Viscous Pressure Resistance
Viscous Pressure Resistance
- New search for: Birk, Lothar
- New search for: Birk, Lothar
The ideal flow assumption used in potential theory is useful in a number of cases. The displacement effect changes the pressure distribution around a hull, which results in the viscous pressure resistance. In some cases, especially for blunt bodies, flow separation may amplify the effect. This chapter explains the effect of the boundary layer and flow separation on the pressure distribution around a cylinder. It compares the pressure coefficient derived for inviscid flow with typical experimental results for laminar viscous flow and turbulent viscous flow. The chapter also compares the pressure force distributions on the cylinder surface for resistance of cylinder ideal flow and turbulent viscous flow. For the latter, the pressure force distribution is no longer symmetric with respect to the y‐axis. Both, front and back, feature differential pressure forces which point in flow direction (against the movement of the cylinder) and result in the viscous pressure resistance.
Document information
Viscous Pressure Resistance
Fundamentals of Ship Hydrodynamics ; 223-229
2019-05-06
7 pages
Article/Chapter (Book)
Electronic Resource
English
Similar titles
Scale effects on wake distribution and viscous pressure resistance of ships
| Tema Archive | 1979
Analysis of viscous ship resistance
| IOS Press | 1954
Experimental and Numerical Investigations into Viscous Resistance
| British Library Conference Proceedings | 2001