Synergy of supercritical CO2 and superheated H2O for enhanced processability of polyethersulfone towards open cell foams
Sign Up to like & getrecommendations! Published in 2018 at "Polymer Engineering and Science"
DOI: 10.1002/pen.24673
Abstract: Processing of a high glass transition (Tg) polymer such as polyethersulfone (PES; Tg = 225°C) poses a challenge as it requires high processing temperatures or sometimes toxic solvents. In this work, we report of a facile process… read more here.
Keywords: polyethersulfone; co2; cell foams; cell ... See more keywords
Full-field analysis of gas flow within open-cell foams: comparison of micro-computed tomography-based CFD simulations with experimental magnetic resonance flow mapping data
Sign Up to like & getrecommendations! Published in 2020 at "Experiments in Fluids"
DOI: 10.1007/s00348-020-02960-4
Abstract: Abstract Pattern of fluid flow through open-cell foams is important because of its influence on the performance of processes such as filtration, adsorption and heterogeneous catalysis that make use of such foams. So far, however,… read more here.
Keywords: gas flow; flow; cell foams; cfd simulations ... See more keywords
Effective conductivity of Voronoi’s closed- and open-cell foams: analytical laws and numerical results
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science"
DOI: 10.1007/s10853-017-1226-z
Abstract: AbstractThe conductive heat transfer in high-porosity cellular materials is generally treated by defining a homogeneous effective thermal conductivity. Numerous empirical and semiempirical models as well as numerical investigations have already been conducted to estimate this… read more here.
Keywords: effective conductivity; conductivity; cell foams; cell ... See more keywords
Effective Ce-based catalysts deposition on ceramic open cell foams
Sign Up to like & getrecommendations! Published in 2019 at "Applied Catalysis A: General"
DOI: 10.1016/j.apcata.2019.05.023
Abstract: Abstract In this work, ceramic powder dispersion was achieved by using a glycerol/water solution as dispersion medium and polyvinyl alcohol as binder and rheology modifier. Five different powders were dispersed and they were deposited onto… read more here.
Keywords: effective based; based catalysts; cell foams; open cell ... See more keywords
Large stiffness thermoformed open cell foams with auxeticity
Sign Up to like & getrecommendations! Published in 2020 at "Applied Materials Today"
DOI: 10.1016/j.apmt.2020.100775
Abstract: Abstract Open cell foams with auxeticity and modulus 5 times larger than the stiffest auxetic polymeric open cell foam featured in scientific literature are developed in this paper by using vacuum bags and autoclave following… read more here.
Keywords: large stiffness; stiffness thermoformed; cell foams; foams auxeticity ... See more keywords
Predicting pressure drop in open-cell foams by adopting Forchheimer number
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Multiphase Flow"
DOI: 10.1016/j.ijmultiphaseflow.2017.04.010
Abstract: Abstract Interconnected struts arranged in 3-D foam structures pose a challenge in understanding fluid flow, which is significantly different from that in traditional porous media. Different flow regimes (Darcy, transition and weak inertia regimes) and… read more here.
Keywords: flow; forchheimer number; number; cell foams ... See more keywords
Volumetric radiative properties of irregular open-cell foams made from semitransparent absorbing-scattering media
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Quantitative Spectroscopy and Radiative Transfer"
DOI: 10.1016/j.jqsrt.2018.11.037
Abstract: Abstract This study aims to fully investigate the volumetric radiative properties of irregular open-cell foams made from semitransparent absorbing-scattering media such as ceramics. A Monte Carlo ray-tracing model was established in the limit of geometric… read more here.
Keywords: volumetric radiative; cell foams; open cell; foams made ... See more keywords
Heat Transport in Open-Cell Foams: CFD Analysis of Artificial Heat Sources vs Fully Resolved Exothermal Reactions
Sign Up to like & getrecommendations! Published in 2021 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.0c05982
Abstract: Catalytic structured foam reactors show promising characteristics for process intensification such as low pressure drop, high specific surface area, and remarkable heat transport. Especially for th... read more here.
Keywords: heat; cell foams; open cell; transport open ... See more keywords
Coating of polydopamine on polyurethane open cell foams to design soft structured supports for molecular catalysts.
Sign Up to like & getrecommendations! Published in 2019 at "Chemical communications"
DOI: 10.1039/c9cc05379d
Abstract: Polydopamine-coated polyurethane open cell foams are used as structured supports for molecular catalysts through the covalent anchoring of alkoxysilyl arms by the catechol groups of the mussel-inspired layer. This strong bonding prevents their leaching. No… read more here.
Keywords: supports molecular; molecular catalysts; structured supports; cell foams ... See more keywords
Thickness Measurement of Cell Walls of Closed-cell Foams in Micro-CT Images.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of microscopy"
DOI: 10.1111/jmi.13190
Abstract: Characterising the microstructure of foams is an important task for improving foam manufacturing processes and building foam numerical models. This study proposed a method for measuring the thickness of individual cell walls of closed-cell foams… read more here.
Keywords: cell; micro images; distance; closed cell ... See more keywords
Dynamic Response and Numerical Simulation of Closed-Cell Al Foams
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15228207
Abstract: The drop hammer impact test was carried out to investigate the dynamic response of closed-cell Al foams. A relatively reasonable method was also developed to evaluate the velocity sensitivity of cellular material. The typical impact… read more here.
Keywords: dynamic response; impact; closed cell; simulation ... See more keywords