The objective of this article is to study the work carried out in heat transfer augmentation
using active and passive techniques. A comprehensive summary of the work is highlighted …

The development of innovative heat exchangers with improved heat transfer performance is
an important concern for heat transfer applications. The use of passive techniques such as …

This paper investigates the turbulent entropy production rate of water flow in convergent and
divergent pipes with and without twisted tape inserts for the first time. A carefully validated …

This paper aims to present a numerical model for heat transfer intensification in a heat
exchanger tube equipped with novel double V-cut twisted tape. The effects of different cut …

The heat transfer and flow characteristics have been numerically investigated in the cross-
combined dimple tube with the k-ε model, and the enhancement model based on composite …

Abstract Double Pipe Heat exchangers (DPHE) are widely used in high voltage and air
conditioning, bioprocessing, refineries, etc. Various parameters such as twist ratio, the …

This manuscript presents detailed literature related to the studies of convection heat transfer
of nanofluids in different flow regimes for different heat transfer devices like tubes, heat …

In this current article, we developed a theoretical model for the bioconvective microbial
activities through the nanofluid flow. The appearance of activation energy and Arrhenius …

Present study investigates the heat transfer and friction characteristics of heat exchanger
tube fitted with perforated twisted tape (PTT) insert having V cuts. A copper tube of 1 m …

Numerical Studies on Thermo-Hydraulic Characteristics of Turbulent Flow in a Tube with a
Regularly Spaced Dimple on Twisted Tape Page 1 CFD Letters 13, Issue 8 (2021) 20-31 20 CFD …