نتایج جستجو برای: breakup

تعداد نتایج: 4214  

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2012
Daniel Porter John R Savage Itai Cohen Patrick Spicer Marco Caggioni

Droplet breakup of many Newtonian fluids is well described by current experiments, theory, and simulations. Breakup in complex fluids where interactions between mesoscopic structural features can affect the flows remains poorly understood and a burgeoning area of research. Here, we report on our investigations of droplet breakup in thermotropic liquid crystals. We investigate breakup in the sme...

2008
Kazuyuki Ogata Carlos A. Bertulani

Relativistic effects in the breakup of weakly-bound nuclei at intermediate energies are studied by means of the continuum-discretized coupled-channels method with eikonal approximation. Nuclear coupling potentials with Lorentz contraction are newly included and those effects on breakup cross sections are investigated. We show that relativistic corrections lead to larger breakup cross sections. ...

2009
Tomoaki Egami Takuma Matsumoto Kazuyuki Ogata

We present a method of smoothing discrete breakup S-matrix elements calculated by the method of continuum-discretized coupled-channels (CDCC). This smoothing method makes it possible to apply CDCC to four-body breakup reactions. The reliability of the smoothing method is confirmed for two cases, Ni(d, pn) at 80 MeV and the E1 transition of He. We apply CDCC with the smoothing method to a He bre...

1998
H. Lenske

We calculate the cross sections of the elastic and inelastic breakup modes for the inclusive breakup reaction 28Si(8B,7Be) at beam energies between 10 40 MeV/nucleon within a direct fragmentation model formulated in the framework of the post form distorted-wave Born-approximation. In contrast to the case of the stable isotopes, the inelastic breakup mode is found to contribute only up to 30% to...

2002
L. - P.

-Drop properties during and after secondary breakup in the bag, multimode and shear breakup regimes were observed for shock-wave-initiated disturbances in air at normal temperature and pressure. Test liquids included water, n-heptane, ethyl alcohol and glycerol mixtures to yield Weber numbers of 15--600, Ohnesorge numbers of 0.0025-0.039, liquid/gas density ratios of 579-985 and Reynolds number...

1998
R. Shyam H. Lenske

We calculate the cross sections of the elastic and inelastic breakup modes for the inclusive breakup reaction 28 Si(8 B, 7 Be) at beam energies between 10-40 MeV/nucleon within a direct fragmentation model formulated in the framework of the post form distorted-wave Born-approximation. In contrast to the case of the stable isotopes, the inelastic breakup mode is found to contribute only up to 30...

Journal: :مکانیک سیالات و آیرودینامیک 0
سید حسین موسوی فتح¬اله امی

in this study a nonlinear asymmetric instability analysis carried out to study primary atomization of annular liquid sheets emanating from the prefilming airblast atomizer using a perturbation method and potential flow assumption. in this direction, firstly governing equations derived according to potential flow assumption and conservation equations while dynamic and static boundary condition a...

2010
S. Zou M. B. Moldwin L. R. Lyons Y. Nishimura M. Hirahara T. Sakanoi K. Asamura M. J. Nicolls Y. Miyashita S. B. Mende C. J. Heinselman

[1] We present state‐of‐the‐art multiple instrument observations of an isolated substorm on October 12, 2007. The auroral breakup was observed simultaneously by Reimei, THEMIS ASI, and PFISR. The footprint of Geotail was also near the breakup. These observations allow for detailed study of the breakup location in terms of large‐ and small‐scale auroral morphology, particle precipitation, and io...

2013
Tara C. Marshall Kathrine Bejanyan Nelli Ferenczi

The purpose of this research was to examine the associations of attachment anxiety and avoidance with personal growth following relationship dissolution, and to test breakup distress, rumination, and tendency to rebound with new partners as mediators of these associations. Study 1 (N = 411) and Study 2 (N = 465) measured attachment style, breakup distress, and personal growth; Study 2 additiona...

2009
M. G. Munhoz R. A. N. Oliveira M. G. Del Santo A. A. P. Suaide E. M. Szanto

A study of the kinematics of the α-d coincidences in the Li + Co system at a bombarding energy of Elab = 29.6 MeV is presented. With exclusive measurements performed over different angular intervals it is possible to identify the respective contributions of the sequential projectile breakup and direct projectile breakup components. A careful analysis using a semiclassical approach of these proc...

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