Portable self-contained instrument measures volume of free gas or air trapped in closed fluid systems, such as lubricating-oil lines or hydraulic brakes. In response to measurement readings, operator may use device to accurately add or withdraw fluid to or from system.
Compressibility measurement of fluid-system ullage
NASA Tech Briefs ; 2 , 3
1977-11-01
Miscellaneous
No indication
English
Mixing-induced ullage condensation and fluid destratification
Tema Archive | 1987
|Separation Dynamics of Ullage Rockets
Online Contents | 1994
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