Two surface tension experimental hardware units and two dielectrophoretic experimental hardware units will be delivered to AFRPL for orbital flight tests. This 18-month program is broken into two phases. The first phase, lasting 6 months provides experiment definition, analysis, pre-design and test plans. Final design, fabrication, test, and delivery of flight hardware is accomplished in Phase 2. The program is half-way through Phase 1. The following major items were achieved during this first quarter: (1) Surface Tension Experiment. A surface tension liquid containment cone was selected for the experiment. A venting device for storable propellants was also included upon request by AFRPL. This request was made following the end of the quarter; consequently, there was not enough time to modify the analyses and design work shown in this report. A tentative flight test plan was prepared and a layout drawing of the experiment was nearly completed. A plumbing and electrical schematic was finished and tentative data acquisition requirements were defined. (2) Dielectrophoretic Experiment. An electrode configuration was selected; a tentative flight test plan was outlined; the design of the 2-ft-diameter transparent LN2 tank was completed; a dimensional drawing of the overall experiment was finished; a TV camera, mirror and lighting arrangement was selected; a plumbing and electrical schematic was furnished; and a preliminary thermal analysis was completed. (Author)


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