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NACA-RM-L53F09
Wind-tunnel investigation of the effects of geometric dihedral on the aerodynamic characteristics in pitch and sideslip of an unswept- and a 45 degrees sweptback-wing-fuselage combination at high subsonic speeds
Year: 1953
Abstract: A systematic research program is being conducted in the Langley high-speed 7- by 10-foot tunnel to determine the aerodynamic characteristics in pitch and sideslip of a series of wing plan forms at high subsonic speeds. (For examples, see refs. 1 and. 2. ) The configurations investigated are wing-fuselage combinations with the wing mounted in the midwing position at zero dihedral. Some data on the effects of geometric dihedral on the low-speed characteristics of a 45º swept wing are given in reference 3 and some theoretical predictions of the effects of dihedral are given in reference 4.
This paper presents some data, at Mach numbers up to 0.95, on the effects of geometric dihedral on the aerodynamic characteristics in pitch and sideslip of an unswept and a 45º sweptback wing . The tests covered dihedral angles from -10 to 10º and angles of attack up to 24º. In order to expedite publication, only a very brief analysis of the results is presented.
This paper presents some data, at Mach numbers up to 0.95, on the effects of geometric dihedral on the aerodynamic characteristics in pitch and sideslip of an unswept and a 45º sweptback wing . The tests covered dihedral angles from -10 to 10º and angles of attack up to 24º. In order to expedite publication, only a very brief analysis of the results is presented.
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| contributor author | NASA - National Aeronautics and Space Administration (NASA) | |
| date accessioned | 2017-09-04T17:28:04Z | |
| date available | 2017-09-04T17:28:04Z | |
| date copyright | 01/01/1953 | |
| date issued | 1953 | |
| identifier other | COSWXDAAAAAAAAAA.pdf | |
| identifier uri | http://yse.yabesh.ir/std/handle/yse/151254 | |
| description abstract | A systematic research program is being conducted in the Langley high-speed 7- by 10-foot tunnel to determine the aerodynamic characteristics in pitch and sideslip of a series of wing plan forms at high subsonic speeds. (For examples, see refs. 1 and. 2. ) The configurations investigated are wing-fuselage combinations with the wing mounted in the midwing position at zero dihedral. Some data on the effects of geometric dihedral on the low-speed characteristics of a 45º swept wing are given in reference 3 and some theoretical predictions of the effects of dihedral are given in reference 4. This paper presents some data, at Mach numbers up to 0.95, on the effects of geometric dihedral on the aerodynamic characteristics in pitch and sideslip of an unswept and a 45º sweptback wing . The tests covered dihedral angles from -10 to 10º and angles of attack up to 24º. In order to expedite publication, only a very brief analysis of the results is presented. | |
| language | English | |
| title | NACA-RM-L53F09 | num |
| title | Wind-tunnel investigation of the effects of geometric dihedral on the aerodynamic characteristics in pitch and sideslip of an unswept- and a 45 degrees sweptback-wing-fuselage combination at high subsonic speeds | en |
| type | standard | |
| page | 43 | |
| status | Active | |
| tree | NASA - National Aeronautics and Space Administration (NASA):;1953 | |
| contenttype | fulltext |