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PPPS 2019

22–28 Jun 2019
DoubleTree at the Entrance to Universal Orlando
America/New_York timezone

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Session

1.3 Space Plasmas

O2A
24 Jun 2019, 16:00
DoubleTree at the Entrance to Universal Orlando

DoubleTree at the Entrance to Universal Orlando

5780 Major Blvd. Orlando, Florida, 32819, USA

Conveners

1.3 Space Plasmas

  • David Cooke (US Air Force Res Lab)

Presentation materials

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  1. 618. Parametric Interaction of VLF and ELF Waves and Impact on Energetic Electrons in a Radiation Belt
    Dr Vladimir Sotnikov (Air Force Research Laboratory)
    24/06/2019, 16:00
    1.3 Space Plasmas
    Either

    Different sources for Very Low Frequency (VLF) whistler wave generation including parametric mechanisms of excitation with involvement of Extremely Low Frequency (ELF) waves, Ion Acoustic (IA) waves as well as conventional loop antennas will be analyzed. Whistler waves interact with Radiation Belt (RB) electrons via cyclotron resonance. This interaction leads to enhanced pitch angle diffusion...

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  2. 891. Modulational instability and study of freak waves in an ion beam plasma with two temperature superthermal electrons
    Ms Nimardeep Kaur (Guru Nanak Dev University)
    24/06/2019, 16:15
    1.3 Space Plasmas
    Oral

    From past few decades, there has been a great deal of interest in understanding different types of nonlinear solitary structures in various kind of plasmas. The study of ion-acoustic solitary waves in multi-component plasmas holds an mportant place in both theoretical and experimental point of views. The satellite observations in space plasma confirm that these waves generally occur in...

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  3. 743. SOLAR WIND DRIVEN WHISTLER INSTABILITY IN EARTH’S CUSP REGION
    M N S Qureshi (GC University, Lahore)
    24/06/2019, 16:30
    1.3 Space Plasmas
    Oral

    One of the fundamental questions in space plasmas still not fully understood is how the energy is transported from solar wind to the Earth’s magnetosphere. In the present study, we observe electron velocity distribution (EVD) functions in the Earth’s magnetosphere using the CLUSTER data. The EVD functions are observed at different times when the CLUSTER traversing the southern cusp region,...

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  4. 944. Low energy electron irradiation induced charging of dielectric materials: measurements and analyses.
    Dr Mohamed Belhaj (ONERA)
    24/06/2019, 16:45
    1.3 Space Plasmas
    Either

    Charging of dielectric materials under electron irradiation is a commonly encountered problem in many space applications. Spacecraft charging due to solar and cosmic radiations may lead to critical discharge phenomenon. Indeed, under irradiation (especially electron irradiation), insulators as well as floating conductors may charge negatively or positively depending on the incident electron...

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  5. 1005. Modeling DSX Plasma Interactions Using Nascap-2k
    david cooke (US Air Force Res Lab)
    24/06/2019, 17:00
    1.3 Space Plasmas
    Oral

    Wave Particle Interaction Experiment (WPIx) will be conducted on the DSX (Demonstration and Science eXperiments) mission to be launched in 2019. WPIx broadcasts VLF (Very Low Frequency) into the MEO (Medium Earth Orbit) environment using an 80 meter tip-to-tip dipole antenna biased to kilovolt potentials. The spacecraft-plasma interactions code Nascap-2k is used to model the dynamic plasma...

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