نتایج جستجو برای: swept angle

تعداد نتایج: 134470  

2016
Sang-Yoon Lee Eun Kyoung Lee Ki Ho Park Dong Myung Kim Jin Wook Jeoung

PURPOSE To report an asymmetry analysis of macular inner retinal layers using swept-source optical coherence tomography (OCT) and to evaluate the utility for glaucoma diagnosis. DESIGN Observational, cross-sectional study. PARTICIPANTS Seventy normal healthy subjects and 62 glaucoma patients. METHODS Three-dimensional scans were acquired from 70 normal subjects and 62 open angle glaucoma ...

2017
Handan Akil Alex S. Huang Brian A. Francis Sirinivas R. Sadda Vikas Chopra

PURPOSE To evaluate optic nerve vascular density using swept source optical coherence tomography angiography (OCTA) in patients with early primary open angle glaucoma (POAG), pre-perimetric glaucoma and normal eyes. METHODS This is a prospective, observational study including 56 eyes in total and divided into 3 groups; 20 eyes with mild POAG, 20 pre-perimetric glaucoma eyes, and 16 age-matche...

Journal: :Journal of Innovative Optical Health Sciences 2021

Journal: :Aerospace Science and Technology 2021

An investigation was conducted to evaluate the effectiveness of a passive gust alleviation device (PGAD) installed in flying-wing aircraft 62.3 m wing span at large swept back angle. It performed by numerical analysis and validated wind-tunnel test 1:25 reduced scale physical model dynamic similarity full-scale aircraft. The 1- cosine with range parameters specified airworthiness regulation CS-...

2008
Gabriel Hugh Elkaim

The Atlantis Project is a wing-based autonomous sailing vessel, based on a Prindle-19 catamaran, that has demonstrated line following under automatic control to an accuracy of better than 0.3meters. This work details both the design of the wing section and the configuration analysis for a free-rotating, aerodynamically actuated wingsail that is used as themain propulsion system. Based on numeri...

2014
Haiyan Wu Shuming Gao

Automatic and high quality hexahedral meshing of complex solid models is still a challenging task. To guarantee the quality of the generated mesh, current commercial software normally requires users to manually decompose a complex solid model into a set of simple geometry like swept volume whose high quality hexahedral mesh can be easily generated. The manual decomposition is a time-consuming p...

Journal: :Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 2019

Journal: :Physics of Fluids 2023

The effect of an isentropic compression wave fan on shock wave/turbulent boundary layer interaction induced by a curved fin is studied the nanoparticle-based planar laser scattering method, oil flow and numerical method. consists two parts: A surface generating ensuring focuses into swept wave. flowfield compared with three-dimensional separation same deflection angle. results show that can com...

2016
Olga Garcia-Garcia Sara Jordan-Cumplido Olaia Subira-Gonzalez Pere Garcia-Bru Luis Arias Josep Maria Caminal

Background: The course of acute Vogt-Koyanagi-Harada is typically assessed qualitatively using indocyanine green angiography. Swept-source optical coherence tomography may provide a safer, non-invasive, more objective approach to follow up. In this study, we assess the clinical value of the automated measurement capabilities of swept-source tomography to measure choroidal thickness. Design: Pro...

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