Results 81 to 90 of about 242,081 (346)

Effects of Solid Particles at Varying Concentrations on Hydrodynamic Cavitation Evolution in a Nozzle [PDF]

open access: yesJournal of Applied Fluid Mechanics
This study investigated the effects of solid particles at varying concentrations on hydrodynamic cavitation within a nozzle in a solid particle-pure water-hydrodynamic cavitation flow system.
D. Wang, W. G. Zhao, X. D. Han
doaj   +1 more source

Optimal design of jet pig nozzle based on numerical simulation of flow field

open access: yesYou-qi chuyun, 2020
Pipeline transportation efficiency and safety are seriously affected by black powder in natural gas pipelines. The black powder removal is less efficient, and the pig blockage phenomenon is easy to occur when using existing pig with leather bowl, magnet ...
Zhaoqiang SUN   +4 more
doaj   +1 more source

High‐Performance Low‐Emissivity Paints Enabled by N‐Doped Poly(benzodifurandione) (n‐PBDF) for Energy‐Efficient Buildings

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a scalable and colored low‐emissivity (low‐e) paint achieved by spraying an ultrathin n‐doped poly(benzodifurandione) (n‐PBDF) coating onto various colored substrates. The low‐e paint enhances thermal regulation by reducing mid‐infrared thermal emissivity to 0.19, thereby stabilizing indoor temperatures across diverse climates ...
Xiaojie Liu   +13 more
wiley   +1 more source

Dual‐Mode Film Based on Highly Scattering Nanofibers and Upcycled Chips‐Bags for Year‐Round Thermal Management

open access: yesAdvanced Functional Materials, EarlyView.
Intelligent radiative cooling devices, adaptable to various weather conditions, have the potential for year‐round energy savings. This study introduces a sustainable dual‐mode film made from polycaprolactone nanofibers and upcycled chip bags for effective thermal management.
Qimeng Song   +4 more
wiley   +1 more source

Design and Analysis of Fused Deposition Modeling 3D Printer Nozzle for Color Mixing

open access: yes, 2017
Fused deposition modeling (FDM) has been one of the most widely used rapid prototyping (RP) technologies leading to the increase in market attention. Obviously it is desirable to print 3D objects; however, existing FDM printers are restricted to printing
S. Han   +4 more
semanticscholar   +1 more source

Control of physical properties of carbon nanofibers obtained from coaxial electrospinning of PMMA and PAN with adjustable inner/outer nozzle-ends

open access: yesNanoscale Research Letters, 2016
Hollow carbon nanofibers (HCNFs) were prepared by electrospinning method with several coaxial nozzles, in which the level of the inner nozzle-end is adjustable. Core/shell nanofibers were prepared from poly(methyl methacrylate) (PMMA) as a pyrolytic core
N. Kaerkitcha, S. Chuangchote, T. Sagawa
semanticscholar   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

open access: yesAdvanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana   +2 more
wiley   +1 more source

Effects of Temperature Annealing on the Intrinsic Transport Mechanisms of Solution Processed Graphene Nanosheet Networks

open access: yesAdvanced Functional Materials, EarlyView.
Unravelling charge transport mechanisms in graphene nanosheet networks: by combining temperature‐dependent conductivity measurements with a Random Resistor Network model, this study identifies a transition from hopping‐dominated conduction to a band‐like transport mechanism.
Alessandro Grillo   +9 more
wiley   +1 more source

Vat Photopolymerization of High Molecular Weight Polymer Latexes with Pseudothermoplastic Properties for Recyclability

open access: yesAdvanced Functional Materials, EarlyView.
A photocurable latex system enables high‐resolution vat photopolymerization of water‐dispersed thermoplastics, yielding pseudothermoplastic materials with recyclability. The formulation permits precise control over mechanical properties and supports reprocessing through conventional and extrusion‐based methods. Compatibility with two‐photon 3D printing
Jon Ayestaran   +12 more
wiley   +1 more source

IMPACT OF TEHNICAL SPRAYING FACTORS ON LEAF AREA COVERAGE IN PERMANENT CROPS [PDF]

open access: yesPoljoprivreda, 2013
Researches are conducted in vineyard and apple orchard with two different types of mist blowers, axial (Hardi Zaturn) and radial (Hardi Arrow). The influence of major technical spraying factors (type of nozzle, working speed and spray volume) were ...
Vjekoslav Tadić
doaj  

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