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  • investigation of a flat-plate oscillating heat pipe with tesla-type check valves

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1044
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
      tesla-type check valves were integrated into a flat-plate oscillating heat pipe (fp-ohp) in order to promote and sustain a desired circulatory flow to increase overall thermal performance. using neutronradiography, gray-scale images capturing the internal flow behavior within two bottom-heated copper fp-ohps – one with tesla-type valves (tv fp-ohp) and one without – both charged with water at a filling ratio of 70% – were collected. with the tesla-type valves installed in the adiabatic section of the tv fpohp, it was found that circulation in the desired direction was promoted and that this promotion increased with heat input. the tv fp-ohp consistently possessed a lower thermal resistance than its counterpart without check valves. the percent-reduction in thermal resistance was on-the-order of 15–25% depending on the power input. implementation of tesla-type check valves is a promising means for circulatory flow rectification within an ohp, but future research is needed to further optimize valve design, quantity, and alignment.

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