(1) | \mu_w(T, p) = \mu_0 \cdot \exp \left[ \, (a +a_1 \, T) \, p + (a_2 -a_3 \, T) \, p^2 + \frac{E - (b+b_1 \, T ) \, p} {R \, \left( T - \theta -(c+c_1 \, T) \, p \right)} \, \right] |
\mu_w | Dynamic viscosity, cp | a | 2.547 · 10−4 bar-1 |
T | Temperature , K = 273 K ÷ 463 K | a_1 | |
p | Pressure, bar = 1 bar ÷ 800 bar | a_2 | 7.967 · 10−8 bar-2 |
R | Gas constant = 8.31446 · 10−3 kJ ⋅ mol−1 ⋅ K−1 | a_3 | |
\mu_0 | 2.4055 ·10−2 cp | b | |
E | b_1 | ||
\theta | 139.7 K | c | |
c_1 | 6.32 · 10−5 bar-1 |
See Also
Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / PVT Water correlations / Water viscosity correlations
References
Лихачев - Зависимость вязкости воды от температуры и давления - ЖТФ - 2003, том 73, вып. 4