A thermal based RBC Aggregation model for two-phase blood flow

Erke Aribas*, Mustafa Serdar Celebi

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

3 Atıf (Scopus)

Özet

Creating a reliable and accurate Red Blood Cell (RBC) aggregation model for small and midsize arteries and veins is still an active research subject with more in focus with a multi-scale approach including mesoscale effects. Better understanding the RBC aggregation requires a multi-phase and multi-scale approach for simulating blood with Newtonian and non-Newtonian parts. In our proposed work, viscosity, shear rates, phase distributions and volume fractions with a range of hematocrit levels of RBC are calculated using the depletion interaction theory for two-phase blood flow simulation and compared with the numerical and experimental data in literature. In addition, thermal effects are modeled using energy equations and changes in RBC aggregation are studied with respect to thermal variations. Two-phase fluid-fluid model is used including inter-phase momentum exchange. A new shape factor is proposed for the coupling effects on drag and lift forces. Finally, total interaction energy of RBCs, hematocrit levels of blood at varying temperatures and effects of temperature on viscosity and relative apparent viscosity are computed at varying shear rates and compared with the existing data in literature.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)121-136
Sayfa sayısı16
DergiKorea Australia Rheology Journal
Hacim32
Basın numarası2
DOI'lar
Yayın durumuYayınlandı - 1 May 2020

Bibliyografik not

Publisher Copyright:
© 2020, The Korean Society of Rheology and Springer.

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