NASA-TN-D-30-1960 Flight Investigation of the Lift and Drag Characteristics of a Swept-Wing Multijet Transport-Type Airplane《掠翼 多孔喷头运输类型的飞机升力和阻力特性飞行研究》.pdf

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2、ded by IHSNot for ResaleNo reproduction or networking permitted without license from IHS1405O4.O3C D.O2.013 _JO_/J!kO0“.5 .6 .7 .8 .9MFigure 6.- Variation of drag coefficient with Mach number for variouslift coefficients._LProvided by IHSNot for ResaleNo reproduction or networking permitted without

3、license from IHS153_I1814L/D I0cL : o.3-r/llllllz.i6/I/(L/D)max adjusted tocruise conditions2 (L/D)max test conditions.5 .6 .7 .8 .9MFigure 7.- Variation of lift-drag ratio with Mach number forvarious lift coefficients.Provided by IHSNot for Resale-,-,-z60_-c_pp.-COO_._+%_D._JC_)0.1oC0dOdoc0O_l/0Jo

4、_.oo_.o0o_o11o0oft0%4_4 n0,-44_a,r-t11)o_to+-tooor-t!11!I1II Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS3J 17.22C_rqICL(a:o) .18.14.6 17 .8 .9M.12CL , deg .08Q/046 7 .8 .9MFigure 9.- Variation with Mach number of lift coefficient at zero angleof atta

5、ck and of the lift-curve slope.Provided by IHSNot for Resale-,-,-181.6!iII12_4 - TII0t- /V /i -! / 5f = 30 I05f = 0 .04 .08 .1 2/,_, i ._ L _ -6f =50 _ .C o.16 .20(a) Variation with lift coefficient.I4- -4.24 .28128a, deg4/04 .O8 .12/ 4/CO .160 .20 .24 .28(b) Variation with angle of attack.Figure i0

6、.- Low-speed drag characteristics for various flap deflectionswith landing gear down. M _ 0.3.IkOIIIIProvided by IHSNot for Resale-,-,-19O%!/!IooIIII_oiOJio.I0O_DOO_oJ o co _p _ o_OiO_JOOO0.,4ooSoHo %_gI.r.Ir-t00-el4-_Ir-II1).,-4Provided by IHSNot for Resale-,-,-2OM _ 0.3.IkOI Provided by IHSNot for

7、 ResaleNo reproduction or networking permitted without license from IHS21)_-tI1.6CL1.2.8.4/if5f = 50_f = 3o5f= 00-4 0 4 8 12_, degFigure 13.- Variation of lift coefficient with angle of attack forvarious flap deflections with gear down. M _ 0.3.16Provided by IHSNot for ResaleNo reproduction or netwo

8、rking permitted without license from IHS22t.-4- Uo_0It) 00 0 00Odf_Provided by IHSNot for Resale-,-,-23./.0Dx0Q0I)I/i i/0._o_00 _0_m 00_+_I!_ o_ -t,I0 0 0 0 00 0 0_ +_ oo o- _ ,-t0 _- 0ts%0jS,ovProvided by IHSNot for Resale-,-,-240O0 _0._ 4._0 00 0 H.,-t _ I_OJ ,-I G_I_/_/I/gOd00bo0o0o,10121._J4,rl_

9、 o0 ,.I.a-P l-io4._0 000_ 4:!.elIkOProvided by IHSNot for Resale-,-,-_J25!o e_88 _oo _/I I /Io1 /IH , / /./, / /i./_ -4-x/),I “q:D/GOgcJ00o_o0e-04-_e_000!123._1.Provided by IHSNot for Resale-,-,-26230 ,x 103210W, lb 190170150i00 120A/ated(L/D)max/k Take-offs40 160 180Vc , knots(a) 30 flap deflection

10、.210 x t03W, Ib190t70 -150t30I00/0Calculated( L/D )maxLandings120 140 160 180Vc, knots(b) 50 flap deflection.Figure 16.- Take-offs and landing speeds for various weights.C!kOI Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS27r-i!t_0_ 0o do iioQ00q0o.0otHoLQ-pt_tJ-o4._tl)I1)%,-t0“1%r-door)!,-ti1).rtNASA- Langley Field. Va. H-If9Provided by IHSNot for Resale-,-,-tt Provided by IHSNot for Resale -,-,-