Results 71 to 80 of about 351,773 (348)

Dispensing Volumetric Additive Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
Dispensing volumetric additive manufacturing (DVAM) prints 3D structures inside a photocurable resin droplet suspended from the tip of a glass pipette, enabling sequential printing without resin vats or manual part removal. Real‐time droplet profiling and ray‐tracing‐based correction compensate for optical distortion at the curved resin‐air interface ...
Hongryung Jeon   +5 more
wiley   +1 more source

Transient stability-oriented assessment and application of preventive control action for power system

open access: yesThe Journal of Engineering, 2019
The modern power system is becoming more complex and dynamic because of increasing penetration of renewable energy resources, operating closer to system capacity for economic benefits.
Bhanu P. Soni   +4 more
doaj   +1 more source

Design and analysis of dual‐stator hybrid excited linear flux switching machine for long‐stroke applications

open access: yesIET Electric Power Applications, 2021
In this work, a novel dual‐stator hybrid excited linear flux switching machine (DSHELFSM) is proposed. The proposed machine is suitable for long‐stroke applications as all the excitation sources are mounted on a short mover and the stator is completely ...
Basharat Ullah   +4 more
doaj   +1 more source

Calculation of clearances in twin screw compressors [PDF]

open access: yes, 2019
Clearances between rotating and stationary parts in a screw compressor are set to ensure the efficient operation and allow for thermal deformation without unwanted contacts.
Ahmed Kovacevic   +9 more
core   +1 more source

Exploring viscosity, polarity and temperature sensitivity of BODIPY-based molecular rotors.

open access: yesPhysical Chemistry, Chemical Physics - PCCP, 2017
Microviscosity is a key parameter controlling the rate of diffusion and reactions on the microscale. One of the most convenient tools for measuring microviscosity is by fluorescent viscosity sensors termed 'molecular rotors'.
Aurimas Vyšniauskas   +9 more
semanticscholar   +1 more source

The Terminal Domains of Collagen‐Like Silk Direct Molecular Interactions and Liquid–Liquid Phase Separation‐Mediated Material Assembly

open access: yesAdvanced Functional Materials, EarlyView.
Terminal domains of recombinant collagen‐like silk regulate hierarchical self‐assembly across molecular and material scales. We show that terminal domains of collagen‐like silk enhance triple‐helix stability and drive liquid–liquid phase separation, enabling reversible formation of fibers and self‐healing films.
Mengjie Shen   +5 more
wiley   +1 more source

Performance of multi-stage axial-flux machines with MMEs

open access: yesThe Journal of Engineering, 2019
This study covers the investigation into the reduction of rare-earth magnets in a permanent magnet (PM) machine via the use of multiple rotors to enable a PM generator to be comprised of mixed magnetic elements, hereafter referred to as MME, by ...
Anthony James Spargo
doaj   +1 more source

Simulating wind turbine interactions using the vorticity transport equations [PDF]

open access: yes, 2009
The aerodynamic interactions that can occur within a wind farm result in the constituent turbines generating a lower power output than would be possible if each of the turbines were operated in isolation.
Brown, R.E., Fletcher, Timothy M.
core  

A comparative study between optimal metal and composite rotors for flywheel energy storage systems

open access: yesEnergy Reports, 2018
Most recent research on flywheel rotors has focused on high-speed composite rotors as the storage element of the flywheel energy storage system (FESS).
V. Kale, M. Secanell
semanticscholar   +1 more source

Graphene Nanosheet‐Based Mixed Proton‐Electron Conducting Membranes for Efficient Hydrogen Purification

open access: yesAdvanced Functional Materials, EarlyView.
A monolayer graphene/phosphoric‐acid mixed proton‐electron conducting membrane combines proton‐conducting nanoconfined acid channels with electron‐conducting graphene nanosheets for efficient high‐temperature hydrogen purification. The membrane achieves nearly 100% H2/CO2 selectivity and 69 GPU hydrogen permeance at 250°C, arising from synergistic ...
Kaiqiang He   +8 more
wiley   +1 more source

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