Results 121 to 130 of about 8,211,025 (297)

Influence of wind and waves on ambient noise and bubble entrainment depth in the semi-enclosed Baltic Sea

Oceanologia
Semi-enclosed, fetch-limited waters create unique conditions for wind wave development and breaking. Parameters of breaking waves influence bubble entrainment depth and associated noise, which is why they differ in semi-enclosed sea compared to open ...
Agata Dragan-Górska, Natalia Gorska, Piotr Markuszewski, Zygmunt Klusek   +3 more
doaj   +1 more source

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth, Tomáš Babinský, Jan Lars Riedel, Wen Hao Kan, Aijun Huang, Martin Heilmaier, Ivo Šulák   +6 more
wiley   +1 more source

Sea-surface microlayer characteristics during METEOR cruise M117, Baltic Sea

, 2016
The sea-surface microlayer (SML) at the boundary between atmosphere and hydrosphere represents a demanding habitat for bacteria. Wind speed is a crucial but poorly studied factor for its physical integrity.
Christian Stolle (2038969), Mariana Ribas-Ribas (6977444), Rahlff, Janina, Giebel, Helge-Ansgar, Wurl, Oliver, Dorothee Hodapp (8015345), Thorsten Brinkhoff (385125), Janina Rahlff (8015342), Brinkhoff, Thorsten, Hodapp, Dorothee, Stolle, Christian, Ribas-Ribas, Mariana, Helge-Ansgar Giebel (7884953), Oliver Wurl (6960032)   +13 more
core   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Offshore Wind Energy: Wind and Sea Surface Temperature from Satellite Observations [PDF]

, 2012
As the land space suitable for wind turbine installations becomes saturated, there is a growing interest for oshore locations. There, available measurements of various environmental parameters are limited and the physical environment is still not well ...
Karagali, Ioanna
core  

A Simplified Laminar Flow Model for the Pultrusion of Glass Fiber/Polyethylene Terephthalate Commingled Yarns

Advanced Engineering Materials, EarlyView.
A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares, Nadège Bouchonneau, Christian Jochum, Donald Radford   +3 more
wiley   +1 more source

ADM-Aeolus ocean surface calibration and Level-2B processing [PDF]

, 2009
Preparations for the European Space Agency’s (ESA) Atmospheric Dynamics Mission (ADM-Aeolus), which is scheduled for launch in 2011, are in full progress.
Stoffelen, A., Dabas, A., Desportes, Ch., Tan, D., Nett, H., Kloe de, J., Isaksen, L., Straume, A.-G., Payan, Ch., Flamant, P., LeRille, O., Reitebuch, O., Marseille, G. J., Huber, D.   +13 more
core  

Flexural Behavior of 3D‐Printed Porous Bouligand‐Structured Polymers: Influence of Pitch Angle and Porosity

Advanced Engineering Materials, EarlyView.
This study examines how helicoidal architectures with different porosities respond to bending. Adjusting layer angle and spacing in 3D‐printed polymers reveals clear tradeoffs between stiffness, strength, and energy absorption. Experiments and simulations highlight designs that distribute stress effectively, offering pathways for optimizing lightweight
Praveenkumar Subhash Patil, Edward D. McCarthy, Parvez Alam   +2 more
wiley   +1 more source

Modulation of tropical cyclone intensity by current–wind interaction

npj Climate and Atmospheric Science
Current–wind interaction modulates air–sea momentum and turbulent heat fluxes, which are critical in the energy cycle of tropical cyclones (TCs). However, the effects of the surface currents on air–sea exchange under TCs have remained unclear.
Ajin Cho, Hajoon Song, Il-Ju Moon, Hyodae Seo, Rui Sun, Matthew R. Mazloff, Aneesh C. Subramanian, Bruce D. Cornuelle, Arthur J. Miller   +8 more
doaj   +1 more source

Electrochemical Behavior of Flame‐Sprayed Sc‐Doped AlCoCrFeMo High‐Entropy Alloy Coatings in 3.5% Sodium Chloride Solution

Advanced Engineering Materials, EarlyView.
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar, Akash Vyas, Mohammad Aatif Qazi, Nashit Jalal, Maria Ophelia Jarligo, Mostafa Yakout, Jing Liu, André McDonald   +7 more
wiley   +1 more source