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Liquid metal actuated ejector vacuum system

Applied Physics Letters, ISSN: 0003-6951, Vol: 106, Issue: 3
2015
  • 10
    Citations
  • 0
    Usage
  • 15
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    10
    • Citation Indexes
      10
  • Captures
    15

Article Description

An ejector vacuum system using nontoxic room-temperature liquid metal as actuating fluid was fabricated and experimentally demonstrated. With physical merits of high density, fluidity, and ultralow vapor pressure, the liquid metal could serve as a high momentum density carrier fluid. The main performance parameters of the liquid metal actuated ejector were thus found to be significantly improved by orders superior as compared with that of water actuating system. Under oxidation protection, an ultimate vacuum pressure of 170 Pa was achieved and capacity of evacuating a 500 ml nitrogen reservoir from atmospheric pressure to 480 Pa within 96 s was obtained.

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