New application of low aspect ratio grids(3:1)in pediatric radiography.
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چکیده
منابع مشابه
Flutter Analysis of a Low Aspect Ratio Swept- Back Trapezoidal Wing at Low Subsonic Flow
A linear, aeroelastic analysis of a low aspect ratio swept back trapezoidal wing modeled as a cantilever plate is presented. An analytical and numerical formulation for both the aerodynamic forcing and structural response of the wing was developed. The analytical model uses a three dimensional time domain vortex lattice aerodynamic method. A Rayleigh-Ritz approach has been used to transfer equa...
متن کاملRoll Stall for Low-Aspect-Ratio Wings
The longitudinal aerodynamics of micro aerial vehicles, although not fully understood, have been the subject of several studies in recent years; however, littleworkhasbeendone to investigate the lateral loading. In this experiment, flat-plate wings with rectangular planforms of aspect ratios AR 0.75, 1, 1.5, and 3 and tapered planforms of λ 0.75, 0.5, and 0.25 were placed in the wind tunnel at ...
متن کاملAn Experimental Investigation of the Flowfield over a Low Aspect Ratio Wing
A wind tunnel investigation was performed to study the flow field over a 70° swept sharped edge delta wing model at high angles of attack. The experiments were conducted in the subsonic wind tunnel at the Department of Mechanical Engineering, Sharif University of Technology. Velocity profiles have been measured using a special pitot tube and hot wire anemometer at angles of attacks of 10 to 35 ...
متن کاملAn Experimental Investigation of the Flowfield over a Low Aspect Ratio Wing
A wind tunnel investigation was performed to study the flow field over a 70° swept sharped edge delta wing model at high angles of attack. The experiments were conducted in the subsonic wind tunnel at the Department of Mechanical Engineering, Sharif University of Technology. Velocity profiles have been measured using a special pitot tube and hot wire anemometer at angles of attacks of 10 to 35 ...
متن کاملPassive mitigation of roll stall for low aspect ratio wings
Passive mitigation of roll stall for low aspect ratio wings Matt Shields a & Kamran Mohseni b a Department of Mechanical & Aerospace Engineering, University of Florida, 32611-6250, Gainesville, FL, USA b Mechanical & Aerospace Engineering Department and Electrical & Computer Engineering Department, Institute for Networked Autonomous Systems, University of Florida, 32611-6250, Gainesville, USA V...
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ژورنال
عنوان ژورنال: Japanese Journal of Radiological Technology
سال: 1998
ISSN: 0369-4305,1881-4883
DOI: 10.6009/jjrt.kj00001351772