A nonlinear fin design problem in determining the optimum shapes of fully wet annular fins

CH Huang, YL Chung - Applied Thermal Engineering, 2016 - Elsevier
… Because the thermal conductivity of an annular fin is a function of temperature in many
practical engineering applications, the nonlinear optimum shape design problem is considered in …

Optimal design of annular fin shapes with temperature-dependent properties

CH Huang, YL Chung - Journal of Thermophysics and Heat Transfer, 2018 - arc.aiaa.org
… design the optimal shape of the annular fins based on the desired fin efficiency and fin volume
… The functional form of the optimum fin shape is not required before the estimation, and the …

Comparison of optimal thermal performances of finned tube annuli with various fin shapes

DK Kim - International Journal of Heat and Mass Transfer, 2021 - Elsevier
… They observed that annular fins are effective for high Reynolds numbers and high Prandtl …
He also proposed a method to improve the fin shape, termed as cut-and-twist fin modification, …

Optimum configurations of annulus with triangular fins for laminar convection

Z Iqbal, KS Syed, M Ishaq - Thermal Science, 2017 - doiserbia.nb.rs
… either optimizing the fin shape for specified geometry … optimum configuration of FDP. Here
configuration means the number of the fins their height of the fin relative to the annular gap, fin-…

Geometric size optimization of annular step fin using multi-objective genetic algorithm

A Deka, D Datta - Journal of Thermal Science and …, 2017 - asmedigitalcollection.asme.org
shape of an annular fin is of rectangular cross section. However, the cross-sectional area of
a rectangular annular fin being constant, fin … present the tradeoff optimal scenarios based on …

Geometric optimization of a highly conductive insert intruding an annular fin

MR Hajmohammadi, E Rasouli, MA Elmi - International Journal of Heat and …, 2020 - Elsevier
… insert volume in fin, an optimum shape of the insert cross-section shape (… shape of the insert
is the ratio of t i r i . Hence, the purpose is to find the optimum t i r i in order to minimize the fin

Design and analysis of multi-scale annular fins attached to a pin fin

MR Hajmohammadi - International Journal of Refrigeration, 2018 - Elsevier
… Using an analytical model based on the Differential Transform Method and Adomian
Decomposition Method, an optimum design parameters of a wet T-shaped fin by considering …

Numerical investigation on optimal number of longitudinal fins in horizontal annular phase change unit at different wall temperatures

X Cao, Y Yuan, B Xiang, L Sun, Z Xingxing - Energy and Buildings, 2018 - Elsevier
… , shape, and size of the fins … the optimal number of fins in a horizontal annular phase change
unit for different wall temperatures. To investigate the correlation between the number of fins

A proper analytical analysis of annular step porous fins for determining maximum heat transfer

B Kundu, KS Lee - Energy Conversion and Management, 2016 - Elsevier
annular stepped fin is a common choice for enhancing heat transfer from a cylindrical primary
surface. This typical fin shape … that the porous fin transfer always more heat at an optimum

Relative assessment of various annular fin shapes for heat transfer and pressure penalty

M Shah, R Shah - Journal of Mechanical Engineering and …, 2022 - journal.ump.edu.my
… Thus, there is a need to test the various shapes of annular fin for optimum heat transfer
with low pressure penalty. Three different shapes of annular fin are developed, and their heat …