Results 41 to 50 of about 242,659 (303)

Deformed aerogels in the superfluid 3He

open access: yes, 2015
Deformed aerogels induce a global anisotropy in the superfluid 3He and orient the orbital part of its order parameter. Here a phenomenological theory of the orientational effect of elastic deformations of aerogels on the superfluid phases of 3He in the ...
Fomin, I. A., Surovtsev, E. V.
core   +1 more source

Tests of a proximity focusing RICH with aerogel as radiator [PDF]

open access: yes, 2003
Using aerogel as radiator and multianode PMTs for photon detection, a proximity focusing Cherenkov ring imaging detector has been constructed and tested in the KEK $\pi$2 beam. The aim is to experimentally study the basic parameters such as resolution of
Adachi, I.   +12 more
core   +1 more source

Thermochemical Properties of Glass Wool/Maerogel Composites

open access: yesAdvances in Materials Science and Engineering, 2016
Aerogel blankets are composites of silica aerogel particles dispersed in a reinforcing fiber matrix that turns the brittle aerogel into durable and flexible insulating materials.
Bahador Dastorian Jamnani   +3 more
doaj   +1 more source

One-Pot Sol–Gel Synthesis of Highly Insulative Hybrid P(AAm-CO-AAc)-Silica Aerogels with Improved Mechanical and Thermal Properties

open access: yesGels, 2023
Silica aerogels and their derivatives have outstanding thermal properties with exceptional values in the thermal insulation industry. However, their brittle nature restricts their large-scale commercialization.
Akshay A. Ransing   +11 more
doaj   +1 more source

Smectic ordering in liquid crystal - aerosil dispersions II. Scaling analysis

open access: yes, 2002
Liquid crystals offer many unique opportunities to study various phase transitions with continuous symmetry in the presence of quenched random disorder (QRD).
A. Aharony   +31 more
core   +1 more source

Predicted and in situ performance of a solar air collector incorporating a translucent granular aerogel cover [PDF]

open access: yes, 2012
This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2012 ElsevierThere is an opportunity to improve the efficiency of flat plate solar air collectors by replacing their ...
Athienitis   +44 more
core   +1 more source

Shape‐Morphing Nanoengineered Hydrogel Ribbons as Hemostats

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a self‐assembling, shape‐morphing nanoengineered hydrogel ribbon system that rapidly forms porous aggregates in situ for efficient hemostasis in trauma and surgical applications. Abstract Rapid and effective hemorrhage control remains a major challenge in trauma and surgical care, particularly for complex or noncompressible wounds.
Ryan Davis Jr   +9 more
wiley   +1 more source

Deformation of Silica Aerogel During Fluid Adsorption

open access: yes, 2005
Aerogels are very compliant materials - even small stresses can lead to large deformations. In this paper we present measurements of the linear deformation of high porosity aerogels during adsorption of low surface tension fluids, performed using a ...
D. R. Daughton   +7 more
core   +1 more source

Introducing Pure Calcium Orthophosphate Gels and Aerogels

open access: yesAdvanced Functional Materials, EarlyView.
The synthesis of calcium phosphate‐based gels and aerogels is reported, which exhibit highly porous structures built up of networks of nanoparticles. In case of amorphous aerogels, this leads to yet unmatched specific BET surface areas, making these materials especially interesting for biomedical applications.
Oliver Jeske   +4 more
wiley   +1 more source

Thermal Gelation for Synthesis of Surface-Modified Silica Aerogel Powders

open access: yesGels, 2021
A spherical silica aerogel powder with hydrophobic surfaces displaying a water contact angle of 147° was synthesized from a water glass-in-hexane emulsion through ambient pressure drying. Water glass droplets containing acetic acid and ethyl alcohol were
Kyoung-Jin Lee   +3 more
doaj   +1 more source

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