Výsledky vyhledávání - "Thermal entry flow"

Akademický článek

Thermal entry flow problem for Rabinowitsch fluid subject to circular tube and flat channel with uniform heat flux boundary conditions

Autor: Muhammad Waris Saeed Khan, Zeeshan Asghar, Khalil Ur Rehman, Wasfi Shatanawi

Publikováno v: Case Studies in Thermal Engineering, Vol 45, Iss , Pp 102980- (2023)

The heat exchangers, chemical reactors, cooling/heating systems and haemodialysis are specific areas due to which Graetz thermal problem is considered as fundamental flow in the duct along with heat and mass transfer aspects. Owing to its importance

Externí odkaz: https://doaj.org/article/361900ac4b78404e9e1659b4b2583355

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Akademický článek

Thermal entry flow problem for Giesekus fluid inside an axis-symmetric tube through isothermal wall condition: a comparative numerical study between exact and approximate solution.

Autor: Khan, Muhammad Waris Saeed¹ (AUTHOR) waris.saeed88@gmail.com, Ali, Nasir¹ (AUTHOR) nasir.ali@iiu.edu.pk

Publikováno v: Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences. Nov2021, Vol. 76 Issue 11, p973-984. 12p.

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Thermal entry flow problem for Giesekus fluid inside an axis-symmetric tube through isothermal wall condition: a comparative numerical study between exact and approximate solution

Autor: Nasir Ali, Muhammad Waris Saeed Khan

Publikováno v: Zeitschrift für Naturforschung A. 76:973-984

The thermal entry flow problem also known as the Graetz problem is investigated for a Giesekus fluid model. Both analytical (exact) and approximate solutions for velocity are obtained. The nondimensional pressure gradient is numerically obtained via

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96bfd2e006d2b0fb349d1d6b3b6132a5
https://doi.org/10.1515/zna-2021-0098

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Akademický článek

Thermal entry flow for a viscoelastic fluid: the Graetz problem for the PTT model

Autor: Coelho, P.M., Pinho, F.T., Oliveira, P.J.

Publikováno v: In International Journal of Heat and Mass Transfer 2003 46(20):3865-3880

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Thermal entry flow of power-law fluid through ducts with homogeneous slippery wall(s) in the presence of viscous dissipation

Autor: Nasir Ali, Muhammad Waris Saeed Khan

Publikováno v: International Communications in Heat and Mass Transfer. 120:105041

This article investigates the Graetz problem for an inelastic power-law fluid by incorporating the effects of homogeneous slippery surface(s). The energy equation with viscous dissipation term is handled by employing the separation of variable method

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::41fb9c3aede5cedf9defef3e602f6219
https://doi.org/10.1016/j.icheatmasstransfer.2020.105041

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Thermal entry flow for a viscoelastic fluid: the Graetz problem for the PTT model

Autor: P.M. Coelho, Paulo J. Oliveira, Fernando T. Pinho

Publikováno v: International Journal of Heat and Mass Transfer. 46:3865-3880

A theoretical study of the entrance thermal flow problem is presented for the case of a fluid obeying the Phan-Thien and Tanner (PTT) constitutive equation. This appears to be the first study of the Graetz problem with a viscoelastic fluid. The solut

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::07cbbdb718ad701fee6fb8dbb7c79fcf
https://doi.org/10.1016/s0017-9310(03)00179-0

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