Analyzing porous cold storage unit in presence of hybrid nano-powders considering Galerkin method

Case Studies in Thermal Engineering, Год журнала: 2024, Номер 61, С. 104899 - 104899

Опубликована: Авг. 2, 2024

The article presents a comprehensive simulation study on cold storage porous containers, employing the Galerkin method to analyze their thermal behavior. A key focus of investigation is incorporation both radiation and conduction modes within mathematical model, acknowledging significant roles in freezing process. To enhance rate, hybrid nanoparticles are introduced into H2O, aiming speed up solidification. Notably, integrates adaptive grid techniques achieve higher modeling accuracy, with verification processes confirming high level agreement between results experimental data. This research also underscores potential for improved energy efficiency systems, contributing sustainability natural resources by reducing consumption enhancing overall systems. Through meticulous examination, explores impacts various factors freezing, including fraction nano-powders (ϕ), porosity (γ), factor (Rd). Remarkably, introduction media causes substantial increment resulting an improvement approximately 91.19 %. Moreover, inclusion term model significantly reduces completion time 30.85 %, underscoring importance considering effects such Additionally, dispersing water, decrement around 7.21 approach highlights optimizing use applications, thereby promoting conservation sustainable management resources.

Язык: Английский

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Thermal management of nanofluid flow through porous container with impose of Lorentz force

Case Studies in Thermal Engineering, Год журнала: 2024, Номер 60, С. 104779 - 104779

Опубликована: Июль 1, 2024

This article thoroughly examined the impact of Lorentz and buoyancy forces on movement nanomaterials within a sealed container. The magnetic field was aligned with x-axis, while gravity acted along y-axis. container featured heated inner surface curved outer kept at lower temperature, permeable domain allowing fluid flow. Using various shapes found to enhance heat transfer effectively. investigation provides valuable insights into optimizing in practical applications by utilizing interaction between forces. analysis applied Darcy's formulation account for media simplified equations using stream function concept. numerical code underwent rigorous verification ensure its accuracy reliability. Introducing nanoparticles significantly increased Nusselt number (Nu), indicating an approximate 41.42 % improvement efficiency. Additionally, raising parameter "m" resulted 11.76 increase Nu. However, increasing Ha led 46.72 reduce Nu, reflecting reduced In contrast, boosting Rayleigh (Ra) substantially enhancing efficiency about 59.78 %.

Язык: Английский

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Simulation of storage of cold energy considering unsteady conduction mechanism in mathematical model

Case Studies in Thermal Engineering, Год журнала: 2024, Номер 59, С. 104591 - 104591

Опубликована: Май 19, 2024

To enhance system productivity, fins were incorporated into the container, and PCM (phase change material) infused with alumina nanoparticles was introduced. Mathematical modeling employed to evaluate current problem, a specific focus on utilizing water as for achieving fastest solidification process. The integration of fins, PCM, nano-powders introduces novel dimension research, providing unique insights enhancing processes. surrounding cold walls container play crucial role in solidification, primarily through conduction. low speed H2O allows its neglect simulation. developed mathematical model this work comprises two equations. While considering larger powder sizes improves particle interaction, negative impact sedimentation diminishes conductivity. addition results 41.34% enhancement rate. Furthermore, altering diameter from thirty 40 nm reduces completion time about 19.98%, whereas an increase 50 elevates it by 49.37%.

Язык: Английский

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Thermal analysis of cold saving system via numerical modeling incorporating nanomaterial

Journal of Thermal Analysis and Calorimetry, Год журнала: 2024, Номер unknown

Опубликована: Сен. 25, 2024

Язык: Английский

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Thermal assessment of cold storage process involving nanomaterial via numerical approach

Case Studies in Thermal Engineering, Год журнала: 2024, Номер 60, С. 104805 - 104805

Опубликована: Июль 14, 2024

The primary aim of this study is to extend a numerical approach aimed at improving the efficiency solidification process. Two key strategies, namely scattering nano-powders and installation fins, were employed intensify freezing. By approximating neglecting influence velocity terms, final equations streamlined form mathematical model. To enhance accuracy, mesh adaptation was integrated with Galerkin method for solving Various scenarios examined assess impression both shape concentration on A significant correlation observed between additives conduction, causing in decrement required time by approximately 32.8 %. Furthermore, modifying selecting those higher factor substantially improved freezing efficiency, resulting an increase 10.89

Язык: Английский

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Increment of solidification rate due to radiation and conduction mechanism in existence of porous container filled with nanomaterial

Case Studies in Thermal Engineering, Год журнала: 2024, Номер 61, С. 104850 - 104850

Опубликована: Июль 18, 2024

In current study, Galerkin techniques have been utilized to model the freezing behavior of a cold storage unit. The system features fins and porous foam, enhancing its efficiency in solidifying liquids. Additionally, hybrid nanoparticles introduced into water improve conductivity. energy equation has augmented with new term for radiation mode, alongside source freezing. With goal determining amounts scalars at each node, consists two equations. Mesh adaptation employed accommodate dynamic nature process. Validation against previous data demonstrates good agreement, bolstering reliability simulation. introduction foam domain results significant enhancement rate, an increase about 90.75 %. Furthermore, scenarios without mixing nano-powders surge factor contribute notable reductions completion time, decreases approximately 12.52 % 8 %, respectively. By combining all these techniques, considerable reduction solidification time can be achieved, amounting around 91.46 This highlights importance comprehensive approach improving efficiency. units through advanced this research contributes sustainable use natural resources, highlighting potential reducing consumption minimizing environmental impact.

Язык: Английский

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Transient modeling of storage of cold energy in existence of nano-sized additives

Journal of Energy Storage, Год журнала: 2024, Номер 92, С. 112216 - 112216

Опубликована: Май 29, 2024

Язык: Английский

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Simulation of freezing in existence of nanomaterial involving transient conduction mechanism

Case Studies in Thermal Engineering, Год журнала: 2024, Номер unknown, С. 105201 - 105201

Опубликована: Сен. 1, 2024

Язык: Английский

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Numerical Modeling for Enhanced Cold Storage Rates through Nanoparticle Integration within finned tank

Results in Engineering, Год журнала: 2025, Номер unknown, С. 104129 - 104129

Опубликована: Янв. 1, 2025

Язык: Английский

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Simulation of solidification for saving energy with using nanomaterial involving conduction heat transfer

Case Studies in Thermal Engineering, Год журнала: 2024, Номер 63, С. 105248 - 105248

Опубликована: Окт. 5, 2024

Язык: Английский

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