Performance Enhancement of Plate Heat Exchangers Using MWCNTs-SiO2 Hybrid Nanofluids: A CFD Analysis on Heat Transfer and Pressure Drop Characteristics DOI Creative Commons
Saeed Zeinali Heris,

Nima Zolfagharian,

Seyed Borhan Mousavi

et al.

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 19, 2024

Abstract Heat exchangers play a vital role in numerous sectors like power generation and automotive manufacturing. Enhancing the energy efficiency of these stands as significant hurdle. Utilizing nanofluids emerges an optimal solution to augment heat transfer rates, leveraging their superior thermal conductivity while addressing economic constraints linked with traditional exchanger technologies. The motivation for this study is consider comprehensive synergistic features MWCNTs, SiO2, hybrid MWCNTs–SiO2 EG-based plate exchangers. This was achieved by simulating using CFD (Fluent Gambit softwares) considering comparison two forms at different mass concentrations. Reynolds-Averaged Navier-Stokes (RANS) method employed model turbulent flows, nanoparticles were compared both single-phase two-phase states, properties derived from experimental studies. Moreover, Nusselt number, convective coefficient, pressure drop variations computed Reynolds numbers. findings indicated increase number incorporation nanofluid, achieving maximum enhancement 11.19% EG 240 concentration 0.86 wt.%. Noticeably, remained negligible lower numbers, exhibiting marginal up 0.3% higher At wt.% 480, introduction hybrid, SiO2 nano-additives resulted respective increases coefficient 21.02%, 10.76%, 2.16% corresponding alterations 0.11%, 0.04%, 0.02%.

Language: Английский

High-temperature lubricity and physicochemical behaviors of synthesized Cu/TiO2/MnO2-doped GO nanocomposite in high-viscosity index synthetic biodegradable PAO oil DOI
Seyed Borhan Mousavi, Hadi Pourpasha, Saeed Zeinali Heris

et al.

International Communications in Heat and Mass Transfer, Journal Year: 2024, Volume and Issue: 156, P. 107642 - 107642

Published: May 31, 2024

Language: Английский

Citations

25
Impact of Micropolar Effects on Nanofluid Flow Between Two Disks DOI Creative Commons
S. Saranya,

P. Ragupathi,

Qasem M. Al‐Mdallal

et al.

International Journal of Thermofluids, Journal Year: 2025, Volume and Issue: unknown, P. 101050 - 101050

Published: Jan. 1, 2025

Language: Английский

Citations

2
Thermal performance of casson hybrid nanofluid with radiative effects and convective conditions: applications to energy systems and industrial heat transfer DOI
Muhammad Ishaq, Sami Ullah Khan, Hakim AL Garalleh

et al.

Multiscale and Multidisciplinary Modeling Experiments and Design, Journal Year: 2025, Volume and Issue: 8(2)

Published: Jan. 15, 2025

Language: Английский

Citations

2
Insights into two-phase flow dynamics in closed-loop pulsating heat pipes utilizing Fe3O4/water: experimental visualization study DOI Creative Commons
Hamid Reza Goshayeshi, Seyed Borhan Mousavi, Saeed Zeinali Heris

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: July 17, 2024

Abstract This article discusses a focused study on visualizing the flow patterns in two-phase pulsating heat pipe (PHP) using Fe 3 O 4 /water as working fluid at V/V% concentration. The research also aims to meticulously examine phase change phenomena heating section, particularly focusing bubble formation and expansion processes. A high-speed video camera was utilized capture dynamic insights into behavior of mixture. Based findings, straightforward model developed explain generation growth mixture, serving useful reference for future PHP designs optimizations. Visual observations noted stable nature nanofluid over 4-day period, confirming its consistency throughout experiments. Moreover, impact load variation evaporator section assessed controlled inputs ranging from 10 80 W. Observations arrangement slugs plugs 50% filling ratio revealed interesting self-adjusting response increasing inputs, providing valuable operational dynamics. Notably, oscillatory /water, chosen fluid, exhibited greater activity comparison water. distinctive contributed achieving heightened thermal performance efficiency system, attributed faster attainment annular condition.

Language: Английский

Citations

4
The influence of TiO2 nanoparticles on the performance, combustion, and emissions on ternary blends of n-heptane, mahua biodiesel and diesel-fuelled engine using response surface methodology DOI Creative Commons

Sinnappadass Muniyappan,

Ravi Krishnaiah

Case Studies in Chemical and Environmental Engineering, Journal Year: 2024, Volume and Issue: 10, P. 100900 - 100900

Published: Aug. 12, 2024

The purpose of this work was to evaluate the performance diesel engines using ternary blends n-heptane, biodiesel, and Response Surface Methodology (RSM). current study is an optimisation titanium dioxide (TiO2) nanoparticles (NPs) on various load conditions (25 %–100 %) in Diesel such as TiO2: 0–75 ppm; (n-heptane: 0–10 % v/v; biodiesel: 0–30 diesel) conditions. Results revealed that optimized values at a 76.8 %, NPs concentration 57.6 ppm, biodiesel content 25.6 v/v, n-heptane 9.5 v/v serve achieve performance. engine's parameters comprise 77.54 bar cylinder pressure (CP), 64.65 kJ heat release rate (HRR), 35.12 brake thermal efficiency (BTE), 0.2265 (Kg/kw-hr) specific fuel consumption (BSFC), 0.0647 volume carbon monoxide (CO), 52.11 ppm hydrocarbons (HC), 816.04 oxides nitrogen (NOx), 37.34 smoke. Validation conducted through actual engine experimental trials with errors falling within permissible limits less than 5 %. results suggest will feasible alternative for engines. Actual are used validate optimal allowed These findings indicated viable alternatives be blends.

Language: Английский

Citations

4
Biomimetic microchannel structures and their topological optimization: A review DOI Creative Commons
Liang Yin,

E Jiaqiang,

Yi Tu

et al.

International Communications in Heat and Mass Transfer, Journal Year: 2025, Volume and Issue: 163, P. 108689 - 108689

Published: Feb. 11, 2025

Language: Английский

Citations

0
Synergistic effect of synthesized Fe3O4@Graphene oxide nanohybrids on heat transfer enhancement and flow efficiency in nanofluids for advanced thermal applications DOI
Altynay Sharipova, Mojtaba Shafiee, Marzieh Lotfi

et al.

International Journal of Thermal Sciences, Journal Year: 2025, Volume and Issue: 214, P. 109878 - 109878

Published: March 24, 2025

Language: Английский

Citations

0
Enhancing the synergistic properties of plate heat exchangers using nanohybrid MWCNTs–SiO2 EG-based nanofluids DOI
Saeed Zeinali Heris,

Nima Zolfagharian,

Seyed Borhan Mousavi

et al.

Journal of Thermal Analysis and Calorimetry, Journal Year: 2025, Volume and Issue: unknown

Published: March 29, 2025

Language: Английский

Citations

0
Enhancing heat pipe efficiency using silver nanomaterial nanofluids: a hybrid approach with carbon nanotubes, graphene, and quantum Dot-MOS compositions DOI Creative Commons

Dineshkumar Periannan,

Ratchagaraja Dhairiyasamy,

Deekshant Varshney

et al.

Matéria (Rio de Janeiro), Journal Year: 2025, Volume and Issue: 30

Published: Jan. 1, 2025

ABSTRACT Heat pipes, known for their high efficiency and reliability, are widely used in these systems, but performance is dependent on the thermal properties of working fluid. Traditional coolants have limitations, prompting exploration nanofluids—suspensions nanoparticles base fluids—to enhance performance. This study investigates effect silver nanomaterial-based nanofluids with distinct morphologies—nanospheres nanocubes—along hybrid compositions incorporating carbon nanotubes, graphene, quantum dot-metal oxide semiconductors (QD-MOS). Using an experimental approach, evaluates heat transfer coefficients, efficiency, TR across varying concentrations power inputs. Response Surface Methodology (RSM) machine learning techniques were employed optimization. Results indicate that nanosphere-based HTC by 38% compared to DI water, while nanofluids, particularly Ag-Graphene, achieve a 47% improvement. significantly reduced, nanocube-based fluids performing better at higher These findings highlight potential tailored nanofluid formulations pipe industrial applications.

Language: Английский

Citations

0
Prediction of the viscosity of iron-CuO/water-ethylene glycol non-Newtonian hybrid nanofluids using different machine learning algorithms DOI Creative Commons

Mohammed Shorbaz Graish,

Ali B.M. Ali,

Murtadha M. Al-Zahiwat

et al.

Case Studies in Chemical and Environmental Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 101180 - 101180

Published: March 1, 2025

Language: Английский

Citations

0