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Electric-field activating on-surface tailored (OST) coarse polyester fibers for efficient airborne particle removal: Interfacial morphologies and electrical response
(2025)Separation and Purification TechnologyFibrous filtration is the most-used method for indoor particulate matter (PM) removal. The filtration performances are governed by filters’ intrinsic geometries, displaying the tradeoff among efficiency, resistance, and lifespan. In this contribution, we provided a chemically-synthesized strategy to improve the performance of coarse filters while preserving their ultralow initial resistances. After elucidating PM-fiber interactions, the ...Journal Article -
Experimental testing and numerical validation of the Εxtended KDamper: A negative stiffness-based vibration absorber
(2024)Engineering StructuresThe KDamper absorber is a recently proposed innovative vibration mitigation solution based essentially on the optimal combination of appropriate stiffness and damping elements, which include a negative stiffness element. Previous studies have developed the mathematical framework of the system, as well as design and optimization algorithms that account for the negative stiffness effect on specific use cases and further discuss limitations. ...Journal Article -
The physicochemical properties and emulsion performance of different fractions from rice glutelin fibrils
(2024)Journal of Food EngineeringHerein, oil in water emulsion was prepared by the different fractions from rice glutelin fibrils after centrifugal filtration. The morphology and physicochemical properties of retentates (RGFs), filtrates (FGFs), and total heated samples of amyloid fibrils from rice glutelin (TGFs) were characterized. As the oil fraction increased, the viscosity of TGFs-, RGFs- and FGFs-prepared emulsions increased, and the emulsions at φ = 0.7 exhibited ...Journal Article -
Comparing net zero pathways across the Atlantic A model inter-comparison exercise between the Energy Modeling Forum 37 and the European Climate and Energy Modeling Forum
(2024)Energy and Climate ChangeEurope and North America account for 32 % of current carbon emissions. Due to distinct legacy systems, energy infrastructure, socioeconomic development, and energy resource endowment, both regions have different policy and technological pathways to reach net zero by the mid-century. Against this background, our paper examines the results from the net zero emission scenarios for Europe and North America that emerged from the collaboration ...Journal Article -
Designing an E-Bike City
(2024)Journal of Cycling and Micromobility ResearchEffective and timely decarbonization of urban mobility requires systemic changes to transportation systems. High-quality cycling networks are seen as one of such measures and multiple scholars have developed automated approaches for a quick generation of such interventions. However, a common shortcoming is that they mostly ignore the tradeoffs in allocating scarce road space to different modes. In this paper, we introduce an automated ...Journal Article -
Multi-millennia surface dynamics: Novel investigation approach unveils climate relation to mountain erosion (Serra da Estrela, Portugal)
(2024)GeomorphologyMulti-millennia data logs on surface denudation variation in alpine landscapes are scarce, yet they are needed to understand the impacts of environmental changes on denudation. On the example of the Serra da Estrela plateau in Portugal, we explored a new archive, vertical bedrock outcrops (tors), and the capability of the Tor Exhumation/Exposure Approach (TEA) to capture surface denudation variations even in formerly glaciated landscapes. ...Journal Article -
Instabilities and cavitation in cylindrical wavy line contact: A Maugis analysis
(2024)International Journal of Solids and StructuresThe Maugis analysis is applied to adhesive contact between a cylinder with various wave profiles and a semi-infinite, elastic half-plane. We extend the analysis of Waters, Lee and Guduru, who consider the adhesive contact of a Hertzian indenter on a semi-infinite, elastic half-space with axi-symmetric, wave profiles. This work gives the closed-form contact mechanical solution for continuous, line contact without the need for any approximation. ...Journal Article -
Solid-liquid triboelectric nanogenerator based self-sensing vibration suppression device
(2024)Nano EnergyMicro-vibrations adversely affect critical equipment, devices, and systems, resulting in economic losses and safety risks. Hence, the imperative tasks of monitoring and mitigating micro-vibrations present formidable challenges in the field of vibration control. This study introduces a solid-liquid triboelectric nanogenerator (TENG) based self-sensing vibration suppression device (S-L SVD) designed with a vertically structured configuration. ...Journal Article -
Fighting free with free: Freemium vs. Piracy
(2024)International Review of Law and EconomicsWe analyze the optimal business model of a firm facing piracy. The firm either sells a premium version of its product, or also offers a free version along with the premium version. The firm can in turn impose restrictions on the use of the free version. Consumers can choose between the free and the premium version, but can also get an illegal digital copy. We show that freemium offers can reduce digital piracy by fighting free with free ...Journal Article -
Spatial dynamics of electron density and incompressibility in monolayer graphene under quantum Hall conditions
(2024)Computational Condensed MatterThis study uses self-consistent computational methods to theoretically investigate the transport mechanisms of monolayer graphene structures under quantum Hall conditions. From the results obtained, incompressible strips formed in the center of the sample. The system exhibits an insulating behavior since the electrons here do not contribute to the shielding. As compressible strips are formed at the edges, more electrons can be placed in ...Review Article