Flows of Newtonian and power-law fluids in symmetrically corrugated cappilary fissures and tubes

• Autorzy: Walicka A.

Identyfikatory

DOI

10.1515/ijame-2018-0011

• Języki publikacji: EN

Abstrakty

EN

In this paper, an analytical method for deriving the relationships between the pressure drop and the volumetric flow rate in laminar flow regimes of Newtonian and power-law fluids through symmetrically corrugated capillary fissures and tubes is presented. This method, which is general with regard to fluid and capillary shape, can also be used as a foundation for different fluids, fissures and tubes. It can also be a good base for numerical integration when analytical expressions are hard to obtain due to mathematical complexities. Five converging-diverging or diverging-converging geometrics, viz. wedge and cone, parabolic, hyperbolic, hyperbolic cosine and cosine curve, are used as examples to illustrate the application of this method. For the wedge and cone geometry the present results for the power-law fluid were compared with the results obtained by another method; this comparison indicates a good compatibility between both the results.

Słowa kluczowe

EN

power-law fluid; laminar flow; symmetrically corrugated capillaries; capillary fissures; capillary tubes

PL

płyn energetyczny; przepływ laminarny; rurka kapilarna

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2018
• Tom: Vol. 23, no. 1
• Strony: 187--211
• Opis fizyczny: Bibliogr. 24 poz., wykr.

Twórcy

autor

Walicka A.

• University of Zielona Góra, Faculty of Mechanical Engineering ul. Szafrana 4, 65-516 Zielona Góra, POLAND

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018)