Case Studies in Thermal Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 106186 - 106186
Published: April 1, 2025
Language: Английский
Applied Thermal Engineering, Journal Year: 2024, Volume and Issue: unknown, P. 124726 - 124726
Published: Oct. 1, 2024
Language: Английский
Citations
18
Journal of Energy Storage, Journal Year: 2025, Volume and Issue: 109, P. 115076 - 115076
Published: Jan. 5, 2025
Language: Английский
Citations
7
International Journal of Numerical Methods for Heat & Fluid Flow, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 10, 2025
Purpose This study aims to investigate the thermal performance enhancements of phase change materials (PCMs) through integration extended fins and CuO nanoparticles under impact solar irradiation. The research focuses on improving melting behavior efficiency PCM-based energy storage systems facilitate design more efficient solutions. Design/methodology/approach analysis is conducted a top-heated rectangular system filled with pure PCM nanoparticle-enhanced (NePCM) mixed 0.01% Wt. nanoparticles, varying fin configurations considering volume surface area constraint. shape modified from single multiple numbers, maintaining same area. carried out both experimentally numerically for without case, (utilizing finite method) different sizes positions fins. evaluates nanoparticle inclusion, geometry variations three types (lauric acid, RT-35HC P-58). Numerical results are validated against in-house experimental results. Findings successfully validates numerical simulations data, enhancing credibility findings real-world applications. addition resulted in 16.36% enhancement storage, as observed experimentally, whereas simulation showed an 8.55% increase. inclusion accelerated process across all configurations, notable parameter 16.51% arrangement. introduction structure increased rate, but further additions led diminishing returns, maximum rate 35.19 J/min achieved CuO-enhanced presence fin. also highlights most effective PCM, offering highest fastest speed, making it ideal rapid response Research limitations/implications Future could explore concentrations well broader range geometries enhance systems. Long-term validation conditions would applicability reliability findings. Originality/value provides valuable insights into optimizing by combining optimization. offer practical guidance effectiveness units various
Language: Английский
Citations
6
Physics of Fluids, Journal Year: 2024, Volume and Issue: 36(6)
Published: June 1, 2024
This study addresses the critical need to enhance mixing quality and cost efficiency in electroosmotic micromixers, crucial for various applications, such as chemical synthesis, medical diagnostics, biotechnology, utilizing precision of microfluidic devices. The intricate dynamics time-dependent vortices induced by microelectrodes are investigated, exploring nonlinear physics principles driving enhancement. Specifically, an examination is made how phenomena, convective flow instabilities, chaotic advection, interactions between fluid channel geometry, contribute observed improvements performance. Through comprehensive numerical simulations employing finite element-based solvers, impact relevant parameters, voltage amplitude (V0), frequency (f), Reynolds number (Re), Debye parameter (k), on performance systematically analyzed. Findings reveal that optimizing these coupled with strategic design micromixers featuring offset inlets outlets, leads a remarkable 98.44%. Furthermore, methodology proposed selecting optimal micromixer configuration (MM1), balancing quality, efficiency. advances understanding provides practical guidelines device diverse applications.
Language: Английский
Citations
11
International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: unknown, P. 100936 - 100936
Published: Oct. 1, 2024
Language: Английский
Citations
7
Physics of Fluids, Journal Year: 2024, Volume and Issue: 36(8)
Published: Aug. 1, 2024
Enhancing mixing efficiency in microscale processes for sensitive biomedical, pharmaceutical, and chemical applications is crucial, particularly when operating under low-velocity constraints. This study presents a comprehensive investigation into the impact of various factors on microfluidic within circular chamber micromixer, utilizing electroosmotic principles. The governing equations are solved numerically using finite element technique-based solver. research examines effects microchamber diameter (D), inlet velocity (uo), alternating current (AC) voltage amplitude (ϕo), AC frequency (f) fluid dynamics. Several key findings noted from this study. reduction decreases linear distance between cross-reciprocally placed microelectrodes, resulting increased electroosmosis force efficiency. specified range shows species combined at appropriate frequency. highest 98.84% achieved with following parameters: flow (uo) 150 μm/s, 4 Hz, 500 mV, 20 μm. At 12 Hz exceeds 94.66% across wide input velocities (100–200 μm/s), enabling versatile control devices. nonlinear interaction geometry significantly contributes to enhanced These results demonstrate potential optimizing through careful parameter tuning, requiring high low rates. Thus, provides valuable insights designing more effective systems scientific industrial fields.
Language: Английский
Citations
5
Applied Thermal Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 126100 - 126100
Published: March 1, 2025
Language: Английский
Citations
0
Thermal advances., Journal Year: 2025, Volume and Issue: unknown, P. 100044 - 100044
Published: April 1, 2025
Language: Английский
Citations
0
Case Studies in Thermal Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 106186 - 106186
Published: April 1, 2025
Language: Английский
Citations
0