Oluklu yüzeylere sahip mikrofiltrasyon membranlarının hazırlanması ve karakterizasyonu

Date

2014-09-06

Author

Gençal, Yiğit
Çulfaz Emecen, Pınar Zeynep

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https://hdl.handle.net/11511/72105

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Oluklu yüzeylere sahip mikrofiltrasyon membranlarının hazırlanması ve karakterizasyonu Çulfaz Emecen, Pınar Zeynep; Gençal, Yiğit(2014-07-15)
Fabrication and characterization of corrugated microfiltration membranes Gençal, Yiğit; Çulfaz Emecen, Pınar Zeynep; Department of Chemical Engineering (2014) In this study, the effect of corrugations on the membrane fouling performances of polyethersulfone (PES) membranes was investigated. Membranes were prepared by non-solvent induced phase inversion method and they were characterized by scanning electron microscopy (SEM), pure water permeance (PWP) and fouling during Baker’s yeast (saccharomyces cerevisiae) filtration. Since, it is nearly impossible to create the skin-layer on the mold side of the membrane a symmetric morphology was sought. In order to achieve...
Oluklu Isı Borularındaki Akışkanlar Mekaniği ve Isı Transferinin Fiziği Dursunkaya, Zafer (null; 2018-06-29)
A novel approach to condensation modeling at the fin top of a grooved heat pipe Akdağ, Osman; Dursunkaya, Zafer; Department of Mechanical Engineering (2019) Phase-change passive heat spreaders have the capability of carrying large amounts of heat from a heat source to a heat sink creating a small temperature difference. One common type of the passive heat spreaders is the heat pipes. The liquid flow inside a heat pipe is driven by the capillary pressure gradient created by a wick structure on the inner wall, which may be in the form of grooves, sintered grains or wire meshes. In the literature, grooved heat pipes are the most studied ones for modeling and exper...
Modeling of fluid -vapor interface in the condensation zone of a grooved heat pipe Alipour, Mobin; Dursunkaya, Zafer; Department of Mechanical Engineering (2017) Condensation in grooved heat pipes involves several simultaneous phenomena including vapor-liquid boundaries whose shapes are unknown a priori, fluid flow due to capillary and dispersion pressure gradients and condensation over ultra thin films. In grooved heat pipes, the majority of condensation occurs on fin tops due to the thinner liquid film, having a lower thermal resistance, compared to inside the groove where the fluid is substantially thicker. Majority of the studies in the literature assume an appr...

Citation Formats

Y. Gençal and P. Z. Çulfaz Emecen, “Oluklu yüzeylere sahip mikrofiltrasyon membranlarının hazırlanması ve karakterizasyonu,” 2014, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/72105.