  We have recently proposed that supercritical colliding wind binaries (SCWBs)
are suitable scenarios for particle acceleration and nonthermal radiation. In
these X-ray binary systems (XRBs), the wind from the companion star collides
with the wind ejected from the super-Eddington accretion disk of the stellar
black hole. Strong shocks are generated in this collision, leading to the
acceleration of particles and subsequent broadband emission through different
nonthermal radiative processes. In particular, we estimate luminosities of the
order of $L\approx 10^{34}\,{\rm erg\,s^{-1}}$ in the radio band. One of the
major components in these processes is the power provided by the super wind
expelled from the disk. Furthermore, some properties of the wind photosphere,
such as its geometry or its temperature distribution, also contribute to the
absorption and reprocessing of the nonthermal radiation. In this work, we
perform a more detailed description of the powerful wind launched from the
accretion disk, in order to obtain a better understanding of the
above-mentioned processes.
