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An Analytical Investigation of Natural Convection of a Van Der Waals Gas over a Vertical Plate

  • The study focused on a theoretical study of natural convection in a van der Waals gasnear a vertical plate. A novel simplified form of the van der Waals equation derived in the studyenabled analytical modeling of fluid flow and heat transfer. Analytical solutions were obtained forthe velocity and temperature profiles, as well as the Nusselt numbers. It was revealed that nonlineareffects considered by the van der Waals equation of state contribute to acceleration or decelerationof the flow. This caused respective enhancement or deterioration of heat transfer. Results for a vander Waals gas were compared with respective computations using an ideal gas model. Limits of theapplicability of the simplified van der Waals equations were pinpointed.

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Metadaten
Author:Andriy A. Avramenko, Igor V. Shevchuk, Margarita M. Kovetskaya
URN:urn:nbn:de:hbz:832-epub4-16805
DOI:https://doi.org/10.3390/fluids6030121
ISSN:2311-5521
Parent Title (English):Fluids
Year of Completion:2021
Publisher:MDPI
Document Type:Article
Language:English
Date of first Publication:2021/03/15
Date of Publication (online):2021/09/16
GND-Keyword:Freie Konvektion; Geschwindigkeitsverteilung; Nusselt-Zahl; Temperaturverteilung; Wärmeübertragung
Tag:Fluid flow; Heat transfer; Natural convection; Nusselt number; Temperature profiles; Van der Waals gas; Velocity profiles
Volume:6
Issue:3
Page Number:13
Institutes:Informatik und Ingenieurwissenschaften (F10) / Fakultät 10 / Institut Allgemeiner Maschinenbau
Dewey Decimal Classification:500 Naturwissenschaften und Mathematik
Open Access:Open Access
DeepGreen:DeepGreen
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International