THERMAL SCIENCE

International Scientific Journal

Balan Varadhan

,

Surendran Ramakrishnan

,

Gopinath Palani

,

Ayakannan Selvaraju

INVESTIGATION ON THE ENHANCEMENT OF HEAT TRANSFER IN COUNTERFLOW DOUBLE-PIPE HEAT EXCHANGER USING NANOFLUIDS

ABSTRACT
Particles less than 100 nanometers in size are suspended in a base fluid such as water, oil, and ethylene glycol. These nanoparticles are floating in the nanofluid. The purpose of this study is to research the operation of a counter-flowing, double-pipe heat exchanger using two distinct nanofluids as cooling media. Titanium carbide and carbon nanotubes combine to form alkaline water, a basic fluid. The purpose of this research was to assess the performance of a counterflow double-pipe heat exchanger using water with different concentrations of titanium carbide and carbon nanotubes. Alkaline water had a particle volume concentration of 0.06, and its nanofluid-flow rate was 0.03. Using a heat exchanger, water is heated to 65°C while nanofluids are heated to 35°C, both at a constant input velocity. The speed of both fluids is constant. The findings demonstrate that nanofluid outperforms water in heat absorption across a broad range of flow speeds. Heat exchangers benefit from the improved thermal characteristics of nanoscale fluids.
KEYWORDS
heat exchange, TiC, CNT, nanofluid, velocity
PAPER SUBMITTED: 2023-03-12
PAPER REVISED: 2023-09-16
PAPER ACCEPTED: 2023-10-21
PUBLISHED ONLINE: 2024-01-20
DOI REFERENCE: https://doi.org/10.2298/TSCI230312273V
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2024, VOLUME 28, ISSUE Issue 1, PAGES [233 - 240]
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Investigation on the enhancement of heat transfer in counterflow double-pipe heat exchanger using nanofluids

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence