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NACA-CR-3675

An aerodynamic analysis computer program and design notes for low speed wing flap systems

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T17:22:35Z
date available2017-09-04T17:22:35Z
date copyright01/01/1983
date issued1983
identifier otherZWMKAEAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std/handle/yse/145794
description abstractThe expanded capabilities for analysis and design of low speed flap systems afforded by recent modifications of an existing computer program is described. The program provides for the simultaneous analysis of up to 25 pairs of leading-edge and trailing-edge flap deflection schedules. Among other new features of the program are a revised attainable thrust estimation method to provide more accurate predictions for low Mach numbers, and a choice of three options for estimation of leading-edge separation vortex flow effects. Comparison of program results with low speed experimental data for an arrow wing supersonic cruise configuration with leading-edge and trailing-edge flaps showed good agreement over most of the range of flap deflections. Other force data comparisons and an independent study of airfoil and wing pressure distributions indicated that wind-tunnel measurements of the aerodynamic performance of twisted and cambered wings and wings with leading-edge flaps can be very sensitive to Reynolds number effects.
languageEnglish
titleNACA-CR-3675num
titleAn aerodynamic analysis computer program and design notes for low speed wing flap systemsen
typestandard
page75
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;1983
contenttypefulltext
subject keywordsAERODYNAMIC
subject keywordsAIRCRAFT
subject keywordsANALYSIS
subject keywordsARROW
subject keywordsCOEFFICIENTS
subject keywordsCOMPUTER
subject keywordsDESIGN
subject keywordsEDGE
subject keywordsFLAPS
subject keywordsFLOW
subject keywordsLEADING
subject keywordsLOW
subject keywordsMACH
subject keywordsNUMBER
subject keywordsPROGRAMS
subject keywordsREYNOLDS
subject keywordsSPEED
subject keywordsSUBSONIC
subject keywordsSUPERSONIC
subject keywordsTESTS
subject keywordsTRAILING
subject keywordsTUNNEL
subject keywordsVORTICES
subject keywordsWIND
subject keywordsWING
subject keywordsWINGS


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