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LaTeX Math Block
anchordivW
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\partial_t \bigg [  \phi \ \bigg (  \frac{s_w}{B_w}  \bigg ) \bigg ]  +  \nabla \bigg (     \frac{1}{B_w} \ \mathbf{u}_w  \bigg )      = 
q_W (\mathbf{r})
LaTeX Math Block
anchordivO
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\partial_t \bigg [  \phi \ \bigg (  \frac{s_o}{B_o} + \frac{R_v \ s_g}

{B_g}  \bigg ) \bigg ]  +  \nabla \bigg (     \frac{1}{B_o} \ \mathbf{u}_o 

+    \frac{R_v}{B_g} \   \mathbf{u}_g   \bigg )       = q_O(\mathbf{r})
LaTeX Math Block
anchordivG
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\partial_t \bigg [  \phi \ \bigg (  \frac{s_g}{B_g} + \frac{R_s \ s_o}

{B_o}  \bigg ) \bigg ]  +  \nabla  \bigg (     \frac{1}{B_g} \ \mathbf{u}_g

+    \frac{R_s}{B_o} \ \mathbf{u}_o  \bigg )     = q_G (\mathbf{r})
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anchorDarcyW
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\mathbf{u}_w = - k_a \ \frac{k_{rw}(s_w, s_g)}{\mu_w} \ ( \nabla  P_w - \rho_w \  \mathbf{g} )
LaTeX Math Block
anchorDarcyO
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\mathbf{u}_o = - k_a \ \frac{k_{ro}(s_w, s_g)}{\mu_o} \ ( \nabla P_o - \rho_o \ \mathbf{g} )
LaTeX Math Block
anchorDarcyG
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\mathbf{u}_g = - k_a \ \frac{k_{rg}(s_w, s_g)}{\mu_g} \ ( \nabla P_g - \rho_g \ \mathbf{g} )
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anchorCapilarOW
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P_o - P_w = P_{cow}(s_w)
LaTeX Math Block
anchorCapilarOG
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P_o - P_g = P_{cog}(s_g)
LaTeX Math Block
anchorswsosg
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s_w + s_o + s_g = 1
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width30%




LaTeX Math Block
anchordivT
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(\rho \,c_{pt})_p \frac{\partial T}{\partial t} 
 
- \ \phi \sum_{a = \{w,o,g \}} \rho_\alpha \ c_{p \alpha} \ \eta_{s \alpha} \ \frac{\partial P_\alpha}{\partial t}  
 
+ \bigg( \sum_{a = \{w,o,g \}} \rho_\alpha \ c_{p \alpha} \ \epsilon_\alpha \ \mathbf{u}_\alpha \bigg)  \nabla P
 
+ \bigg( \sum_{a = \{w,o,g \}} \rho_\alpha \ c_{p \alpha} \ \mathbf{u}_\alpha \bigg) \  \nabla T 
 
 - \nabla (\lambda_t \nabla T) =  \
frac{\delta E_H}{ \delta V \delta t}
rho_{\rm inj} \, c_{\rm inj} \, T_{\rm inj} \, q_{\rm inj}({\bf r})\, \delta({\bf r})



The disambiguation fo the properties in the above equation is brought in The list of dynamic flow properties and model parameters.

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