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NACA-TN-2323

Theoretical investigation of submerged inlets at low speeds

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T18:43:35Z
date available2017-09-04T18:43:35Z
date copyright01/01/1951
date issued1951
identifier otherKCHUYDAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std;jsery=auth=4703AF67081DAC4/handle/yse/224957
description abstractThe general characteristics of the flow field in a submerged air inlet are investigated by theoretical, wind-tunnel, and visual-flow studies.
Equations are developed for calculating the laminar and turbulent boundary-layer growth along the ramp floor for parallel, divergent, and convergent ramp walls, and a general equation is derived relating the boundary-layer pressure losses to the boundary-layer thickness. It is demonstrated that the growth of the boundary layer on the floor of the divergent-ramp inlet is retarded and that a vortex pair is generated in such an inlet. Functional relationships are established between the pressure losses in the vortices and the geometry of the inlet.
languageEnglish
titleNACA-TN-2323num
titleTheoretical investigation of submerged inlets at low speedsen
typestandard
page49
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;1951
contenttypefulltext
subject keywordsAERODYNAMIC
subject keywordsAIR
subject keywordsBODIES
subject keywordsBOUNDARY
subject keywordsCOMPRESSIBILITY
subject keywordsDISTRIBUTION
subject keywordsDRAG
subject keywordsFLOW
subject keywordsINTAKE
subject keywordsLAMINAR
subject keywordsLAYER
subject keywordsLOW
subject keywordsMASS
subject keywordsSPEED
subject keywordsSUBMERGED
subject keywordsSYSTEMS
subject keywordsTESTS
subject keywordsTUNNEL
subject keywordsTURBULENT
subject keywordsVISUALIZATION
subject keywordsVORTICES
subject keywordsWIND


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