The influence of channel tortuousity on hydraulic resistance

• Autorzy: Cieślicki, K. , Lasowska, A. , Smolarski, A.
• Języki publikacji: EN

Abstrakty

EN

The results of investigations concerning the tortuousity of pore channels are presented. Although the tortuousity factor is present in the famous Kozeny-Carman formula, its determination in empirical way is difficult. A variable shape tube of the constant cross-section represents the most simple tortuousity model. The relation between the exactly defined channel tortuousity and the overall hydraulic resistance was determined experimentally. Investigations were carried out applying a collection of multiple-bend and coiled tube models. It was observed that centrifugal effects related to channel tortuousity give rise to hydrodynamic phenomena represented by the non-linear correction term to the well known Darcy's law involving 3/2 exponent in flow rate.

Słowa kluczowe

EN

2D tortuous channels; 3D tortuous channels; flow characteristics; flow non-linearity

• Czasopismo: Bulletin of the Polish Academy of Sciences. Earth Sciences
• Rocznik: 2000
• Tom: Vol. 48, nr 2
• Strony: 161-173
• Opis fizyczny: Bibliogr. 24 poz.

Twórcy

autor

Cieślicki, K.

autor

Lasowska, A.

autor

Smolarski, A.