Results 1 to 10 of about 5,819 (195)

Shielding features of concrete types containing sepiolite mineral: Comprehensive study on experimental, XCOM and MCNPX results

open access: yesResults in Physics, 2018
Natural sepiolite mineral is a naturally occurring clay form belonging to a part of layered silicate. Because of its advantages such as low production cost, light-weight and convenient, it may be selected as an alternative shielding material to others ...
M I Sayyed, Osman Agar
exaly   +4 more sources

Comparison of Monte Carlo simulation of gamma ray attenuation coefficients of amino acids with XCOM program and experimental data

open access: yesResults in Physics, 2018
The mass attenuation coefficients (μ/ρ), effective atomic numbers (Zeff) and electron densities (Ne) of some amino acids obtained experimentally by the other researchers have been calculated using MCNP5 simulations in the energy range 0.122–1.330 MeV ...
M I Sayyed, Shams A M Issa
exaly   +4 more sources

Gamma Ray Shielding Study of Barium–Bismuth–Borosilicate Glasses as Transparent Shielding Materials using MCNP-4C Code, XCOM Program, and Available Experimental Data

open access: yesNuclear Engineering and Technology, 2017
In this work, linear and mass attenuation coefficients, effective atomic number and electron density, mean free paths, and half value layer and 10th value layer values of barium–bismuth–borosilicate glasses were obtained for 662 keV, 1,173 keV, and 1,332 
Reza Bagheri   +2 more
exaly   +3 more sources

The improved extrapolated center of mass enhances the safety of exoskeleton system [PDF]

open access: yesScientific Reports
Maintaining the balance and safety of the exoskeleton human–robot coupling system is a prerequisite for realizing the rehabilitation training function. Therefore, research on the balance of lower limb exoskeleton robots has attracted much attention. When
Chang Wang   +5 more
doaj   +2 more sources

High-density lead-free alloys for compact and sustainable photon shielding: a Monte Carlo and benchmarking study [PDF]

open access: yesScientific Reports
The quest for next-generation radiation shielding hinges on finding lead-free alloys that balance high density with environmental safety. In this work, we targeted three transition metal arsenides (VAs, MoAs, and TaAs) to determine their efficacy against
Morad Khalid Hamad
doaj   +2 more sources

Experimental and simulation study of shielding features of polyester/HgO composites against photons using GEANT4 and MCNP codes [PDF]

open access: yesScientific Reports
In this study, the shielding properties of six samples of the polyester (PE)/HgO composite against photons with an energy range of 0.01–15 MeV (including a 137Cs source with an energy of 662 keV) are evaluated.
Vafa Zebardast, Akbar Abdi Saray
doaj   +2 more sources

Exploring green environmental composites as hosts for shielding materials using experimental, theoretical and Geant4 simulation methods [PDF]

open access: yesScientific Reports
Rice straw is considered an agricultural waste harmful to the environment, which is abundant in most parts of the world. From this point, the present study is devoted to preparing new composites of two types of glue based on rice straw as a plentiful ...
Mahmoud T. Alabsy   +5 more
doaj   +2 more sources

Examining the specification of gamma-ray shielding with increasing TiO2 concentration in the Bi2O3-ZnO-Pb3O4-Al2O3 glass sample with simulation and computational tools [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2023
In this study, using the MCNP Monte Carlo code, the gamma-ray protection properties of the glass system with the composition of (55-x)Bi2O3-15Pb3O4-20Al2O3-10ZnO-xTiO2 with certain concentrations (35, 30, 25, 20, 15, 10, 5 = mol percent) were examined by
A. Arvaneh, A. Asadi, S.A. Hosseini
doaj   +1 more source

Perlit ve Pomza Agregalı Polimer Betonların Radyasyon Zırhlama Performanslarının Araştırılması

open access: yesSüleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2021
Polimer betonların inşaat mühendisliği uygulamalarında kullanımı yüksek mukavemetlerinin yanı sıra çevresel etkilere ve sıvı temasına karşı geçirimsizlik özelliklerinden dolayı her geçen gün artmaktadır.
Ali Nadi Kaplan, Cengiz Özel
doaj   +1 more source

Evaluation of mass attenuation coefficient of concrete sample for different traits

open access: yesBrazilian Journal of Radiation Sciences, 2022
Concrete is widely used in the world and is the main material for civil construction. Due to its properties, it has different uses such as structural, filling and shielding. The aim of this work is to compare experimental and theoretical mass attenuation
Luan Ferreira Bastos   +7 more
doaj   +1 more source

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