NDLI: Cavitation in liquid cryogens. 2: hydrofoil

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Cavitation in liquid cryogens. 2: hydrofoil

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hord, J.
Copyright Year	1973
Description	Boundary layer principles, along with two-phase concepts, are used to improve existing correlative theory for developed cavity data. Details concerning cavity instrumentation, data analysis, correlative techniques, and experimental and theoretical aspects of a cavitating hydrofoil are given. Both desinent and thermodynamic data, using liquid hydrogen and liquid nitrogen, are reported. The thermodynamic data indicated that stable thermodynamic equilibrium exists throughout the vaporous cryogen cavities. The improved correlative formulas were used to evaluate these data. A new correlating parameter based on consideration of mass limiting two-phase flow flux across the cavity interface, is proposed. This correlating parameter appears attractive for future correlative and predictive applications. Agreement between theory and experiment is discussed, and directions for future analysis are suggested. The front half of the cavities, developed on the hydrofoil, may be considered as parabolically shaped.
File Size	9661099
Page Count	163
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19730007528
Archival Resource Key	ark:/13960/t2p60bf2j
Language	English
Publisher Date	1973-01-01
Access Restriction	Open
Subject Keyword	Fluid Mechanics Hydrofoils Thermodynamics Nucleation Two Phase Flow Pumps Liquid Nitrogen Cryogenics Cryogenic Fluids Cavitation Flow Liquid Hydrogen Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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