Supercritical and trans-critical carbon dioxide cycles are widely used for refrigerators, heat
pumps and power plants, of which the heat exchangers are key components. This article …

To make carbon dioxide (CO2) heat exchangers in refrigeration systems more efficient and
compact, passive methods for heat transfer enhancement produced by tubes in various …

The study introduces a new design modification for regular smooth tubes, incorporating the
four-shape cutting cone (FSCC) to enhance heat transfer without increasing friction charge …

ABSTRACT A simple solar water heater (SSWH) is technically promising, and cost-effective
(installation cost and long-term operating cost wise) solar thermal system. This technology is …

Circular pipe heat exchangers, widely used in process industries, rely on passive heat
transfer augmentation techniques like twisted tape inserts to enhance thermal performance …

The heat transfer characteristics of the working fluid passing through the absorber of a solar
parabolic trough collector (SPTC) can be enhanced by the creation of a turbulence effect …

Double-tube heat exchangers play a vital role in industries by facilitating efficient heat
transfer between two fluids while keeping them physically separated. Their design offers …

In the present study, the effect of nanofluids on the thermal performance of double pipe
counter flow heat exchanger equipped with a decaying swirl flow system is numerically …

The objective of this work was to develop a hot air production system using twisted tapes
(TT) for the specific purpose of drying cocoa. The study also aimed to analyze the drying …

The heat transfer characteristics of the working fluid passing through the absorber of a solar
parabolic trough collector (SPTC) can be enhanced by the creation of a turbulence effect …