한국초전도ㆍ저온공학회논문지 (Progress in Superconductivity and Cryogenics)

  • 제3권2호
  • /
  • Pages.69-76
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  • 2001
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  • 1229-3008(pISSN)
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  • 2287-6251(eISSN)
한국초전도저온학회 (The Korean Society of Superconductivity and Cryogenics)
권호 표지

맥동관 내부의 2차 속도와 온도의 비정상성분

Unsteady Components of Second-order Velocity and Temperature in a Pulse Tube

  • 발행 : 2001.11.01
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초록

Unsteady components of the second-order axial velocity and temperature within a tapered pulse tube were obtained by using a novel hybrid method of solution which combines an analytical solution with a numerical solution. The effects of operating frequency, taper angle and cold eng temperature on the unsteady components of the second-order axial velocity and temperature were shown. The unsteady component of the second-order mass flux had the amplitude of the same order as the steady component when the velocities at the ends of the pulse tube have only first-order components.

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참고문헌

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