NASA-TN-D-548-1960 Atmospheric Turbulence Measurements Obtained from Airplane Operations at Altitudes Between 20 000 and 75 000 Feet for Several Areas in the Northern Hemisphere《从北.pdf

1、Z,_ (.9oJ0D,0I04_Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-21.-d-!i0 -t- D Plain symbols, Western U.S.Flagged symbols, Southern U S.10.3 iI0 -4 - 110.5 - (c) TurkeyiO-S0 4 8 12Ref 4- (b) Western EuropeI IAltitude, ft0 20,000 to 40,000 40,000 to

2、 60,000z_ 60,000 to 75,000-I,_o,_oo 16 20 0 4 8 12 16 20Gust velocity, Ude, fpsFigure 5.- Variation of the frequency of exceeding given values of gustvelocity per mile of flight with altitude for four geographiclocations.Provided by IHSNot for ResaleNo reproduction or networking permitted without li

3、cense from IHS-,-,-228O7O0 Southern United States Western United Stat_sWestern EuropeL_ TurkeyV Japank.n“0-3.I4O2OI0dI I I I I I0 4 8 12 16 20 24Percent of rough airFigure 6.- Variation in percentage of rough sir with altitude for fivesamples.Provided by IHSNot for ResaleNo reproduction or networkin

4、g permitted without license from IHS-,-,-238O7OxlO 3_0-_ Combined dataReference 4LC_OJr-_605O0 I40-im3O2OI0/II II I I0 4 8 12 16 20Percent of rouqh airFigure 7.- Variation in percentage of rough air with altitude.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-24OOt_(D_D“_D CDc _ eCWC_ c r-_ g._0 - 0/_,ql!qoqoJd(,joID/)Ed0000r“r“_J0if)000A-4-.)I1),-t-r-t“dtl),“4q)4._4-)W4._4._.r-I.r-t0!_S%-r-tNASA - Langley Field, Va. L-12_4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-