Results 21 to 30 of about 774,959 (299)

Use of Landsat 5 for Change Detection at 1998 Indian and Pakistani Nuclear Test Sites

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2014
An underground nuclear explosion (UNE) can generate a shock wave that lofts surface material, resulting in surface changes that might be detectable. The Comprehensive Nuclear Test-Ban Treaty (CTBT) allows ground and airborne spectral and thermal imaging ...
Michael E. Zelinski   +2 more
doaj   +1 more source

AP1000 Shield Building Dynamic Response for Different Water Levels of PCCWST Subjected to Seismic Loading considering FSI

open access: yesScience and Technology of Nuclear Installations, 2015
Huge water storage tank on the top of many buildings may affect the safety of the structure caused by fluid-structure interaction (FSI) under the earthquake.
Daogang Lu, Yu Liu, Xiaojia Zeng
doaj   +1 more source

Passive euthanasia [PDF]

open access: yesJournal of Medical Ethics, 2005
The idea of passive euthanasia has recently been attacked in a particularly clear and explicit way by an “Ethics Task Force” established by the European Association of Palliative Care (EAPC) in February 2001. It claims that the expression “passive euthanasia” is a contradiction in terms and hence that there can be no such thing.
Garrard, E., Wilkinson, Stephen
openaire   +3 more sources

Study on Performance of Mesoscopic Impactor Filters for Aerosol Removal

open access: yesScience and Technology of Nuclear Installations, 2019
The mesoscopic impactor filter is designed to filtrate aerosols in the containment, which has not only high collection efficiency but also small flow resistance. In this paper, the influence of structural parameters and working parameters of the inertial
Wei Zhang   +4 more
doaj   +1 more source

Comparison of designing simple steel frame & coaxial brace systems by contrast of blast, using two methods of load & resistance coefficients & performance surfaces [PDF]

open access: yesJournal of Structural and Construction Engineering, 2016
Nowadays, because of the increasing terrorist attacks around the urban areas, designing buildings by contrast of resulted loads of blast came into consideration particularly in some sensitive buildings & vital arteries.
P. Hassanvand   +3 more
doaj   +1 more source

Active and Passive acoustic logging applied to the detection of preferential flow in a sedimentary aquifer

open access: yesScience and Technology for Energy Transition, 2023
Two boreholes of an experimental site located in the Cher region (France) were investigated via Full Waveform Acoustic Logging (FWAL). The acoustic tool used for the FWAL experiments is a flexible monopole tool holding two pairs of piezoelectric ...
Mari Jean Luc   +3 more
doaj   +1 more source

Optimization study of lead-based reactor heat exchangers based on Dakota coupling CFD

open access: yesInternational Journal of Advanced Nuclear Reactor Design and Technology
The lead-bismuth fast reactor is one of the fourth-generation reactor types.The microchannel heat exchangers are used as intermediate heat exchangers, which significantly influence the efficiency of supercritical carbon dioxide (S–CO2) Brayton cycle ...
Ge Gao   +6 more
doaj   +1 more source

Prospective PCM–Desiccant Combination with Solar-Assisted Regeneration for the Indoor Comfort Control of an Office in a Warm and Humid Climate—A Numerical Study

open access: yesEnergies, 2023
Favorable thermal conditions within buildings are a necessity. Mechanical air conditioning, although effective, contributes a significant percentage of the world’s total energy use, which contributes to global warming.
Edson Manyumbu   +2 more
doaj   +1 more source

Effect of Photomultiplier Tube Voltage on the Performance of Sealed NaI (Tl) Scintillator Detectors

open access: yesScience and Technology of Nuclear Installations
We explored the nonlinear characteristics of energy resolution (ER) for the sealed NaI (Tl) scintillator detector by using a gamma-ray spectroscopy system and Monte Carlo simulation.
Hongchi Zhou   +4 more
doaj   +1 more source

New Nusselt Number Correlation and Turbulent Prandtl Number Model for Turbulent Convection with Liquid Metal Based on Quasi-DNS Results

open access: yesEnergies
Liquid metal is widely used as the primary coolant in many advanced nuclear energy systems. Prandtl number of liquid metal is much lower than that of the conventional coolant of water or gas. Based on the Reynolds analogy, the turbulent Prandtl number is
Hao Fu   +6 more
doaj   +1 more source

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