Start Date
4-1971 8:00 AM
Description
This zero-g gaging survey excludes methods used with tanks small enough for positive expulsion. Gaging prototypes have been developed, but no satisfactory method was devised that could meet the Apollo/Saturn design deadline. Advanced space systems designs, such as the Space Shuttle, have generated a new interest in zero-g gaging. The operating principles of developed concepts are analyzed for application to cryogens and kerosenes and for accuracy comparison to conventional gaging. Actual need for zero-g gaging is also analyzed for design compromises to allow a realistic choice from concepts that have yet to be tested in a zero-g environment.
A Survey of Large Propellant Tank Quantity Gaging Methods in Zero-G
This zero-g gaging survey excludes methods used with tanks small enough for positive expulsion. Gaging prototypes have been developed, but no satisfactory method was devised that could meet the Apollo/Saturn design deadline. Advanced space systems designs, such as the Space Shuttle, have generated a new interest in zero-g gaging. The operating principles of developed concepts are analyzed for application to cryogens and kerosenes and for accuracy comparison to conventional gaging. Actual need for zero-g gaging is also analyzed for design compromises to allow a realistic choice from concepts that have yet to be tested in a zero-g environment.
Comments
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