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LaTeX Math Block
anchortau
alignmentleft
\tau(t) = \int_0^t \frac{dt}{\mu(p) \, c_t(p)}

where

LaTeX Math Inline
body\mu(p)

dynamic fluid viscosity

LaTeX Math Inline
bodyc_t(p)

total compressibility


It is widely used

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in Pressure Diffusion @model and transient data analysis (PTARTA ) of strongly compressible fluids.

The name "Pseudo

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-Time"  is misnomer as Pseudo

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-Time is not actually a 

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time in terms of physical property and has a different dimension.

The value of Normalized Pseudo-Time differs from Pseudo-Time by a constant multiplier but represents an actually time in terms of physical property and has the same dimension.

See also

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Physics / Mechanics / Continuum mechanics / Fluid Mechanics / Fluid Dynamics / Pressure Diffusion / Pressure Diffusion @model

Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing Pressure Testing 

[ Normalized Pseudo-Time ]