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# 13.7.1.4: Total Pressure Loss

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The total pressure between two points, ($$a$$ and $$b$$) can be calculated with integration as
$\Delta P_{ab} = \int_a^b \dfrac{dP}{dx} dx \label{phase:eq:TdeltaP} \tag{39}$
and therefore
$\Delta P_{ab} = \overbrace ParseError: invalid DekiScript (click for details) Callstack: at (Under_Construction/Book:_Fluid_Mechanics_(Bar-Meir)__-_old_copy/13:_Multi–Phase_Flow/13.7:_Homogeneous_Models/13.7.1:_Pressure_Loss_Components/13.7.1.4:_Total_Pressure_Loss), /content/body/p/span[1], line 1, column 1  ^{friction} + \overbrace ParseError: invalid DekiScript (click for details) Callstack: at (Under_Construction/Book:_Fluid_Mechanics_(Bar-Meir)__-_old_copy/13:_Multi–Phase_Flow/13.7:_Homogeneous_Models/13.7.1:_Pressure_Loss_Components/13.7.1.4:_Total_Pressure_Loss), /content/body/p/span[2], line 1, column 1  ^{acceleration} + \overbrace ParseError: invalid DekiScript (click for details) Callstack: at (Under_Construction/Book:_Fluid_Mechanics_(Bar-Meir)__-_old_copy/13:_Multi–Phase_Flow/13.7:_Homogeneous_Models/13.7.1:_Pressure_Loss_Components/13.7.1.4:_Total_Pressure_Loss), /content/body/p/span[3], line 1, column 1  ^{gravity} \label{phase:eq:TdeltaPpart} \tag{40}$

### Contributors

• Dr. Genick Bar-Meir. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or later or Potto license.