Search Results - "Walther, Jens"

Covalently Bonded Graphene-Carbon Nanotube Hybrid for High-Performance Thermal Interfaces by Chen, Jie, Walther, Jens H., Koumoutsakos, Petros

“…The remarkable thermal properties of graphene and carbon nanotubes (CNTs) have been the subject of intensive investigations for the thermal management of…”
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Strain Engineering of Kapitza Resistance in Few-Layer Graphene by Chen, Jie, Walther, Jens H, Koumoutsakos, Petros

“…We demonstrate through molecular dynamics simulations that the Kapitza resistance in few-layer graphene (FLG) can be controlled by applying mechanical strain…”
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Ultrafast Propulsion of Water Nanodroplets on Patterned Graphene by Papadopoulou, Ermioni, Megaridis, Constantine M, Walther, Jens H, Koumoutsakos, Petros

“…The directed transport of liquids at the nanoscale is of great importance for nanotechnology applications ranging from water filtration to the cooling of…”
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Kapitza Resistance between Few-Layer Graphene and Water: Liquid Layering Effects by Alexeev, Dmitry, Chen, Jie, Walther, Jens H, Giapis, Konstantinos P, Angelikopoulos, Panagiotis, Koumoutsakos, Petros

“…The Kapitza resistance (R K) between few-layer graphene (FLG) and water was studied using molecular dynamics simulations. The R K was found to depend on the…”
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A numerical study of the influence of pilot fuel injection timing on combustion and emission formation under two-stroke dual-fuel marine engine-like conditions by Nemati, Arash, Ong, Jiun Cai, Pang, Kar Mun, Mayer, Stefan, Walther, Jens Honoré

“…Stricter regulations imposed on emissions are motivating the scientific community to consider studying alternative fuels to achieve low emission, high…”
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Solidification performance improvement of phase change materials for latent heat thermal energy storage using novel branch-structured fins and nanoparticles by Zhang, Ji, Cao, Zhi, Huang, Sheng, Huang, Xiaohui, Han, Yu, Wen, Chuang, Honoré Walther, Jens, Yang, Yan

“…•Combination of branch-structured fins and nanoparticles to enhance PCM discharging performance.•Quantitative assessment of parametric studies in improving the…”
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Role of Underlying Substrates on the Interfacial Thermal Transport in Supported Graphene Nanochannels: Implications of Thermal Translucency by Becerra, Diego, Walther, Jens H., Zambrano, Harvey A.

“…We study the role of underlying substrates on interfacial heat transfer within supported graphene nanochannels. Due to graphene’s translucency, the underlying…”
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Effect of wave–current interaction on gap resonance between side-by-side barges by Ding, Yunfeng, Walther, Jens Honoré, Shao, Yanlin

“…We investigate piston-mode fluid resonance within the narrow gap formed by two identical fixed barges in a side-by-side configuration, utilizing a…”
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Large eddy simulation of soot formation in a ducted fuel injection configuration by Ong, Jiun Cai, Zhang, Min, Jensen, Morten Skov, Walther, Jens Honoré

“…The aim of this numerical study is to investigate the soot formation processes in a ducted fuel injection (DFI) spray under engine-like conditions…”
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Numerical study of nominal wake fields of a container ship in oblique regular waves by Mikkelsen, Henrik, Shao, Yanlin, Walther, Jens Honoré

“…Accurate estimation of the actual nominal wake behind the ship in waves is important for propeller designers when improving efficiency and minimizing…”
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Water nanofilm boiling on a copper surface in the presence of dissolved air by Situ, Wenfu, Zambrano, Harvey A., Walther, Jens Honoré

“…Boiling is an effective and critical energy transfer process in energy, aerospace, and electronic applications. With the rapid development of nanotechnologies,…”
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Barriers to Superfast Water Transport in Carbon Nanotube Membranes by Walther, Jens H, Ritos, Konstantinos, Cruz-Chu, Eduardo R, Megaridis, Constantine M, Koumoutsakos, Petros

“…Carbon nanotube (CNT) membranes hold the promise of extraordinary fast water transport for applications such as energy efficient filtration and molecular level…”
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Innovations in spatial planning as a social process – phases, actors, conflicts by Christmann, Gabriela B, Ibert, Oliver, Jessen, Johann, Walther, Uwe-Jens

“…The aim of this paper is to understand the social process of the emergence and institutionalization of innovations in spatial planning (which we describe as…”
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Effect of roughness in full-scale validation of a CFD model of self-propelled ships by Mikkelsen, Henrik, Walther, Jens Honoré

“…•A ship scale self-propulsion CFD setup with free surface and rotating propeller has been developed and validated in systematic steps in order to ensure…”
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Large eddy simulation of a premixed dual-fuel combustion: Effects of inhomogeneity level on auto-ignition of micro-pilot fuel by Nemati, Arash, Ong, Jiun Cai, Zhang, Min, Walther, Jens Honoré

“…In a premixed dual-fuel (DF) methane-diesel engine, the ignition of the lean premixed methane/air mixture starts with the assistance of a pilot diesel…”
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Combination of genetic algorithm and CFD modelling to develop a new model for reliable prediction of normal shock wave in supersonic flows contributing to carbon capture by Heydar Rajaee Shooshtari, Seyed, Honoré Walther, Jens, Wen, Chuang

“…•Supersonic separator can eliminate significant amounts of CO2 for carbon capture.•A new model is proposed to predict normal shock waves in supersonic…”
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Discrete element modelling of track ballast capturing the true shape of ballast stones by Mortensen, Jacob, Faurholt, Joachim Faldt, Hovad, Emil, Walther, Jens Honoré

“…Railway ballast affected by heavy cyclic loading degrades and spreads resulting in an uncomfortable transportation caused by undesirable vibrations. Restoring…”
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Nanopumps without Pressure Gradients: Ultrafast Transport of Water in Patterned Nanotubes by Papadopoulou, Ermioni, Megaridis, Constantine M, Walther, Jens H, Koumoutsakos, Petros

“…The extreme liquid transport properties of carbon nanotubes present new opportunities for surpassing conventional technologies in water filtration and…”
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Early regimes of water capillary flow in slit silica nanochannels by Oyarzua, Elton, Walther, Jens H, Mejía, Andrés, Zambrano, Harvey A

“…Molecular dynamics simulations are conducted to investigate the initial stages of spontaneous imbibition of water in slit silica nanochannels surrounded by…”
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Experimental and CFD analysis of roll damping of a wind turbine installation vessel by Kjær, Rasmus Byrdal, Shao, Yanlin, Walther, Jens Honoré

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