AUV-EE After my drag and terminal velocity theoresing (thats all it was, but should be valid for any fluid)
Water Viscosity at High Pressure and Temperature
We have documented a two-fold increase in the viscosity of water from 0.1 MPa (1 bar) to 1 GPa at room temperature
Given the importance of water in planetary geophysics, it is surprising that almost no measurements of viscosity are available above 1 GPa.
400bar about 40 MPa
Conclusion So yes, even at 2 x viscosity
unlikely to be any substantial change in drag
