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NACA-RM-L56C21

Jet effects on base and afterbody pressures of a cylindrical afterbody at transonic speeds

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T16:03:51Z
date available2017-09-04T16:03:51Z
date copyright01/01/1956
date issued1956
identifier otherRRSWXDAAAAAAAAAA.pdf
identifier urihttps://yse.yabesh.ir/std/handle/yse/67173
description abstractAn investigation of the effects of jet nozzle geometry, size of base annulus, and base bleed upon the base and afterbody pressures of a cylindrical afterbody at transonic speeds has been conducted. Sonic and supersonic conical nozzles with jet-to-base diameter ratios from 0.25 to 0.85 were investigated with a cold jet at jet total-pressure ratios up to approximately 8.0 through a Mach number range from 0.6 to 1.25. Base pressure coefficients of about -0.55 were measured for the sonic nozzles at a Mach number of 1 or greater. The jet-to-base diameter ratio had a substantial effect on the base pressure obtained on the cylindrical afterbody of this investigation. Base bleed was beneficial in increasing the base pressure under certain conditions but had little or no effect at certain other conditions.
languageEnglish
titleNACA-RM-L56C21num
titleJet effects on base and afterbody pressures of a cylindrical afterbody at transonic speedsen
typestandard
page51
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;1956
contenttypefulltext
subject keywordsAERODYNAMIC
subject keywordsAFTERBODIES
subject keywordsAIRCRAFT
subject keywordsBASE
subject keywordsBLAST
subject keywordsBODIES
subject keywordsCHARACTERISTICS
subject keywordsCONVERGENT
subject keywordsCYLINDRICAL
subject keywordsEFFECTS
subject keywordsFLOW
subject keywordsGEOMETRY
subject keywordsJET
subject keywordsNOZZLE
subject keywordsNOZZLES
subject keywordsPRESSURE
subject keywordsSONIC
subject keywordsSPEED
subject keywordsSUPERSONIC
subject keywordsTRANSONIC


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