s²]
densitate
[kg/m³]
greutate specifica
[N/m³]
presiune
p [Pa] sau [atm] sau [N/m²]
vascozitate dinamica
niu [Pa*s]
vas cinetica
=niu/densitate [m²/s]
debit vol
Gv [m³/h]
debit masic
Gm [kg/h]
tensiune superficiala
sigma [N/m]
Caldura specifica
Cp [J/kg*K]
coeficient partial de transport termic
alpha [W/m²*K]
conductivitate termica
landa [W/m*K]
coef. de difuzie
D [m²/s]
coef. partial de transport de masa
k [m/s]