In the present work melting with thermal dispersion and radiation on non-Darcy, mixed convective heat transfer from an infinite vertical plate embedded in a saturated porous medium is studied. Both aiding and opposing flows are examined. Forchheimer extension for the flow equations in steady state is considered Similarity solution for the governing equations is obtained .The equations are numer...

We present the properties of accretion disk corona (ADC) models, where the radiation field, the temperature, and the total opacity of the corona are determined self-consistently. We use a non-linear Monte Carlo code to perform the calculations. As an example, we discuss models where the corona is situated above and below a cold accretion disk with a plane-parallel (slab) geometry, similar to th...

background: the segmentation of cancerous areas in breast images is important for the early detection of disease. thermal imaging has advantages, such as being non-invasive, non-radiation, passive, quick, painless, inexpensive, and non-contact. imaging technique is the focus of this research. methods: the proposed model in this paper is a combination of surf and corners that are very resistant....

Canonical polar cap cascade models involve curvature radiation (CR) or inverse Compton scattering (ICS) of the primary particles and synchrotron radiation (SR) of the higher generation pairs. Here we modify such a cascade picture to include the ICS of the higher generation pairs. In such a “full-cascade” scenario, not only the perpendicular portion of the energy of the pairs goes to high energy...

Context. The interaction of microquasar jets with their environment can produce non-thermal radiation as is the case for extragalactic outflows impacting on their surroundings. Observational evidences of jet/medium interactions in galactic microquasars have been collected in the past years, although few theoretical work has been done regarding the resulting non-thermal emission. Aims. In this w...

Models of relativistic jets filled with ultrarelativistic pair plasma have turned out to be very suitable to explain the broadband radiation of γ-ray blazars. Given the initial injection and cooling of ultrarelativistic pair plasma in an AGN jet has occurred, producing the observed high-energy γ-ray radiation, we investigate the further evolution of the pair plasma as it continues to move out f...

some areas of ramsar, a city in northern iran are among the world’s wellknown inhabited areas with highest levels of natural radiation. annual exposure levels in these areas are up to 260 mgy y‐1 and the mean exposure rate is about 10 mgy y‐1 for a population of about 2000 residents. if elevated levels of natural radiation as high as a few hundred msv per year is detrimental to health and leads...