Inhomogeneous whistler turbulence in low beta space plasmasA nonlinear two dimensional fluid model of whistler turbulence is developed that nonlinearly couples wave magnetic field with electron density perturbations. This coupling leads essentially to finite…Dastgeer Shaikh·Mar 3, 2010SaveLearn
Scaling Laws of Turbulence and Heating of Fast SolarWind: The Role of Density FluctuationsIncompressible and isotropic magnetohydrodynamic turbulence in plasms can be described by an exact relation for the energy flux through the scales. This Yaglom-like scaling law has been recently…V. Carbone, R. Marino, L. Sorriso-Valvo et al.·Mar 2, 2010SaveLearn
Adaptive Approach for Situational Analysis of Space ExperimentsThe solving of scientific and practical application connected with conducting of satellite experiments and measurement demand analysis of geometric and physic conditions according to different kind…Atanas Marinov Atanassov·Feb 25, 2010SaveLearn
An Adaptive Parallel Integrator of Ordinary Differential Equations System for Space Experiment SimulationDifferent possible sources are discussed for enhancement of the calculation time when solving ordinary differential equations systems to forecast space objects' motion. This paper presents an…Atanas Marinov Atanassov·Feb 16, 2010SaveLearn
The interval description of dynamics of celestial bodies in the planetary problemThe interval approach to computation of dynamics of celestial bodies in the planetary problem has been considered. It is based on the refusal from idealization of infinitely high resolving capacity…Valeriy V. Petrov·Feb 16, 2010SaveLearn
Determination of SATI Instrument Filter Parameters by Processing Interference ImagesThis paper presents a method for determination of interference filter parameters such as the effective refraction index and the maximal transmittance wavelength on the basis of image processing of a…Atanas Marinov Atanassov·Feb 15, 2010SaveLearn
Integration of the Equation of the artificial Earth's Satellites Motion with Selection of Runge-Kutta-Fehlberg Schemes of Optimum Precision OrderAn approach is treated for numerical integration of ordinary differential equations systems of the first order with choice of a computation scheme, ensuring the required local precision. The…Atanas Marinov Atanassov·Feb 15, 2010SaveLearn
Anisotropy of Solar Wind Turbulence between Ion and Electron ScalesThe anisotropy of turbulence in the fast solar wind, between the ion and electron gyroscales, is directly observed using a multispacecraft analysis technique. Second order structure functions are…C. H. K. Chen, T. S. Horbury, A. A. Schekochihin et al.·Feb 12, 2010SaveLearn
The Variation of Solar Wind Correlation Lengths Over Three Solar CyclesWe present the results of a study of solar wind velocity and magnetic field correlation lengths over the last 35 years. The correlation length of the magnetic field magnitude lambda(|B|) increases on…R. T. Wicks, M. J. Owens, T. S. Horbury·Feb 11, 2010SaveLearn
Analytical Method for Verification of a Satellite Pass over a Region of the Earth SurfaceAn analytical method is proposed in this work for verification whether an artificial earth satellite during its orbital motion passes over a region of the earth surface. The method is based on…Atanas Marinov Atanassov·Feb 11, 2010SaveLearn
Improved orbit predictions using two-line elementsThe density of orbital space debris constitutes an increasing environmental challenge. There are three ways to alleviate the problem: debris mitigation, debris removal and collision avoidance. This…Creon Levit, William Marshall·Feb 11, 2010SaveLearn
Power and spectral index anisotropy of the entire inertial range of turbulence in the fast solar windWe measure the power and spectral index anisotropy of high speed solar wind turbulence from scales larger than the outer scale down to the ion gyroscale, thus covering the entire inertial range. We…R. T. Wicks, T. S. Horbury, C. H. K. Chen et al.·Feb 10, 2010SaveLearn
An Analytical Method for Calculating the Satellite Bow Shock/Magnetopause Interception Positions and TimesThis paper contains a presentation of analytical solution of the problem of calculating the places and moments of intersection of satellite trajectories with elements of the Earth's magnetosphere…Atanas Marinov Atanassov·Feb 9, 2010SaveLearn
Reformation of an oblique shock observed by ClusterOn 16 March 2005, the Cluster spacecraft crossed a shock almost at the transition between the quasi-perpendicular and quasi-parallel regimes (θBn=46) preceded by an upstream…B. Lefebvre, Y. Seki, S. J. Schwartz et al.·Jan 28, 2010SaveLearn
Solar wind turbulent spectrum from MHD to electron scalesTurbulent spectra of magnetic fluctuations in the free solar wind are studied from MHD to electron scales using Cluster observations. We discuss the problem of the instrumental noise and its…O. Alexandrova, J. Saur, C. Lacombe et al.·Dec 14, 2009SaveLearn
Dynamics of Alfvén waves in partially ionized astrophysical plasmasWe develop a two dimensional, self-consistent, compressible fluid model to study evolution of Alfvenic modes in partially ionized astrophysical and space plasmas. The partially ionized plasma…Dastgeer Shaikh·Dec 8, 2009SaveLearn
Hybrid modeling of plasmasHere we present the mathematical and numerical details of a general hybrid model for plasmas. All grid quantities are stored at cell centers on the grid. The most common discretization of the fields…Mats Holmstrom·Nov 23, 2009SaveLearn
Specific interplanetary conditions for CIR-, Sheath-, and ICME-induced geomagnetic storms obtained by double superposed epoch analysisThe comparison of specific interplanetary conditions for 798 magnetic storms with Dst < -50 nT for the period 1976-2000 was made on the basis of the OMNI archive data.We categorized various…Yu. I. Yermolaev, N. S. Nikolaeva, I. G. Lodkina et al.·Nov 17, 2009SaveLearn
3D Hall MHD Modeling of Solar Wind Plasma SpectraWe present fully self consistent 3D simulations of compressible Hall MHD plasma that describe spectral features relevant to the solar wind plasma. We find that a k-7/3 spectrum sets in for the…Dastgeer Shaikh, G. P. Zank·Nov 11, 2009SaveLearn
Whistler Wave Turbulence in Solar Wind PlasmaWhistler waves are present in solar wind plasma. These waves possess characteristic turbulent fluctuations that are characterized typically by the frequency and length scales that are respectively…Dastgeer Shaikh, G. P. Zank·Nov 11, 2009SaveLearn
Self-consistent Simulations of Plasma-Neutral in a Partially Ionized Astrophysical Turbulent PlasmaA local turbulence model is developed to study energy cascades in the heliosheath and outer heliosphere (OH) based on self-consistent two-dimensional fluid simulations. The model describes a…Dastgeer Shaikh, G. P. Zank·Nov 11, 2009SaveLearn
Innovative methods of correlation and orbit determination for space debrisWe propose two algorithms to provide a full preliminary orbit of an Earth-orbiting object with a number of observations lower than the classical methods, such as those by Laplace and Gauss. The first…D. Farnocchia, G. Tommei, A. Milani et al.·Nov 1, 2009SaveLearn
Density Spectrum in the Solar Wind PlasmaThe density fluctuation spectrum in the solar wind reveals a Kolmogorov-like scaling with a spectral slope of -5/3 in wavenumber space. The energy transfer process in the magnetized solar wind,…Dastgeer Shaikh, G. P. Zank·Oct 18, 2009SaveLearn
Turbulent Density Spectrum in Solar Wind PlasmaThe density fluctuation spectrum in the solar wind reveals a Kolmogorov-like scaling with a spectral slope of -5/3 in wavenumber space. The energy transfer process in the magnetized solar wind,…Dastgeer Shaikh, G. P. Zank·Oct 15, 2009SaveLearn
Curious numerical coincidence to the Pioneer anomalyOne noticed a numerical coincidence between the Pioneer spacecrafts deceleration anomaly and (γ-1), with γ the Lorentz factor. The match is not only for distances larger than 20 AU, but even for…Liviu Ivanescu·Oct 9, 2009SaveLearn