Results 81 to 90 of about 260,308 (356)
Degradation of a Multilayer Insulation Due to a Seam and a Penetration [PDF]
The degradation of the thermal performance of a multilayer insulation due to the presence of a seam and a penetration was studied. The multilayer insulation had 30 aluminized Mylar radiation shields with silk net spacers.
Sumner, I. E.
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Advanced Functional Materials, EarlyView.A reproducible synthesis to control 3D/0D phase ratios via water‐tuned solvent–antisolvent methods is presented. Enhanced scintillation yield and ultrafast decay are achieved. Defect‐driven emission mechanisms are revealed through cathodoluminescence and radioluminescence, shedding light on the underexplored role of the 0D Cs4PbBr6 and mixed 0D/3D ...
Mario Calora +18 more
wiley +1 more source
NanomaterialsOctavinyl polyhedral oligomeric silsesquioxane (POSS) can be used to improve the thermal stability of silicone rubber (SR). However, POSS nanoparticles tend to agglomerate in SR matrix, negatively affecting the reinforcement role of POSS for SR, and ...
Junjie Peng, Yong Zhang
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Design and evaluation of thin metal surface insulation for hypersonic flight [PDF]
An all-metal insulation was studied as a thermal protection system for hypersonic vehicles. Key program goals included fabricating the insulation in thin packages which are optimized for high temperature insulation of an actively cooled aluminum ...
Miller, R. C., Petach, A. M.
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High-temperature, reusable surface insulation system [PDF]
, 1975 System is capable of withstanding extreme temperature environments ranging from -250 to 2300 F (116 K to 1543 K). System includes impervious, high-density, high-thermal-emittance outer coating which has low coefficient of thermal expansion matching that ...
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Direct Evidence of Topological Dirac Fermions in a Low Carrier Density Correlated 5d Oxide
Advanced Functional Materials, EarlyView.The 5d oxide BiRe2O6 is discovered as a low‐carrier‐density topological semimetal hosting symmetry‐protected Dirac fermions stabilized by nonsymmorphic symmetries. Angle‐resolved photoemission spectroscopy, quantum oscillations, and magnetotransport measurements reveal gapless Dirac cones, quasi‐2D Fermi surfaces, high carrier mobility, and a field ...
Premakumar Yanda +11 more
wiley +1 more source
Thermal analysis and energy-efficient solutions to preserve listed building façades. The INA-Casa building heritage [PDF]
, 2017 Energy efficiency of building heritage derived from pre-regulation period is one of the most debated topics in Europe. Building facades, through opaque walls and thermal bridges, are a major source of transmission heat losses and require sustainable and ...
Cecere, Carlo +2 more
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Backbone Heterojunction Photocatalysts for Efficient Sacrificial Hydrogen Production
Advanced Functional Materials, EarlyView.Herein, a ‘single‐component’ organic semiconductor photocatalyst is presented in which a molecular donor is bonded to a polymer acceptor. The resultant material demonstrates exceptional photocatalytic activity for hydrogen evolution in aqueous triethylamine with an outstanding external quantum efficiency of 38% at 420 nm.
Richard J. Lyons +11 more
wiley +1 more source
Thermal insulation fibers with a Kevlar aerogel core and a porous Nomex shell
, 2021 Yueyan Sun, Weiwang Chen, Xiaomeng Zhou
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A ceramic composite thermal insulation [PDF]
, 1967 Ceramic composite thermal insulation comprised of alumina-silica fibers, pigmentary potassium titanate, and asbestos fibers, bonded with a colloidal silica sol has improved insulating capabilities to both radiant and convective heat.
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