Development of a superfluid shock tube facility

超流体激波管设施的开发

• 批准号: 06555290
• 负责人: MURAKAMI Masahide
• 金额: $ 9.02万
• 依托单位: University of Tsukuba
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (A)
• 财政年份: 1994
• 资助国家: 日本
• 起止时间: 1994 至 1996
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-06555290/
• 关键词: Superfluid helium; Shock tube; Shock wave; Thermal shock wave; Free surface; 第2音波; λ-転移; 蒸発; 入-転移

The objectives of this research are the development of the superfluid shock tube facility which is a multi-purpose general experimental facility for shock wave and thermo-fluid dynamic phenomena in superfluid helium. In addition, several relating experimental studies have been also conducted by using the facility.(1) The design and manufacturing of the facility and shock performance test have been completed. The test with superfluid helium in the low pressure section of the shock tube demonstrated that the shock performance is quite satisfactory for a wide variety of scientific and engineering experiments.(2) Study of second sound thermal shock waves by visualization method of laser holography interferometer and by using superconductive temperature sensors : The propagation and the pulse form deformation due to the breakdown of superfluidity are investigated to yield valuable information on the development of high density quantized vortex on a heater and behind a thermal shock and high … More ly transient heat transfer in He II.(3) Study of evaporation phenomena induced by the direct incidence of a thermal pulse on a free surface of He II both experimentally and by numerical computation : A propagating evaporated vapor wave is clearly visualized in the form of an interferogram. The reflection law of a second sound thermal shock wave from a free surface is experimentally obtained and affirmatively compared with Khalatnikov's theory. An attempt to modify the conventional laser holography interferometer to a two-beam laser holography interferometer was made for a higher resolution of interferograms.(4) Numerical simulation of superfluid thermo-fluid dynamic phenomena on the basis of the two-fluid equation system supplemented with the equation of vortex line density development proposed by Vinen : The initial value of the vortex line density and the source term of the VInen equation are investigated by comparing the result with experimental ones. A scheme for two-dimensional analysis is successfully developed and applied to a problem of a thermal shock wave reflection on a two-dimensional wedge.(5) The validity of the facility is discussed to conclude that the facility can be used for the various experiments anticipated. Some modification are also suggested for the higher performance and easy operation. Less

这项研究的目标是超流体冲击管设施的开发，这是超级流体氦气中电击波和热流体动态现象的多功能通用实验设施。此外，还使用该设施进行了一些相关的实验研究。（1）设施的设计和制造和冲击性能测试已经完成。电击管低压段中具有超氟氦的测试表明，对于各种科学和工程实验的多种科学和工程实验，冲击性能是非常令人满意的。（2）通过可视化方法研究第二种声音热冲击波的研究，通过激光全息干涉仪的可视化方法和使用超导向温度传播的传播和脉搏的发展效果，超过脉搏的发展效果超出了超高的功能，以实现超高的脉冲范围。密度在加热器上和热休克的后面量化涡流，在HE II中的瞬态传热量更高。从实验中获得了第二个声音热冲击波的反射定律，并与Khalatnikov的理论相比有效地获得并有效地进行了比较。试图将常规激光全息干涉仪修改为两光束激光全息干涉仪，以更高的分辨率解决干扰图。（4）对超级流体热流动性动态现象的数值模拟，基于两条纯正方程的基础，该线程依次依靠的两条线程依次的vINTISE vINTISE vINTISE vINTISE vINTISE vINTISE vINTISE：通过将结果与实验性的结果进行比较，研究了Vinen方程的源项。成功开发了二维分析的方案，并应用于二维楔形上的热冲击波反射的问题。（5）讨论了该设施的有效性，以包括该设施可用于预期的各种实验。还建议进行一些修改，以提高性能和易于操作。较少的

项目成果

M.Murakami, T.Iida and T.Shimazaki: "A study of thermal shock wave propagation in superfluid helium." Shock Waves, (Springer-Verlag). 63-68 (1995)

M.Murakami、T.Iida 和 T.Shimazaki：“超流氦中热冲击波传播的研究”。

永井大樹: "超流動衝撃波管に関する動作特性" 平成7年衝撃波シンポジウム 講演論文集. (発表予定). (1996)

Daiki Nagai：“超流体激波管的运行特性”1995 年冲击波研讨会论文集（计划演讲）（1996 年）。

古川徹: "位相変調レーザーホログラフィー干渉計の極低温流体現象への応用" 平成7年衝撃波シンポジウム 講演論文集. (発表予定). (1996)

Toru Furukawa：“相位调制激光全息干涉仪在低温流体现象中的应用”1995 年冲击波研讨会论文集（待发表）。

T.Shimazaki, M.Murakami and T.Iida: "Temperature measurement in transient heat transport phenomena through a thermal boundary layr with high vortex density in He II." Adv.Cryo.Engineering. 41A. 265-271 (1996)

T.Shimazaki、M.Murakami 和 T.Iida：“通过 He II 中高涡密度热边界层进行瞬态热传输现象的温度测量。”

飯田光人: "Visualization study on the therno-hydrodynamic phenomena induced by pulsative heating in He II by the use of a laser holographic interferometer" Cryogenics. 36-11. 943-949 (1996)

Mitsuto Iida：“使用激光全息干涉仪对 He II 中脉动加热引起的热流体动力学现象进行可视化研究”Cryogenics 36-11 (1996)。