Flow and heat transfer enhancement in tube heat exchangers

SAE Sayed Ahmed, OM Mesalhy, MA Abdelatief - Heat and Mass Transfer, 2015 - Springer
The performance of heat exchangers can be improved to perform a certain heat-transfer duty
by heat transfer enhancement techniques. Enhancement techniques can be divided into two …

[HTML][HTML] Energy transfer of a fin wetted with ZnO-SAE 50 nanolubricant: An application of α-parameterized differential transform method

F Gamaoun, NM Said, R Makki, RSV Kumar… - Case Studies in Thermal …, 2022 - Elsevier
In the field of mathematical physics, this research focuses on the new conservation forms of
the nonlinear fin equation. Nanolubricants with improved thermo-physical characteristics …

Transient thermal analysis of longitudinal fins with internal heat generation considering temperature-dependent properties and different fin profiles

S Mosayebidorcheh, M Farzinpoor, DD Ganji - Energy conversion and …, 2014 - Elsevier
The present paper aims to study the transient thermal analysis of longitudinal fins with
variable cross section considering internal heat generation. The profile shapes of the fins …

Transient thermal behavior of radial fins of rectangular, triangular and hyperbolic profiles with temperature-dependent properties using DTM-FDM

S Mosayebidorcheh, M Rahimi-Gorji, DD Ganji… - Journal of Central South …, 2017 - Springer
This work focuses on transient thermal behavior of radial fins of rectangular, triangular and
hyperbolic profiles with temperature-dependent properties. A hybrid numerical algorithm …

[HTML][HTML] Steady state heat transfer analysis in a rectangular moving porous fin

PL Ndlovu, RJ Moitsheki - Propulsion and Power Research, 2020 - Elsevier
In this article, the variation of temperature distribution and fin efficiency in a porous moving
fin of rectangular profile is studied. This study is performed using Darcy's model to formulate …

Thermal analysis of natural convection and radiation heat transfer in moving porous fins

PL Ndlovu, RJ Moitsheki - 2019 - wiredspace.wits.ac.za
In this article, the Differential Transform Method (DTM) is used to perform thermal analysis of
natural convective and radiative heat transfer in moving porous fins of rectangular and …

Analysis of heat transfer in a cylindrical spine fin with variable thermal properties

N Fallo, RJ Moitsheki, OD Makinde - Defect and Diffusion Forum, 2018 - Trans Tech Publ
In this paper we analyse the heat transfer in a cylindrical spine fin. Here, both the heat
transfer coefficient and thermal conductivity are temperature dependent. The resulting 2+ 1 …

Analysis of transient heat transfer in radial moving fins with temperature-dependent thermal properties

PL Ndlovu, RJ Moitsheki - Journal of Thermal Analysis and Calorimetry, 2019 - Springer
In this article, thermal analysis of radial moving fins of hyperbolic and rectangular profiles is
performed. A time-dependent nonlinear differential equation modeling heat transfer in a …

Analysis of temperature distribution in radial moving fins with temperature dependent thermal conductivity and heat transfer coefficient

PL Ndlovu, RJ Moitsheki - International Journal of Thermal Sciences, 2019 - Elsevier
In this article, a model describing heat transfer through radial moving fins of hyperbolic and
rectangular profiles is studied. The thermal conductivity and heat transfer coefficient are …

Predicting the temperature distribution in longitudinal fins of various profiles with power law thermal properties using the variational iteration method

LP Ndlovu, RJ Moitsheki - Defect and Diffusion Forum, 2018 - Trans Tech Publ
In this article, the variational iteration method (VIM) is used to analyze heat transfer in
longitudinal fins of various profiles with temperature dependent thermal conductivity and …