Results 71 to 80 of about 4,650,677 (354)

The limit of vanishing viscosity for the incompressible 3D Navier-Stokes equations with helical symmetry

open access: yes, 2017
In this paper, we are concerned with the vanishing viscosity problem for the three-dimensional Navier-Stokes equations with helical symmetry, in the whole space.
Filho, Milton C. Lopes   +3 more
core   +1 more source

Association of Corticospinal Tract Asymmetry With Ambulatory Ability After Intracerebral Hemorrhage

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Ambulatory ability after intracerebral hemorrhage (ICH) is important to patients. We tested whether asymmetry between ipsi‐ and contra‐lesional corticospinal tracts (CSTs) assessed by diffusion tensor imaging (DTI) is associated with post‐ICH ambulation.
Yasmin N. Aziz   +25 more
wiley   +1 more source

Research on Intake Distortion of a Three‑Stage Transonic Fan Based on Body Force Model

open access: yesNanjing Hangkong Hangtian Daxue Xuebao
The effects of circumferential total pressure distortion and different types of swirl distortion on the performance and stability of three‑stage transonic fan are studied by the body force model (BFM) and computational fluid dynamics (CFD), and the ...
SUN Gaoqing, LI Chuanpeng, TU Baofeng
doaj   +1 more source

Design and testing of a contra-rotating tidal current turbine [PDF]

open access: yes, 2005
A contra-rotating marine current turbine has a number of attractive features: nearzero reactive torque on the support structure, near-zero swirl in the wake, and high relative inter-rotor rotational speeds.
Clarke, J. A.   +3 more
core   +4 more sources

Development of a Prediction Model for Progression Risk in High‐Grade Gliomas Based on Habitat Radiomics and Pathomics

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To investigate the value of constructing models based on habitat radiomics and pathomics for predicting the risk of progression in high‐grade gliomas. Methods This study conducted a retrospective analysis of preoperative magnetic resonance (MR) images and pathological sections from 72 patients diagnosed with high‐grade gliomas (52 ...
Yuchen Zhu   +14 more
wiley   +1 more source

Experimental Study on the Discharge Coefficient of Bi-Swirl Coaxial Injectors

open access: yesJournal of Applied Fluid Mechanics, 2019
An experimental study was carried out to investigate the effects of recess length and mixture ratio on the discharge coefficient of bi-swirl coaxial injectors with inner closed-type and outer open-type swirl injectors. Ten bi-swirl coaxial injectors were
K. Ahn, B. J. Lee
doaj  

Modeling of air flow in industrial rooms

open access: yesSelected Scientific Papers: Journal of Civil Engineering, 2018
The article is devoted to the air distribution in a room by swirl and laying air jets. Dynamic parameters of air flow that is created due to swirl and laying air jets at their leakage in a room has been determined.
Yurkevych Yuriy   +2 more
doaj   +1 more source

Flow distortion measurements in convoluted aero engine intakes [PDF]

open access: yes, 2015
The unsteady flowfields generated by convoluted aero engine intakes are major sources of instabilities that can compromise the performance of the downstream turbomachinery components.
Chiereghin, Nicola   +2 more
core   +2 more sources

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende   +26 more
wiley   +1 more source

Experimental and Theoretical Study on Spray Angles of Bi-Swirl Coaxial Injectors

open access: yesJournal of Applied Fluid Mechanics, 2018
An experimental and theoretical study was undertaken to investigate the effects of the recess length, swirl direction, and mixture ratio on the spray angles of the bi-swirl coaxial injectors with the inner, closed-type and outer, open-type swirl ...
W. Yoon, K. Ahn
doaj  

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