The influence of surfactant additives on friction losses in the turbulent flow

• Autorzy: Matras Z. , Głód J. , Malcher T.
• Konferencja: Proceedings of the International Conference on Engineering Rheology ICER '99
• Języki publikacji: EN

Abstrakty

EN

In this paper, the measurement results of rheological behaviour of the surfactant solutions have been presented. The influence of pipe diameter and non-Newtonian behaviour index of the surfactant solutions on drag reduction phenomena were investigated. The results are presented in various, dimensionless co-ordinate systems. The influence of the Reynolds number definition on the shape and the position of the friction factor curve has been emphasised. The phenomena of drag reductions caused by high molecular polymers and surfactants have been compared.

Słowa kluczowe

EN

drag reduction; surfactant solutions; turbulent pipe flow; rheology; fanning friction factor

PL

reologia

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: Applied Mechanics and Engineering
• Rocznik: 1999
• Tom: Vol. 4, no spec.
• Strony: 441--446
• Opis fizyczny: Bibliogr. 8 poz., wykr.

Twórcy

autor

Matras Z.

autor

Głód J.

autor

Malcher T.

• Cracow University of Technology, Institute of Process and Power Engineering Department of Fluid Mechanics, Al. Jana Pawła II 37, PL-31-866 Kraków POLAND