NDLI: Low gravity venting of refrigerant 11

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Low gravity venting of refrigerant 11

Content Provider	NASA Technical Reports Server (NTRS)
Author	Aydelott, J. C. Lacovic, R. F. Labus, T. L.
Copyright Year	1972
Description	An experimental investigation was conducted in a five-second zero gravity facility to examine the effects of venting initially saturated Refrigerant 11 from a cylindrical container (15-cm diameter) under reduced gravitational conditions. The system Bond numbers studied were 0 (weightlessness), 9 and 63; the liquid exhibited a nearly zero-degree contact angle on the container surface. During the venting process, both liquid-vapor interface and liquid bulk vaporization occurred. The temperature of the liquid in the immediate vicinity of the liquid-vapor interface was found to decrease during venting, while the liquid bulk temperature remained constant. Qualitative observations of the effects of system acceleration, vent rate, and vapor volume presented. Quantitative information concerning the ullage pressure decay during low gravity venting is also included.
File Size	3602683
Page Count	30
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19720010301
Archival Resource Key	ark:/13960/t1vf1kx0t
Language	English
Publisher Date	1972-02-01
Access Restriction	Open
Subject Keyword	Thermodynamics And Combustion Venting Thermodynamics Ullage Microgravity Refrigerants 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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