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The above equations are valid for both producers producers 

LaTeX Math Inline
bodyq>0
and injectors
LaTeX Math Inline
bodyq<0
.


Expand
titleDerivation


Panel
borderColorwheat
bgColormintcream
borderWidth7


LaTeX Math Block
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p_{wf, 1} = p_{wf} = p_1 - q_1/J_1


LaTeX Math Block
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p_{wf,2} = p_{wf} + \delta p_2 = p_2 - q_2/J_2


This leads to

LaTeX Math Block
anchor23CBN
alignmentleft
q_1 = J_1 \cdot (p_1 - p_{wf})


LaTeX Math Block
anchor23CBN
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q_2 = J_2 \cdot (p_2 - p_{wf,2}) = J_2 \cdot ((p_2-\delta p_2)- p_{wf})

and

LaTeX Math Block
anchor23CBN
alignmentleft
q = q_1 + q_2 = q_1 = J_1 \cdot (p_1 - p_{wf})+ J_2 \cdot ((p_2-\delta p_2)- p_{wf})


LaTeX Math Block
anchor23CBN
alignmentleft
q =  - (J_1+J_2)\cdot  p_{wf} + J_1 \cdot p_1 + J_2 \cdot (p_2-\delta p_2)

or

LaTeX Math Block
anchor23CBN
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q =  J \cdot (p_e - p_{wf}), \ {\rm where} \ J = J_1 + J_2 \ {\rm and} \ p_e = J^{-1} \cdot (J_1 \cdot p_1 + J_2 \cdot (p_2-\delta p_2))



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