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3
g  d     
Ar  r l , (3.4)
2
  
l
Laplace criteria
   d
Lp  s , (3.5)
 2
Nuselts criteria
a d 
Nu  , (3.6)

Fourier criteria
 t 
Fo  , (3.7)
c h  2
r
Peclet criteria
 c  h
Pe  l , (3.8)

where: υ – filtration rate;
d – diameter;
ν – kinematic viscosity coefficient;
ρ r – density of rock;
ρ l – density of the liquid;
ρ s – density of steam;
σ – coefficient of surface tension;
μ – dynamic viscosity coefficient;
а – heat transfer coefficient;
λ – coefficient of thermal conductivity;
g - acceleration of gravity;
t – time;
с r - volumetric heat capacity of layer;
с l – volumetric heat capacity of liquid,
h – thickness of the layer.
Task 3.1
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