id author title date pages extension mime words sentence flesch summary cache txt j098z89308t Bin Zhang Numerical Simulation of Turbulent Flow over Hemispherical Turrets with Application to Aero-Optics 2012 .txt text/plain 320 11 33 At small elevation angles it decreases with increasing azimuthal angle and the change is nonlinear; however, when the elevation angle is large, the aberration does not decrease much, and even increases with azimuthal angle at small azimuthal angles but keeps decreasing at large azimuthal angles. Besides, the effects of elevation angle and azimuthal angle on optical aberrations are studied in a systematic way. cache/j098z89308t.txt txt/j098z89308t.txt