Articles with "safety factor" as a keyword



Probabilistic analysis of the specific absorption rate intersubject variability safety factor in parallel transmission MRI

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Published in 2017 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26468

Abstract: Specific absorption rate (SAR) calculations in parallel transmission are commonly performed by using electromagnetic simulations on generic models. In this study, we propose a probabilistic analysis to study the safety factor employed to account for… read more here.

Keywords: specific absorption; parallel transmission; safety factor; probabilistic analysis ... See more keywords
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Safety factor analysis of a tunnel face with an unsupported span in cohesive-frictional soils

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Published in 2020 at "Computers and Geotechnics"

DOI: 10.1016/j.compgeo.2019.103221

Abstract: Abstract Ensuring the stability of the tunnel face and the unsupported span is a critical issue in conventional tunnelling. An improved prism-wedge model is established to reasonably evaluate the safety factor of a tunnel face… read more here.

Keywords: tunnel; safety factor; unsupported span; face unsupported ... See more keywords

Reliability-based safety factor for metallic strip flexible pipe subjected to external pressure

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Published in 2018 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2017.10.025

Abstract: Abstract Reliability-based safety factors for metallic strip flexible pipes(MSFP) subjected to external pressure are calibrated in this paper. The partial safety factors of such pipes are obtained by introducing a target reliability index and using… read more here.

Keywords: based safety; reliability based; safety; safety factor ... See more keywords
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A Safety Factor Approach to Designing Urban Infrastructure for Dynamic Conditions

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Published in 2021 at "Earth's Future"

DOI: 10.1029/2021ef002118

Abstract: Current approaches to design flood‐sensitive infrastructure typically assume a stationary rainfall distribution and neglect many uncertainties. These assumptions are inconsistent with observations that suggest intensifying extreme precipitation events and the uncertainties surrounding projections of the… read more here.

Keywords: designing urban; approach designing; infrastructure; factor approach ... See more keywords

Finite pedestal width formation from early L-H transition stage with a strong edge safety-factor dependence through the resistive ballooning mode

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Published in 2024 at "Physics of Plasmas"

DOI: 10.1063/5.0196127

Abstract: An approximate modeling of the low- to high-confinement (L-H) transition dynamics is given using the method, similar to that by Hinton et al. [Phys. Fluid B 5, 1281 (1993)], but considering more explicitly the L-mode… read more here.

Keywords: safety factor; edge; mode; width ... See more keywords

X-point effects on the ideal MHD modes in tokamaks in the description of dual-poloidal-region safety factor

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Published in 2024 at "Physics of Plasmas"

DOI: 10.1063/5.0227541

Abstract: The flux coordinates with dual-region safety factor (q) in the poloidal direction are developed in this work. The X-point effects on the ideal MHD modes in tokamaks are then analyzed using this coordinate system. Since… read more here.

Keywords: point effects; safety factor; point; effects ideal ... See more keywords

Simultaneous control of safety factor profile and normalized beta for JT-60SA using reinforcement learning

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Published in 2023 at "Nuclear Fusion"

DOI: 10.1088/1741-4326/acd393

Abstract: Plasma with an internal transport barrier (ITB) will be developed in JT-60SA as an attractive operation appropriate for a steady-state fusion reactor. To achieve the ITB plasma while avoiding magnetohydrodynamic instabilities, it is advantageous to… read more here.

Keywords: itb; control safety; control; profile ... See more keywords

Assessment of runaway electron beam termination and impact in ITER

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Published in 2024 at "Nuclear Fusion"

DOI: 10.1088/1741-4326/ad50ea

Abstract: The vertical motion and shrinking of the cold plasma column after a tokamak disruption leads to a natural decrease in the edge safety factor when most of the current is carried by runaway electrons (REs).… read more here.

Keywords: iter; safety factor; beam; termination ... See more keywords

709: SAFETY OF 4-FACTOR PCC FOR REVERSAL OF FXA INHIBITORS VERSUS WARFARIN IN NEUROCRITICAL CARE PATIENTS

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Published in 2019 at "Critical Care Medicine"

DOI: 10.1097/01.ccm.0000551460.73571.35

Abstract: Learning Objectives: Posterior reversible encephalopathy syndrome (PRES) is a state of hyperperfusion and endothelial dysfunction that can present with headache, seizure, encephalopathy, visual impairment, severe hypertension, and cerebral edema on magnetic resonance imaging (MRI). We… read more here.

Keywords: pazopanib; pcc reversal; safety factor; 709 safety ... See more keywords

Safety Factor of Unsaturated Soil Slopes considering the Intermediate Principal Stress Effect and Different Profiles of Matric Suction

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Published in 2021 at "Mathematical Problems in Engineering"

DOI: 10.1155/2021/6622522

Abstract: Profiles of matric suction are critical for assessing the stability of unsaturated soil slopes, and the strength of unsaturated soils is affected by the intermediate principal stress. This study presents a theoretical formulation of safety… read more here.

Keywords: suction; safety; safety factor; soil slopes ... See more keywords
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Analysis of the Effect of Whirl on Drillstring Fatigue

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Published in 2021 at "Shock and Vibration"

DOI: 10.1155/2021/6666767

Abstract: There are many kinds of vibration forms of drillstring in petroleum drilling. Whirl is one of the main vibration modes when drilling tools are drilling, and it is also the main reason of fatigue failure… read more here.

Keywords: factor; safety factor; whirl drillstring; bending stress ... See more keywords