Results 91 to 100 of about 1,224 (231)

Selecting Between Hydrogen and Methanol for Fuel Cell‐Organic Rankine Cycle Hybrid Power Systems: A Comparative 4E Analysis

open access: yesEnergy Science &Engineering, EarlyView.
A 4E comparison of PEMFC‐ORC and DMFC‐ORC systems shows that PEMFC‐ORC achieves 21% higher energy efficiency, while DMFC‐ORC obtains 31% higher exergy efficiency and 57% lower levelized cost of electricity. However, DMFC‐ORC emits nearly twice the annual carbon dioxide equivalent of PEMFC‐ORC.
Zahra Piryaei   +2 more
wiley   +1 more source

Inter‐Material Transfer Learning for Accelerated Nanofluid Heat Transfer Prediction: A Machine Learning Approach for Energy Systems

open access: yesEnergy Science &Engineering, EarlyView.
This study presents an inter‐material transfer learning framework for nanofluid heat transfer prediction in energy systems. By leveraging knowledge from Al2O3‐water data, the model accurately predicts hybrid Al2O3‐TiO2 nanofluid performance with only 20 simulations, achieving R2 = 0.985 and reducing computational requirements by 78. ABSTRACT This paper
Soumaya Hadj Salah   +2 more
wiley   +1 more source

Theoretical Modeling and CFD Validation of Outlet Initial Conditions of a Pressure-Swirl Nozzle Under Microgravity

open access: yesApplied Sciences
A reduced-order framework was developed to describe the outlet initial conditions of a pressure-swirl nozzle under reduced-gravity conditions and to clarify how gravity modifies the nozzle-exit state relative to the corresponding 1 g baseline.
Hailong Wu   +5 more
doaj   +1 more source

Mechanical Behaviour of Vacuum‐Infused GFRP Composites at Elevated Temperatures—Influence of Fibre Architecture

open access: yesFire and Materials, EarlyView.
ABSTRACT This study addresses the influence of fibre architecture on the mechanical properties of vacuum‐infused glass fibre reinforced polymer (GFRP) composites at elevated temperatures (ET). Laminates with three different fibre configurations—unidirectional (UD), bidirectional 0°/90° cross‐ply (BD), and ±45° off‐axis angle‐ply (OA) – were tested in ...
Eloísa Castilho   +4 more
wiley   +1 more source

Research Progress in the Application of Ultrasonic Technology in the Regeneration of Desiccants for Air-conditioning

open access: yesZhileng xuebao, 2012
This paper has had a review of the research progress in the regeneration of dessicants (solid and liquid) assisted by the ultrasonic technology. Particularly, the effect of ultrasonic on the enhancement of desiccant regeneration, the energy consumption ...
Yao Ye
doaj  

Multi-Objective Cooperative Optimization of Key Structural Parameters of Pressure Swirl Nozzles Under Microgravity

open access: yesApplied Sciences
This study presents a surrogate-assisted multi-objective numerical framework to analyze and optimize the coupled effects of geometric parameters on the spray cone angle and discharge coefficient of a pressure swirl nozzle under microgravity conditions ...
Hailong Wu   +5 more
doaj   +1 more source

Effect of Microchannel Geometry on Nanoparticle Deposition in Nanofluid Flow

open access: yesInternational Journal for Numerical Methods in Fluids, EarlyView.
This study numerically analyzed nanoparticle deposition in microchannels with varying geometries. Deposition per unit area decreases significantly with increasing bend angle (28.612 to 8.941 between 30° and 120°) and bend radius (11.922 to 4.769 between 0.2 and 0.4 mm). Acute bends and small radii enhance centrifugal forces and flow separation, leading
Meng Wang   +3 more
wiley   +1 more source

Proso Millet (Panicum miliaceum): Nutritional Composition, Functional Attributes, and Health Implications

open access: yesFuture Postharvest and Food, EarlyView.
A nutrient‐dense grain, proso millet is well‐known for its high protein content and vital amino acids. It is high in fiber, vitamins, and minerals and has many health advantages, including promoting heart health, enhancing digestion, and helping with weight management.
Sangeeta Yadav   +3 more
wiley   +1 more source

New Thermal Lattice Boltzmann Method for Modeling Heat Transfer Problems Considering Temperature‐Dependent Properties

open access: yesHeat Transfer, EarlyView.
ABSTRACT Several engineering problems involve the need to model conjugate heat transfer processes considering the temperature‐dependence of the material properties. Consequently, a simulation tool capable of modeling this process is of great interest. In this context, the present work proposes a thermal lattice Boltzmann method (TLBM) for modeling the ...
Julia Akiko Sassa   +2 more
wiley   +1 more source

Ground Servoelasticity Test and Analysis of UAVs With Large Aspect Ratio and Joined-Wing Layout

open access: yesIEEE Access
Unmanned aerial vehicles (UAVs) with an ultra-large aspect ratio and a joined-wing configuration exhibit characteristics such as minimal mass, remarkable flexibility, and a unified wing structure, thereby presenting a significant challenge in accurately ...
Bi Ying   +3 more
doaj   +1 more source

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