Zobrazeno 1 - 10
of 89
pro vyhledávání: '"W. Fiszdon"'
Autor:
W. Fiszdon
Publikováno v:
Wiadomości Matematyczne. 20
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73176f7d8c28d22ed710e8492c69bafe
https://doi.org/10.14708/wm.v20i02.3552
https://doi.org/10.14708/wm.v20i02.3552
Publikováno v:
Physica B: Condensed Matter. 212:144-148
The strong influence of the boundary layer formed at the walls of a 5 cm long channel on the flow field in counterflow experiments is demonstrated by measuring the curvature of the temperature shock front at its closed end. It appears that the experi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::405df301d9e8482f622424c3c2a7fc9f
https://doi.org/10.1016/0921-4526(94)00302-c
https://doi.org/10.1016/0921-4526(94)00302-c
Autor:
W. Fiszdon, S. K. Nemirovskii
Publikováno v:
Reviews of Modern Physics. 67:37-84
Superfluid turbulence in He II flows appears as a stochastic tangle of quantized vortex lines. Interest in this system extends beyond the field of superfluid helium to include the study of statistical physics of extended objects and classical turbule
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc6b7e7c10538b869b1ba77b4dc05fd0
https://doi.org/10.1103/revmodphys.67.37
https://doi.org/10.1103/revmodphys.67.37
Publikováno v:
Physica B: Condensed Matter. 197:369-375
The use of cylindrical imploding pulses allows to produce locally larger temperature and vortex line densities and provides also information on the interplay between thermodynamic and geometric factors. Above a certain fairly low level of temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2614a75c564f95ade2a93bec3c8e9445
https://doi.org/10.1016/0921-4526(94)90234-8
https://doi.org/10.1016/0921-4526(94)90234-8
Publikováno v:
Physica B: Condensed Matter. 193:188-194
The existence of macroscopic vortex rings produced without any moving mechanical part, simply by releasing a heat pulse of appropriate intensity and duration at the closed end of a circular counterflow channel, will be proved. From consecutive pictur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c44faf88acf46bad7506927a8e776c9b
https://doi.org/10.1016/0921-4526(94)90011-6
https://doi.org/10.1016/0921-4526(94)90011-6
Publikováno v:
Physical Review B. 48:7338-7347
The problem of unsteady superfluid turbulence is considered. Vinen's phenomenological formulation of the vortex-line-density evolution equation encounters a number of difficulties. Some of them are intrinsic in the Feynman-Vinen approach, e.g., the q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c21d1dfe9446606646c822601582bd6b
https://doi.org/10.1103/physrevb.48.7338
https://doi.org/10.1103/physrevb.48.7338
Autor:
W. Möhring, W. Fiszdon
Publikováno v:
Journal of Sound and Vibration. 165:467-479
Exact solutions of the converging linearized axially and spherically symmetric wave equations are presented. The solutions were required for the analysis of the evolution of top-hat temperature pulses in superfluid helium where the initial boundary c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b094ba4ca4da0764d61fd72652fdd189
https://doi.org/10.1006/jsvi.1993.1271
https://doi.org/10.1006/jsvi.1993.1271
Investigation of the superfluid vorticity field produced behind an imploding second-sound shock wave
Autor:
G. Stamm, W. Fiszdon
Publikováno v:
Physica B: Condensed Matter. 179:191-196
The propagation of converging socond-sound shock waves has been investigated in a counterflow channel of appropriate geometry. With a newly developed method it was possible to measure both the spatial and temporal evolution of the temperature and als
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4eb5c4055036aeaa278243a74d6358b8
https://doi.org/10.1016/0921-4526(92)90015-k
https://doi.org/10.1016/0921-4526(92)90015-k
Publikováno v:
Journal of Low Temperature Physics. 86:423-431
Recent experiments have yielded the interesting result that superfluid turbulence is suppressed at the entrance of a flow channel. This effect cannot be explained by a direct application of the vortex tangle theory alone. The authors analyze a simple
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e9dfad147288d58db86f2d25bf6ef46
https://doi.org/10.1007/bf00121507
https://doi.org/10.1007/bf00121507