Liquid-film contact lines driven over a surface (substrate) by gravity, centrifugal force, Marangoni force, or wind, exhibit a wealth of instabilities that control many coating and cleaning processes. Starting from a sheet with an approximately straight contact line advancing over the substrate, these instabilities lead to fingering of the sheet to form rivulets, meandering and oscillation of t...

Gamma-ray bursts with long durations are widely thought to arise from the collapse of massive stars, where the wind environment is unavoidable. It is also believed that γ-ray bursts come from jets. Considering these two points in this paper, we calculate the evolution of a highly collimated jet that expands in a stellar wind environment and the expected afterglow from such a jet. We use a set o...

This paper presents a method for evaluation of investments in small-scale wind power under uncertainty. It is assumed that the price of electricity is uncertain and that an owner of a property with wind resources has a deferrable opportunity to invest in one wind power turbine within a capacity range. The model evaluates investment in a set of projects with different capacity. It is assumed tha...

A winter phenomenon of ice break-up takes place in Lincoln Sea every year. A previous study based on ERS-1 SAR data has been resumed based on Radarsat data that is briefly reported here. The study of two winters, 1996-1997 and 1997-1998, is supported by wind data. It is found that the ice motion in the area often is driven by wind but also that it is seriously influenced by blocking at the entr...

Aims. To reconstruct the spectral shape of the quasar ionizing radiation in the extreme-UV range (1 Ryd ≤ E < 10 Ryd) from the analysis of narrow absorption lines (NAL) of the associated systems. Methods. Computational technique for inverse spectroscopic problems – Monte Carlo Inversion augmented by procedure of the spectral shape recovering and modified to account for the incomplete coverage o...

[1] High‐resolution numerical simulations of the northern Gulf of Mexico region using the Hybrid Coordinate Ocean Model (HYCOM) were employed to investigate the dynamical processes controlling the fate of the Mississippi River plume, in particular the conditions that favor cross‐marginal transport. The study focuses on the effects of topography, wind‐driven and eddy‐driven circulation on the of...

Impulsive solar energetic electrons are often observed in the interplanetary space near the Earth and have an attractive diagnostic potential for poorly understood solar flare acceleration processes. We investigate the transport of solar flare energetic electrons in the heliospheric plasma to understand the role of transport to the observed onset and spectral properties of the impulsive solar e...

We calculate many different nova light curves for a variety of white dwarf masses and chemical compositions, with the assumption that free-free emission from optically thin ejecta dominates the continuum flux. We show that all these light curves are homologous and a universal law can be derived by introducing a “time scaling factor.” The template light curve for the universal law has a slope of...