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NACA-TN-1624

Two-dimensional wind-tunnel investigation of an NACA 64-009 airfoil equipped with two types of leading-edge flap

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T17:51:04Z
date available2017-09-04T17:51:04Z
date copyright01/01/1948
date issued1948
identifier otherEYQTYDAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std/handle/yse/174376
description abstractAn investigation was made to determine the effect of leading-edge flaps on the maximum lift coefficient of an NACA 64-009 airfoil and to compare the results with data obtained from previous tests of similarly shaped flaps on an NACA 641-012 airfoil (NACA TN No. 1277). The investigation included tests of two 10-percent-chord leading-edge flaps, one intended to slide forward along the upper surface and the other hinged at the center of the airfoil leading-edge radius and deflecting from the lower surface. The flaps were tested on the plain airfoil and on the airfoil with a trailing-edge split flap deflected 60º. Data are given to show the section lift characteristics for a range of flap deflection and the section pitching-moment and lift characteristics with leading-edge roughness for the optimum flap arrangements.
languageEnglish
titleNACA-TN-1624num
titleTwo-dimensional wind-tunnel investigation of an NACA 64-009 airfoil equipped with two types of leading-edge flapen
typestandard
page31
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;1948
contenttypefulltext
subject keywordsAIRFOILS
subject keywordsCARRIED
subject keywordsCHAR
subject keywordsCHARACTERISTICS
subject keywordsDRAG
subject keywordsEDGE
subject keywordsEFFECT
subject keywordsFLAPS
subject keywordsLEADING
subject keywordsLOW
subject keywordsMOMENTS
subject keywordsNACA
subject keywordsORDINATES
subject keywordsPRESSURE
subject keywordsROUGHNESS
subject keywordsSPLIT
subject keywordsSURFACE
subject keywordsTESTS
subject keywordsTUNNEL
subject keywordsTURBULENCE
subject keywordsWIND
subject keywordsWING
subject keywordsWORK


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