Results 101 to 110 of about 10,373,986 (225)

Unlocking Hydrokinetic Energy in the Brazilian Amazon: A Statistical Resource Assessment and Economic Feasibility Analysis

open access: yesEnergy Science &Engineering, EarlyView.
This study develops a spatial and technical framework to evaluate hydrokinetic energy potential in the Amazon as a sustainable alternative to diesel‐based systems. By modeling regional resources, we demonstrate that hydrokinetic sources offer a cleaner, economically competitive solution for displacing fossil fuels in remote riverine communities ...
Ana Cláudia Pinto Ferraz   +4 more
wiley   +1 more source

Techno‐Economic Assessment of Large‐Scale Renewable Energy Systems: A Case Study in the Gulf Cooperation Council

open access: yesEnergy Science &Engineering, EarlyView.
A consistent 3 GW hybrid solar–wind configuration was assessed across five GCC locations, revealing substantial regional differences in energy yield and economic performance. Saudi Arabia and Oman achieved the highest generation and lowest LCOE, while the systems delivered substantial CO2 emission reductions across the region.
Ammar Al Sawafi   +8 more
wiley   +1 more source

Robust Coordinated Reserve Optimization Method for Electricity–Gas Systems Considering Multi‐Source Coupling and Multiple Uncertainties

open access: yesEnergy Science &Engineering, EarlyView.
This study proposes a two‐stage robust reserve optimization method for coupled electricity–gas systems to mitigate wind–solar fluctuations and transmission‐line contingencies. By coordinating cross‐network reserves and linearizing complex gas flow equations, the approach significantly enhances system security and economic efficiency under multiple ...
Jianbo Nie   +5 more
wiley   +1 more source

Wall Condensation Heat‐Transfer Prediction for Energy Systems: A Mechanism‐Based Critical Review of Correlations, CFD and Physics‐Informed Models

open access: yesEnergy Science &Engineering, EarlyView.
This critical review integrates wall‐condensation configurations, governing transport mechanisms, modelling approaches, and validation evidence into a unified framework for assessing predictive applicability. The framework supports evidence‐based model selection and preliminary condenser design by considering heat‐transfer area, pressure‐drop ...
Md. Jisan Mahmud   +2 more
wiley   +1 more source

Integrated Life Cycle and Techno‐Economic Assessment of Rice Husk Gasification as a Low‐Carbon Alternative to Coal Power

open access: yesEnergy Science &Engineering, EarlyView.
Life cycle assessment compares biomass gasification and coal‐based electricity generation for 1 kWh of electricity, covering biomass cultivation, storage and transportation, gasification and power generation, alongside coal mining, transportation, and power plant operation and combustion.
Saadia Bashir   +4 more
wiley   +1 more source

Structural design and 3D printing of flexible integrated electronic systems

open access: yesFlexMat, EarlyView.
This review provides a comprehensive overview of design and integration strategies for individual components in flexible electronics, highlights the 3D‐printing fabrication techniques, and discusses recent advances in system‐level integration and their applications in real‐time monitoring and intelligent robotics.
Jiani Gong   +8 more
wiley   +1 more source

How emerging market firms learn to lead in complex product systems: Evidence from China's civil aircraft industry

open access: yesGlobal Strategy Journal, EarlyView.
Abstract Research Summary The rise of emerging market lead firms (LFs) in global value chains (GVCs) challenges the prevailing view that only multinational corporations (MNCs) from advanced economies lead systems integration, design, and innovation activities.
Yuanyuan Wu, Paola Perez‐Aleman
wiley   +1 more source

Photocurable Smart Materials for Femtosecond Laser Micro/Nano‐3D/4D Printing: Toward Interdisciplinary Applications

open access: yesInterdisciplinary Materials, EarlyView.
This review examines intelligent microsystems fabricated via Fs‐laser two‐photon polymerization, covering design, fabrication compatibility, and actuation methods. It highlights applications in actuators, sensors, micromachines, and soft microrobots, while stressing advances in materials, structures, and system integration.
Chang‐Xu Li   +4 more
wiley   +1 more source

Spatio‐Temporal Assessment of the Complementarity Between Hydroelectric, Wind and Solar Energy Sources for Northeastern Brazil

open access: yesInternational Journal of Climatology, EarlyView.
Using 24 years of climate and hydrological data, this study quantifies the spatiotemporal complementarity among the water availability of the Sobradinho reservoir, wind and solar in Northeastern Brazil. The integration of hierarchical clustering and compromise programming reveals how seasonal variability and reservoir dynamics interact with atmospheric
Luan Santos de Oliveira Silva   +4 more
wiley   +1 more source

Qualitative Analysis of Biogas by Raman Spectroscopy: Effect of Pressure on Major Components

open access: yesJournal of Raman Spectroscopy, EarlyView.
Raman spectra of major and selected minor biogas components were studied under pressures up to 100 bar. Pressure‐induced shifts and band broadening were quantified for methane, carbon dioxide, and nitrogen, while Raman spectra of ammonia and hydrogen sulfide are presented in the context of biogas quality monitoring.
Dominik Tománek   +2 more
wiley   +1 more source

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