Numerical prediction of entropy generation due to natural convection from a horizontal cylinder

B. A.K. Abu-Hijleh; M. Abu-Qudais; E. Abu Nada

doi:10.1016/S0360-5442(98)00103-0

Numerical prediction of entropy generation due to natural convection from a horizontal cylinder

B. A.K. Abu-Hijleh, M. Abu-Qudais, E. Abu Nada

Mechanical & Nuclear Engineering

Jordan Univ. of Sci./Technology

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

Entropy generation due to natural convection has been calculated for three radii and a wide range of Rayleigh numbers for an isothermal cylinder. It was predominantly caused by conduction. The viscous contribution was negligible. Locations of high local entropy generation were identified for different configurations. The total entropy generation decreased with increasing cylinder size for a given value of the Rayleigh number.

Original language	British English
Pages (from-to)	327-333
Number of pages	7
Journal	Energy
Volume	24
Issue number	4
DOIs	https://doi.org/10.1016/S0360-5442(98)00103-0
State	Published - Apr 1999

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title = "Numerical prediction of entropy generation due to natural convection from a horizontal cylinder",

abstract = "Entropy generation due to natural convection has been calculated for three radii and a wide range of Rayleigh numbers for an isothermal cylinder. It was predominantly caused by conduction. The viscous contribution was negligible. Locations of high local entropy generation were identified for different configurations. The total entropy generation decreased with increasing cylinder size for a given value of the Rayleigh number.",

author = "Abu-Hijleh, {B. A.K.} and M. Abu-Qudais and {Abu Nada}, E.",

year = "1999",

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AU - Abu-Hijleh, B. A.K.

AU - Abu-Qudais, M.

AU - Abu Nada, E.

PY - 1999/4

Y1 - 1999/4

N2 - Entropy generation due to natural convection has been calculated for three radii and a wide range of Rayleigh numbers for an isothermal cylinder. It was predominantly caused by conduction. The viscous contribution was negligible. Locations of high local entropy generation were identified for different configurations. The total entropy generation decreased with increasing cylinder size for a given value of the Rayleigh number.

AB - Entropy generation due to natural convection has been calculated for three radii and a wide range of Rayleigh numbers for an isothermal cylinder. It was predominantly caused by conduction. The viscous contribution was negligible. Locations of high local entropy generation were identified for different configurations. The total entropy generation decreased with increasing cylinder size for a given value of the Rayleigh number.

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U2 - 10.1016/S0360-5442(98)00103-0

DO - 10.1016/S0360-5442(98)00103-0

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SN - 0360-5442

VL - 24

SP - 327

EP - 333

JO - Energy

JF - Energy

IS - 4

ER -

Numerical prediction of entropy generation due to natural convection from a horizontal cylinder

Abstract

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