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期刊名称: European Journal of Mechanics / B Fluids
Volume:65    Page:184-191
ISSN:0997-7546

Condensation of laminar film over curved vertical walls using single and two-phase nanofluid models期刊论文

作者: Turkyilmazoglu Mustafa
DOI:10.1016/j.euromechflu.2017.04.007

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页码: 184-191
被引频次: 42
出版者: Elsevier Masson SAS,ELSEVIER SCIENCE BV,Elsevier B.V
期刊名称: European Journal of Mechanics / B Fluids
ISSN: 0997-7546
语言: English
摘要: Recently, an analytical solution was derived for the governing equations of condensate laminar film from stationary vapors on curved vertical walls of convex/concave shape (Soliman et al., 2014). The present research paper develops a theory covering the impacts of different nanofluids and derives further closed-form solutions concerning the hydrodynamic and thermal transport through the condensate film over curved walls when the single phase and two-phase models of nanofluids are taken into account. From both approaches, exact expressions are obtained for the velocity and temperature fields as well as the shear stress, thickness and Nusselt number of the film influenced by the presence of nanoparticles of frequently used nanofluids in the literature. It is found that heat transfer is enhanced, even more in the two-phase model case in the presence of nanoparticles. The concentration of nanoparticles favors the best rate of heat transfer among the considered nanofluids.
相关主题: Curved walls, Film condensation, Heat transfer, Nanofluids, Exact solution, NATURAL-CONVECTION, HEAT-TRANSFER, PHYSICS, FLUIDS & PLASMAS, SLIP, TUBES, FLOW, NANOPARTICLES, VAPOR, MECHANICS, RADIUS, CURVATURE, SURFACE,

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