Recent advances and developments of the application of hybrid nanofluids in parabolic solar collector energy systems and guidelines for future prospects

Journal of Engineering Research, Год журнала: 2024, Номер unknown

Опубликована: Май 1, 2024

This study addresses challenges in enhancing the thermal efficiency of parabolic solar collector energy systems using hybrid nanofluids, focusing on issues like nanoparticle clumping and decreased effectiveness. The objective is to optimize design parameters for improved absorption by evaluating performance nanofluids through theoretical experimental analyses, aiming enhance overall systems. was evaluated conducting numerical simulations analyses investigate effects various compositions concentrations. findings suggest that specifically Au-Cu/EO Cu-Al2O3, demonstrate enhanced heat transfer properties comparison conventional fluids, resulting enhancements ranging from 22.44% 35.01%. Compared water, Al2O3/water (0.04%), MWCNT/water collector's improves 197.1%, 69.2%, 6.1%, respectively. Furthermore, research emphasizes potential advantages integrating precise concentrations improve while reducing adverse friction factors. results emphasize significance tackling primary obstacles such as together nanoparticles, heightened demands pumping, elevated expenses manufacture nanofluids. enhances advancement cost-effective efficient identifying limits suggesting alternative solutions. highlights necessity additional investigation into innovative combinations nanomaterials, fine-tuning fluid characteristics, thorough evaluations long-term stability order forward practical use

Язык: Английский

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A critical review of the thermophysical properties and applications of carbon-based hybrid nanofluids in solar thermal systems

Frontiers in Energy Research, Год журнала: 2025, Номер 12

Опубликована: Янв. 10, 2025

This review focuses on the potential of carbon-based hybrid nanofluids to enhance performance solar thermal energy systems. Solar technology is pivotal in transitioning towards renewable sources, offering sustainable alternatives conventional fossil fuels. However, traditional heat transfer fluids (HTFs) often exhibit limitations conductivity (TC), which hinders overall efficiency collectors. The introduction nanofluids, particularly that combine two or more types nanoparticles, has emerged as a promising solution address these challenges. Among various nanomaterials, materials such graphene and multi-walled carbon nanotubes (CNTs) have garnered significant attention due their exceptional properties. critically analyses rheological characteristics effects applications, including flat-plate collectors parabolic trough unique synergy achieved by integrating nanoparticles with metallic results improved TC, enhanced rates, greater stability compared single-component nanofluids. Despite notable advantages, challenges increased viscosity need for long-term under operational conditions remain pertinent. Future research directions should prioritize optimizing nanoparticle concentrations, exploring cost-effective alternatives, investigating dynamic environments. findings this underscore transformative improving effectiveness systems, thus supporting broader adoption technologies. exploration essential advancing applications addressing ongoing sustainability face growing global demands.

Язык: Английский

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Comparative study of thermal performance improvement of parabolic trough solar collector using different heat transfer fluids, economic and environmental analysis of power generation

Results in Engineering, Год журнала: 2024, Номер 23, С. 102353 - 102353

Опубликована: Июнь 4, 2024

The use of nanofluids (NFs) as heat transfer fluids (HTFs) is one way improving the thermal performance parabolic trough solar collectors (PTSCs). This study presents a comparative analysis PTSC using HTF. Two categories nanoparticles (NPs) (green and conventional) two base (water Syltherm 800) giving eight are used in one-dimensional quasi-static model, simulated from numerical code written Matlab. After validation proposed static dynamic regimes linked to radiation shows that green NPs present not only differentiated positive but also negative effects on depending compared conventional NPs, combination with high capacity more than effects. impact significant water, at around 0.005 MWh, 800, which averages 0.002 MWh. HTF configurations based 800 increases production by 1 MWh water. generate $0.004/kWh less water average. HTFs produce 7.5 kgCO2/year

Язык: Английский

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Enhancing heat exchanger performance with perforated/non‐perforated flow modulators generating continuous/discontinuous swirl flow: A comprehensive review

Heat Transfer, Год журнала: 2024, Номер 53(8), С. 4364 - 4393

Опубликована: Авг. 5, 2024

Abstract Heat exchangers are crucial in transferring heat and finding applications across various industries. Numerous strategies have been devised to improve optimize the transfer process within these systems. Among these, passive methods garnered significant attention for their ability operate without external power consumption. This article examines recent experimental computational studies conducted by researchers since 2018 on enhancement techniques, especially twisted tape, wire coil, swirl flow generator, others, boost thermal efficiency of aid designers adopting augmentation compact exchangers. Recently, researchers' new class maldistribution devices, referred as has gained attention; which enhances convective introducing into main disrupting boundary layer at tube surface through alterations geometry. Twisted tape inserts devices that demonstrate better performance laminar compared turbulent flow. Conversely, other techniques like ribs, conical nozzles, rings generally more effective than A research trend is utilization nanofluids combination with turbulators, exchangers, can reduce exergy losses overall coefficient effectiveness exchanger.

Язык: Английский

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Thermal optimization of parabolic trough collector in solar powered ship using hybrid Oldroyd-B nanofluid: Artificial intelligence driven heuristics

Solar Energy Materials and Solar Cells, Год журнала: 2025, Номер 285, С. 113535 - 113535

Опубликована: Фев. 24, 2025

Язык: Английский

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Next-Generation CSP: The Synergy of Nanofluids and Industry 4.0 for Sustainable Solar Energy Management

Energies, Год журнала: 2025, Номер 18(8), С. 2083 - 2083

Опубликована: Апрель 17, 2025

The growing demand for efficient and sustainable energy solutions underscores the importance of advancing solar technologies, particularly Concentrated Solar Power (CSP) systems. This review presents a structured evaluation two key innovation domains in CSP: application nanofluids adoption Industry 4.0 technologies. first part analyzes experimental simulation-based studies on nanofluid-enhanced CSP systems, covering four major collector types—parabolic trough, power tower, dish, Fresnel reflectors. Nanofluids have been shown to significantly enhance thermal efficiency, with hybrid formulations offering greatest improvements. second examines role technologies—including artificial intelligence (AI), machine learning (ML), digital twins (DT)—in improving system monitoring, performance prediction, operational reliability. Although few recent explore combined use tools most research addresses these areas independently. identifies this lack integration as gap current literature. By presenting separate yet complementary analyses, study offers comprehensive overview emerging pathways optimization. Key challenges future directions are highlighted, nanofluid stability, cost-efficiency, implementation at scale.

Язык: Английский

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Optimisation of heat transfer in the absorber tube of a cylindroparabolic trough solar collector

Results in Engineering, Год журнала: 2025, Номер 26, С. 105226 - 105226

Опубликована: Май 15, 2025

Язык: Английский

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Enhancing Thermal Energy and Exergy Harvesting in Concentrated Solar Power Systems using Graphene-ZrO2/Water Hybrid Nanofluid: An Experimental Study

Process Safety and Environmental Protection, Год журнала: 2024, Номер 191, С. 1461 - 1471

Опубликована: Сен. 10, 2024

Язык: Английский

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Thermal performance of parabolic trough solar collector employing novel absorber tubes equipped with distinct heat transfer fluids: An experimental study

Energy Sources Part A Recovery Utilization and Environmental Effects, Год журнала: 2024, Номер 46(1), С. 16675 - 16701

Опубликована: Ноя. 27, 2024

The current research investigates the thermal performance of a parabolic trough solar collector (PTSC) featuring two innovative absorber tube designs for water heating. evaluates temperature profile PTSC using and explores effectiveness mixing with oils, specifically Hytherm 600 Therminol 55, as heat transfer fluids. To assess impact mass flow rate on performance, was tested at three rates (FR)10, 20, 30 liters per hour (L/h) each investigation focused designs: S12 (Step-up, Step-down) S15 (Step-down, Step-up). Instantaneous efficiency, useful energy gain design various fluids were calculated analyzed. highest instantaneous efficiency values achieved configuration 10 L/h compared to existing reported. This also recorded outlet 84.7°C an 43% during peak sunlight hours other PTSC, maximum 1516.67 kJ. tend decrease higher rates, highlighting importance optimizing through PTSC.

Язык: Английский

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Optimizing the thermal performance in parabolic solar trough collectors: investigating the impact of ionic nanofluid and revolving fins inserts

Clean Technologies and Environmental Policy, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 23, 2024

Язык: Английский

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