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GRC MICROGRAVITY & TECHNOLOGY FLIGHT EXPERIMENTS


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Two-Phase Flow Separator Experiment (TPFSE)


Objective:

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  • Address the design and performance of passive two-phase flow separator technologies.
  • Determine range of flow rates for acceptable performance.
  • Quantify the effect of fluid properties and separator geometry.
  • Determine separator response and stability envelope to startup, shutdown and liquid slugging conditions.


    Relevance/Impact:

  • Gas-liquid separators are targeted for use in Active Thermal Control Systems (ATCS) and Advanced Life Support (ALS) applications
  • Prevent degraded performance or shortened life for components that accept a single phase input, i.e., centrifugal pumps and compressors.
  • Promote enhanced phase change by removing second phase and to promote contact with heat transfer surface.
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    Development Approach:

  • Design and build experiment package that can meter air and water into test articles.
  • Two different design concepts (one specified by each PI team) for cyclonic separators will be tested.
  • Technology customer co-I will specify minimal design performance parameters.  PI’s will have opportunity to expand that performance envelope.
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    Project Management:



    Contacts at NASA Glenn Research Center

    Project Manager: Nancy Rabel Hall, NASA GRC
    nancy.r.hall@nasa.gov
    216-433-5643

    Project Scientist: John McQuillen, NASA GRC
    john.b.mcquillen@nasa.gov
    216-433-2876

    Principal Investigator: Georges Chahine, DynaFlow, Inc.
    Principal Investigator: Yasuhiro Kamotani, Case Western Reserve University
    Co-Principal Investigator: Jaikrishnan Kadambi, Case Western Reserve University
    Co-Principal Investigator: Ryan Stephan, NASA JSC
    Engineering Team: ZIN Technologies, Inc.

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