Results 71 to 80 of about 119,636 (304)

Computational-experimental investigation of radiations shielding characteristics for polymethyl methacrylate

open access: yesAin Shams Engineering Journal
This study explores the gamma radiation shielding properties of polymethyl methacrylate (PMMA) samples augmented with varying proportions of silicon carbide (SiC).
Susan Shukur Noori   +4 more
doaj   +1 more source

Radiation shielding calculations for MuCool Test Area at Fermilab

open access: yes, 2004
The MuCool Test Area (MTA) is an intense primary beam facility derived directly from the Fermilab Linac to test heat deposition and other technical concerns associated with the liquid hydrogen targets being developed for cooling intense muon beams.
Johnstone, C., Rakhno, I.
core   +2 more sources

Radiation environment for rendezvous and docking with nuclear rockets [PDF]

open access: yes, 1972
Radiation environment data for the NERVA engine are provided which may be utilized in estimating radiation exposures associated with various space maneuvers.
Lindsey, B. A.   +2 more
core   +2 more sources

Inflammatory Response‐Inspired Thermochromic Shield for Pneumatic Structures

open access: yesAdvanced Engineering Materials, EarlyView.
A thermochromic shield for pneumatic structures is developed, using anhydrous sodium acetate powder and thermochromic pigment‐included solution. In this shield composed of three layers, the exothermic and thermochromic reactions, followed by the mixture of both components, occur promptly with an incident of penetrating damage as a sign of initial ...
Hyun Jae Lee, Ryuma Niiyama
wiley   +1 more source

Stretchable, Transparent, and Ultra-Broadband Terahertz Shielding Thin Films Based on Wrinkled MXene Architectures

open access: yesNano-Micro Letters
Highlights A stretchable, transparent, and ultra-broadband (0.1–10 THz) terahertz shielding MXene (Ti3C2Tx) film has been fabricated by a structure engineering strategy.
Shaodian Yang   +15 more
doaj   +1 more source

Radiation Shielding Properties Comparison of Pb-Based Silicate, Borate, and Phosphate Glass Matrices

open access: yesScience and Technology of Nuclear Installations, 2014
Theoretical calculations of mass attenuation coefficients, partial interactions, atomic cross-section, and effective atomic numbers of PbO-based silicate, borate, and phosphate glass systems have been investigated at 662 keV. PbO-based silicate glass has
Suwimon Ruengsri
doaj   +1 more source

Intercalated graphite fiber composites as EMI shields in aerospace structures [PDF]

open access: yes
The requirements for electromagnetic interference (EMI) shielding in aerospace structures are complicated over that of ground structures by their weight limitations. As a result, the best EMI shielding materials must blend low density, high strength, and
Gaier, James R.
core   +1 more source

Sustainable Synthesis of Bio‐Based Magnetic and Conductive Wood for Electromagnetic Interference Shielding Applications

open access: yesAdvanced Engineering Materials, EarlyView.
A wood‐based magnetic and conductive material called Magwood (MW), capable of blocking almost 99.99% of electromagnetic waves (in the X‐band frequency range), is synthesized using a simple, solvent‐free process. MW is lightweight, resists water, and is flame‐retardant, making it a promising alternative for shielding electronics. The rapid proliferation
Akash Madhav Gondaliya   +3 more
wiley   +1 more source

Modernization of Cross Section Library for VVER-1000 Type Reactors Internals and Pressure Vessel Dosimetry

open access: yesEPJ Web of Conferences, 2016
The broad-group library BGL1000_B7 for neutron and gamma transport calculations in VVER-1000 internals, RPV and shielding was carried out on a base of fine-group library v7-200n47g from SCALE-6 system.
Voloschenko Andrey   +3 more
doaj   +1 more source

A probability-conserving cross-section biasing mechanism for variance reduction in Monte Carlo particle transport calculations

open access: yes, 2011
In Monte Carlo particle transport codes, it is often important to adjust reaction cross sections to reduce the variance of calculations of relatively rare events, in a technique known as non-analogous Monte Carlo.
Agostinelli   +6 more
core   +1 more source

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