Journal of Energy Storage, Год журнала: 2024, Номер 100, С. 113451 - 113451
Опубликована: Авг. 28, 2024
Язык: Английский
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
Процитировано
11
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
Процитировано
5
Journal of Energy Storage, Год журнала: 2024, Номер 98, С. 112995 - 112995
Опубликована: Июль 25, 2024
Язык: Английский
Процитировано
4
Case Studies in Thermal Engineering, Год журнала: 2024, Номер 60, С. 104799 - 104799
Опубликована: Июль 6, 2024
This research examines the solidification through a finned tank containing alumina nano-powders and water as PCM (phase change material). Mathematical models were developed, assuming uniform concentration of neglecting convective term effects. The model includes three time-dependent terms, discretized using an implicit approach, with solutions obtained via Galerkin method convergence achieved adaptive mesh. thermal conductivity NEPCM improves increased (ϕ), resulting in faster transition from liquid to ice. For pure water, complete freezing time is 6795.38 s; however, additives, this reduced by 26.78 %. Additionally, powders higher "m" value further accelerates process, decreasing completion about 6.98 effect powder configuration becomes more pronounced increasing concentration. These findings are crucial for enhancing sustainability natural resources improving cold storage processes.
Язык: Английский
Процитировано
3
Case Studies in Thermal Engineering, Год журнала: 2024, Номер 61, С. 104885 - 104885
Опубликована: Июль 23, 2024
The purpose of current article is to develop a more efficient cold storage design by integrating hybrid nanomaterials and permeable foam. container architecture features two sinusoidal walls containing water, with the addition nano-powders enhance conduction. Additionally, account for radiation effects, source term based on Roseland approximation incorporated into energy equation. unsteady terms freezing are discretized using an implicit technique, model solved Galerkin method. Grid configuration adjusted position solid front ensure accurate simulation results. Verification against previous data demonstrates reasonable accuracy in outputs. study reveals significant improvements efficiency through adoption these techniques. Without any enhancements, required time approximately 1552.28 s. However, integration all three techniques results remarkable reduction about 91.64 % this time, emphasizing substantial impact proposed modifications. Specifically, enhances rate 7.84 %, while saturating medium porous foam leads decrement around 90.69 %. Furthermore, increase factor (Rd) 1 notable improvement 20.02 efficiency.
Язык: Английский
Процитировано
2
Journal of Energy Storage, Год журнала: 2024, Номер 100, С. 113451 - 113451
Опубликована: Авг. 28, 2024
Язык: Английский
Процитировано
2