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NACA-TR-664

Wind-Tunnel Investigation of an N.A.C.A. 23012 Airfoil with Various Arrangements of Slotted Flaps

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T17:22:03Z
date available2017-09-04T17:22:03Z
date copyright01/01/1939
date issued1939
identifier otherZUWUYDAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std/handle/yse/145256
description abstractAn investigation was made in the 7 by 10-foot wind tunnel and in the variable-density wind tunnel of the NACA 23012 airfoil with various slotted-flap arrangements. The purpose of the investigation in the 7 by 10-foot wind tunnel was to determine the airfoil section aerodynamic characteristics as affected by flap shape, slot shape, and flap location. The flap position for maximum lift; polars for arrangements favorable for take-off and climb; and complete lift, drag, and pitching-moment characteristics for selected optimum arrangements were determined. The best arrangements were tested in the variable-density tunnel at an effective Reynolds number of 8,000,000. In addition, data from both wind tunnels are included for plain, split, external-airfoil, and Fowler flaps for purposes of comparison.
languageEnglish
titleNACA-TR-664num
titleWind-Tunnel Investigation of an N.A.C.A. 23012 Airfoil with Various Arrangements of Slotted Flapsen
typestandard
page36
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;1939
contenttypefulltext
subject keywordsAERODYNAMIC
subject keywordsAIRFOIL
subject keywordsAIRFOILS
subject keywordsCHARACTERISTICS
subject keywordsCOEFFICIENTS
subject keywordsDRAG
subject keywordsFLAPS
subject keywordsLIFT
subject keywordsLOCATION
subject keywordsMOMENTS
subject keywordsPITCHING
subject keywordsPOSITION
subject keywordsPROFILES
subject keywordsSHAPES
subject keywordsSLOTS
subject keywordsSPLIT
subject keywordsTESTS
subject keywordsTORQUE
subject keywordsTUNNEL
subject keywordsWIND
subject keywordsWING


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