Particle dynamics in helium II |
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| Authors: | D R Poole C F Barenghi Y A Sergeev W F Vinen |
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| Affiliation: | (1) School of Mathematics, University of Newcastle, NE1 7RU Newcastle upon Tyne, UK;(2) School of Mechanical and Systems Engineering, University of Newcastle, NE1 7RU Newcastle upon Tyne, UK;(3) School of Physics and Astronomy, University of Birmingham, B15 2TT Birmingham, UK |
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| Abstract: | No Heading The recent implementation of the Particle Image Velocimetry (PIV) method in liquid helium has opened the possibility of directly visualising turbulence in helium II. To interpret the data, however, it is necessary to understand the motion of small inertial particles in the presence of normal fluid and superfluid. We present the governing equations of motion and preliminary numerical results of particle trajectory in the initial growth of a turbulent tangle.PACS numbers: 67.40.Vs; 47.27.–i. |
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