Project Title: HOUSEFLIES - Atmosphere and Clouds Seen by a Cluster of Flying Wireless Sensors HOUSEFLIES is an innovative multi-point observation method based on clusters of newly developed mini radiosondes, partly biodegradable and capable of endoscopically measuring the fluctuations of physical-chemical quantities present inside and outside...
Dynamics of Laminar Thin Shear FlowsAn approximated Navier–Stokes steady solution has been presented for the two dimensional bluff-body wake region that is intermediate between the near wake, which includes the two symmetric counter-rotating eddies, and the ultimate far wake, see Fig. 1. This approximate solution is...
Solar-wind turbulenceThe NASA Voyager Interstellar Mission explores the outer heliosphere and its interaction with the local interstellar medium (LISM). Beyond any expectation, the Voyager 1 and 2 (V1, V2) spacecrafts will send data until 2025 and they are providing the first and unique in situ...
Angular momentum model.The equation for the intrinsic moment of momentum averaged over small volumes of linear dimension δ have been considered and a representation of it is given as an infinite sequence of independent equations using a series expansion in terms of δ^2. The equations...
Longterm dynamics of rarefied jets - Visualization of density and concentration distributions inside and outside the barrel shock in underexpanded hypersonic jets. We show that the jet growth clearly depends on the sign of the density gradient between the gas in the jet and that in...
Hydrodynamic Stability of Shear Flows The hydrodynamic stability of fluid flows is an important subject in different fields, such as aerodynamics, mechanics, astrophysics, oceanography, atmospheric sciences, and biology. Stability can be defined as the ability of a dynamical system to be immune to small disturbances. In...
Project Title : Turbulence as Indicator of Physical Processes at the Heliospheric InterfaceProject number: NNH18ZDA001N-HGIOScience objectives and expected impact of the proposed work The objectives of this proposal are to perform a detailed analysis of Voyager data and(1) Create an extensive data base of turbulent properties...
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