Thermohydraulic performance and entropy generation in heat exchanger tube with louvered winglet tapes

P Promvonge, S Skullong - International Journal of Thermal Sciences, 2022 - Elsevier
The present article concerns with thermohydraulic performance, flow friction and entropy
generation analysis in a heated tube contained with louvered winglet tape (LWT). The …

Investigation of the entropy production rate of ferrosoferric oxide/water nanofluid in outward corrugated pipes using a two-phase mixture model

OG Fadodun, A Kaood, MA Hassan - International Journal of Thermal …, 2022 - Elsevier
This study investigates the turbulent entropy production rate of ferrosoferric oxide/water (Fe
3 O 4/H 2 O) nanofluid flowing through outward corrugated pipes of different profiles …

Entropy generation and thermal performance of tubular heat exchanger fitted with louvered corner-curved V-baffles

N Jayranaiwachira, P Promvonge, C Thianpong… - International Journal of …, 2023 - Elsevier
The current article deals with an experimental study on entropy generation analysis and
thermohydraulic performance of a uniform heat-flux tube equipped with louvered corner …

Experimental study of pure steam and steam–air condensation over a vertical corrugated tube

G Fan, P Tong, Z Sun, Y Chen - Progress in Nuclear Energy, 2018 - Elsevier
The natural convection condensation heat transfer outside the vertical smooth tube and
corrugated tube was experimentally investigated in pure steam and steam–air conditions …

Irreversibility analysis of the convective flow through corrugated channels: a comprehensive review

K Kumar, R Kumar, RS Bharj, PK Mondal - The European Physical …, 2021 - Springer
This article presents recent developments in flow configurations with built-in corrugated
structures at the walls of the channels towards the improvement of convective transport of …

Optimal design of a double pipe heat exchanger based on the outward helically corrugated tube

W Wang, Y Zhang, KS Lee, B Li - International Journal of Heat and Mass …, 2019 - Elsevier
A double pipe heat exchanger with outward helically corrugated tube is numerically studied
and optimized. Under the determined geometry parameters of the corrugated tube, the …

Numerical investigation of heat transfer enhancement inside heat exchanger tubes fitted with perforated hollow cylinders

ME Nakhchi, JA Esfahani - International Journal of Thermal Sciences, 2020 - Elsevier
This paper investigates the flow structure and thermal performance characteristics of the
fluid flow through a heat exchanger tube fitted with perforated hollow cylinders (PHCs) under …

Thermo-entropic analysis and multi-objective optimization of wavy lobed heat exchanger tube using DOE, RSM, and NSGA II algorithm

S Hadibafekr, I Mirzaee, M Khalilian… - International Journal of …, 2023 - Elsevier
In this study, the multi-objective optimizations (MOO) are conducted on a wavy twisted tri-
lobed tube using computational fluid dynamics (CFD) and genetic algorithm optimizer. To …

Numerical evaluation of the effect of utilizing twisted tape with curved profile as a turbulator on heat transfer enhancement in a pipe

M Outokesh, SSM Ajarostaghi, A Bozorgzadeh… - Journal of Thermal …, 2020 - Springer
A numerical analysis is performed to investigate the thermal performance of turbulent fluid
flow and heat transfer through a circular tube equipped with curved twisted tapes. The …

Enhanced heat transfer performance for multi-tube heat exchangers with various tube arrangements

W Wang, Y Shuai, B Li, B Li, KS Lee - … Journal of Heat and Mass Transfer, 2021 - Elsevier
Numerical evaluations were conducted on multi-tube heat exchangers with transverse
corrugated tubes and helically corrugated tubes. The complex flow features (coupled by …