Results 81 to 90 of about 1,963,831 (233)

A Compact Annular Electrostatic Clutch Joint: Dynamic Response Modeling and Time‐Sharing Control for Underactuated Robots

open access: yesSmartBot, EarlyView.
Electrostatic clutches offer programmable variable stiffness for multi‐DOF robots, but their continuous motion is usually bottlenecked by spatial constraints and detachment delays. Here, the authors report a compact annular electrostatic clutch joint with a biphasic amplitude‐frequency modulation strategy to rapidly mitigate residual polarization ...
Haochen Yong   +5 more
wiley   +1 more source

Vibrational Exfoliation of 2D Materials

open access: yesSmall, EarlyView.
Vibrational energy folds, fractures and exfoliates atomically and molecularly thin materials. Combining experimentation and computational methods, this unique vibrational synthesis pathway is revealed. This process overcomes barriers of existing approaches by processing 1000 g/L dispersions without loss in yield.
Aadam Rabani   +5 more
wiley   +1 more source

Progress in Explosion Mechanisms and Prevention Technologies for Direct Chill Casting Aluminum Melt Upon Water Contact: A Review

open access: yesSafety Science and Technology, EarlyView.
Molten aluminum–water explosion triggered by leakage remains the core unresolved safety hazard hindering safe production in aluminum direct chill casting. This review summarizes its explosion mechanism, key influencing factors, prevention technologies, existing gaps, and prospects of intelligent multi‐technology integrated explosion‐proof systems ...
Min Wang   +5 more
wiley   +1 more source

Flexural behavior of precast prestressed slabs with embedded building service systems

open access: yesStructural Concrete, EarlyView.
Abstract Dry‐assembled precast concrete construction is rapidly spreading in many parts of the world due to the several advantages offered by industrialized construction. In order to speed up not only the assemblage of the structure, but also the full integrated building process, engineering systems (mechanical–electrical–plumbing) may be prefabricated
Bruno Dal Lago, Aleksei Abramov
wiley   +1 more source

Additive layer manufactured sinter-style aluminium/ammonia heat pipes [PDF]

open access: yes, 2012
A novel heat pipe (HP) manufacturing method has been developed based on an additive layer manufacturing technique called “selective laser melting” or SLM.
Masoud Ameli, Seied
core  

Heat Transfer Mechanism Study of an Embedded Heat Pipe for New Energy Consumption System Enhancement

open access: yesEnergies
Aiming at the demand for new energy consumption and mobile portable heat storage, a gravity heat pipe with embedded structure was designed. In order to explore the two-phase heat transfer mechanism of the embedded heat pipe, CFD numerical simulation ...
Yuanlin Cheng   +7 more
doaj   +1 more source

Nonthermal plasma approaches for combating implant‐associated infections: A compendious review

open access: yesVIEW, EarlyView.
Implant‐associated infections pose serious clinical challenges. Non‐thermal plasma (NTP) modifications overcome this bottleneck in distinct ways relative to traditional sterilization methods. Gas‐phase plasmas generate highly energetic species, UV radiation and reactive oxygen/nitrogen species (RONS), which alter the implant surface properties.
A. M. Trimukhe   +8 more
wiley   +1 more source

Development of Heat Pipe Heat Exchanger [PDF]

open access: yes, 2018
In this study, the gas-to-liquid heat pipe heat exchanger was fabricated and tested, and the thermal recovery capability and thermal performance of heat pipe heat exchangers were investigated.
Kang, Shung-Wen;Lu, Chen-Yu;Hung, Wei-Jie;Wang, Cheng-Wei
core   +1 more source

Heat transfer Augmentation of Gravity Assisted Multi Heat pipe Induced Heat Exchanger

open access: yesInternational Journal of Engineering and Advanced Technology, 2019
Heat transfer augmentation of a heat exchanger with a multi-heat pipe has been investigated with the influence of gravity assistance. The working fluids used to analyse the performance are methanol and acetone. Water is used as a heat transfer fluid. In which, the analysis is carried out with the gravity-assisted angles of 0º, 45º and 90º. In this work,
P. Ram Kumar   +3 more
openaire   +1 more source

Diffusion of Characteristic Gases in Oil‐Immersed Transformer by Computational Fluid Dynamics Simulation and Experimental Verification

open access: yesHigh Voltage, EarlyView.
ABSTRACT The complex diffusion of characteristic gases within oil‐immersed transformers significantly influences the timeliness between the fault occurrence and gas detection. So far, the gas transport processes and spatio‐temporal distributions remain inadequately understood.
Chunpeng Li   +7 more
wiley   +1 more source

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