NASA NACA-RM-A7F06-1947 An investigation at low speed of a large-scale triangular wing of aspect ratio two - I characteristics of a wing having a double-wedge airfoil section with .pdf

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1、RESEARCH MEMORANDUM“ AN INVESTIGATION AT LOW SPEED OF A LARGE-SCALE TRIANGULAR WING OF ASPECT RATIO TWO.- I. CEARACTERISTTCS OF A WING HAVING A DOUBLE-WEDGE AIRFOIL SECTION WlTK a 3 u “UM THICKNESS AT 20-PERCENT CHORD By Adrien E. Anderson Ames Aeronautical Laboratory Moffett Field, Calif. Provided

2、by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-n 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TECH LIBRAR

3、Y KAFB, NM I SWVfARY I I i t I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2 InCrQduction Winge. of triangular plan OOLTU have bgccwe of ,interest recently, particularly la the seamh for wige au3tablo for highrspood flight. Until now, however, gr

4、acticetlly all avaibble aerodynaslc informaticn on wings of triangular plan form ha8 beep coflinsd to studios of small-scale rn0deL.s. Xn order to obtain data for a lares-scale wing of triangular glen form;havhg an mpct ratio and maximm thtckneas euitable for eupersonic flLght, an invbetlgeztiop has

5、 been conducted in the he 4 of 0 and 0.6 waa 4.12 kg?.-and from -0.15 to 4.02 over the C-L range for f1aps“dsflected 59.00. The eevgyity of the breaker incrBaeod WiM . increas1ngl.y positlve flap deflectfone etnd reducod with increasingly negative defjectiolls. . -. .“ I Provided by IHSNot for Resal

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7、 permitted without license from IHS-,-,-a E311CA Rbf No. AVO; 11 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-he8 Aerontiuticd hboratory, I NahioneJ- Advieory Committee for Aer-onantica, Moffett Field, Calif. REEEEElTC3S I 1 Tani, Itiro, and San

8、uki, Matao: The Wall Interference of a W4g Tunnsl of ELllptic Cross Section. MACA TM No. 1075, 1944. ., at Speeds %low and A3ove the. Speed of Sound, K4CA TN. No, 1032, 194%: . - .- - “ - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i I E I.- E

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10、. I I COUYlTTEE FOR AERONAUTICS IUTIONIL IDWSORY i I I I I I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-fig. 2 & I COMMITTEE FOR AERONAUTIC8 NATIONAL ADVISORY I - I I I I Provided by IHSNot for ResaleNo reproduction or networking permitted witho

11、ut license from IHS-,-,-. NACA RM NO. A-7FU6 Fig. 2 b 7 I I ! ! I I I i I I I I I I I I I i t I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 1 * I . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-

12、,-NACA RM NO. A-7F06 . Fig. 3b I ! I ! I I I I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NACARM NO. A-7F06 Fig. 3c ! ! I ! I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NACA RM NO. A-7F06 Fi

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14、mitted without license from IHS-,-,-a a I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . . 1 I I E Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Fig. 6 c NACA RM NO. A-7F06 ! I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-