Vented Tank Resupply Experiment: Flight Test Results | Zendy

David J. Chato | Zendy; Timothy A. Martin | Zendy

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Vented Tank Resupply Experiment: Flight Test Results

Author(s) -

David J. Chato,

Timothy A. Martin

Publication year - 2006

Publication title -

journal of spacecraft and rockets

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.758

H-Index - 79

eISSN - 1533-6794

pISSN - 0022-4650

DOI - 10.2514/1.18145

Subject(s) - spacecraft , aerospace engineering , missile , spacecraft design , space (punctuation) , space shuttle , systems engineering , aeronautics , space vehicle , flight test , engineering , space suit , computer science , mechanical engineering , operating system

This paper reports the results of the Vented Tank Resupply Experiment (VTRE) which was flown as a payload on STS 77. VTRE looks at the ability of vane propellant management devices (PMD) to separate liquid and gas in low gravity. VTRE used two clear 0.8 cubic foot tanks one spherical and one with a short barrel section and transferred Refrigerant 113 between them as well as venting it to space. Tests included retention of liquid during transfer, liquid free venting, and recovery of liquid into the PMD after thruster firing. Liquid was retained successfully at the highest flow rate tested (2.73 gpm). Liquid free vents were achieved for both tanks, although at a higher flow rate (0.1591 cfm) for the spherical tank than the other (0.0400 cfm). Recovery from a thruster firing which moved the liquid to the opposite end of the tank from the PMD was achieved in 30 seconds.

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