نتایج جستجو برای: supersonic wind
تعداد نتایج: 88877 فیلتر نتایج به سال:
We have developed a new two-dimensional hydrostatically-balanced isobaric hydrodynamic model for use in simulation of exoplanetary atmospheres. We apply this model to the infrared photosphere of the hot Jupiter HD 189733 b, for which an excellent 8-μm light curve has been obtained. For reasonable parameter choices, the results of our model are consistent with these observations. In our simulati...
Heliospheric (HSP) radio emission detected by the Voyager spacecraft between 1.8 kHz and 3.6 kHz from the distant heliosphere is interpreted as emission generated close to and at the heliopause (HP), the interface between the ionised very local interstellar (LIC) gas and the supersonic solar wind (SW) stream. Radio emission is assumed to be triggered by secondary charge exchange ionisation of i...
The FRAGHAZ computer program has been developed to predict the hazardous regions due to fragments produced by an accidential explosion of stored ammunition. Determination of these hazardous regions is based on computer simulations of fragment trajectories. Currently, the fragment drag coefficients used in the program are extrapolations of subsonic drag coefficients out to transonic and superson...
Interaction between a central outflow and a surrounding wind is common in astrophysical sources powered by accretion. Understanding how the interaction might help to collimate the inner central outflow is of interest for assessing astrophysical jet formation paradigms. In this context, we studied the interaction between two nested supersonic plasma flows generated by focusing a long-pulse high-...
Concerning the feasibility of a future supersonic fleet, current market forecasts see a 60% chance of any launch of a supersonic business jet program in the next 8 years, and an 85% chance by 2020. Furthermore, different European projects like HISAC (www.hisacproject.com) or LAPCAT (www.esa.int/techresources/lapcat) deal with the development of supersonic aircraft. Airbus spent a lot of effort ...
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