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NASA-TN-D-8151

Fundamentals of fluid sealing

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T17:37:00Z
date available2017-09-04T17:37:00Z
date copyright01/01/1976
date issued1976
identifier otherDMBBFEAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std/handle/yse/159924
description abstractThe fundamentals of fluid sealing, including seal operating regimes, are discussed and the general fluid-flow equations for fluid sealing are developed. Seal performance parameters such as leakage and power loss are presented. Included in the discussion are the effects of geometry, surface deformations, rotation, and both laminar and turbulent flows. The concept of pressure balancing is presented, as are differences between liquid and gas sealing. Mechanisms of seal surface separation, fundamental friction and wear concepts applicable to seals, seal materials, and pressure-velocity (PV) criteria are discussed.
languageEnglish
titleNASA-TN-D-8151num
titleFundamentals of fluid sealingen
typestandard
page170
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;1976
contenttypefulltext
subject keywordsBOUNDARY LAYERS
subject keywordsFLUIDS
subject keywordsFRICTION
subject keywordsLAMINAR FLOW
subject keywordsLEAKAGE
subject keywordsLUBRICATION
subject keywordsPERFORMANCE
subject keywordsSEALS (STOPPERS)
subject keywordsSURFACE DISTORTION
subject keywordsTURBULENT FLOW
subject keywordsWEAR


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