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NACA-WR-L-377

Wind-tunnel investigation of control-surface characteristics I - effect of gap on the aerodynamic characteristics of an NACA 0009 airfoil with a 30-percent-chord plain flap

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T15:46:58Z
date available2017-09-04T15:46:58Z
date copyright01/01/1941
date issued1941
identifier otherPWUYYDAAAAAAAAAA.pdf
identifier urihttps://yse.yabesh.ir/std/handle/yse/49737
description abstractTests have bee; made to determine the effect of a gap at the flap nose upon the aerodynamic section characteristics of an NACA 0009 airfoil with a plain flap and tab. The results are presented in the form of airfoil and flap section characteristics for several flap deflections, tab deflections, and for four sizes of gap.
The results shoved that a plain flap with a sealed gap was best because it gave maximum effectiveness with minimum stick forces and because it was the most effective in delaying separation over the flap surface.
languageEnglish
titleNACA-WR-L-377num
titleWind-tunnel investigation of control-surface characteristics I - effect of gap on the aerodynamic characteristics of an NACA 0009 airfoil with a 30-percent-chord plain flapen
typestandard
page27
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;1941
contenttypefulltext
subject keywordsAIRFOILS
subject keywordsCHAR
subject keywordsCHARACTERISTICS
subject keywordsCONTROL
subject keywordsEFFECT
subject keywordsELEVATOR
subject keywordsFLAPS
subject keywordsGAP
subject keywordsGAPS
subject keywordsMOMENTS
subject keywordsNACA
subject keywordsSEALED
subject keywordsSURFACES
subject keywordsTABS
subject keywordsTAPS
subject keywordsTESTS
subject keywordsTUNNEL
subject keywordsWIND
subject keywordsWING


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