| Budget Amount *help |
¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2010: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
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| Research Abstract |
Experiments of superfluid helium were conducted on the thermal counterflow jet using PIV method and the boiling phenomena *by visualization method and by using PIV method. In the former, the appearance of the effect of quantized vortices (superfluid breakdown) and the existence of states where the effect of quantized vortices is in proportion to the heat flux and the square of the heat flux respectively were confirmed, and the physical states have been understood. In boiling experiments, the onset conditions of film boiling, the appearance conditions of both noisy and silent film boiling states were quantitatively identified.
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