A Positive Conservative Method for Magnetohydrodynamics Based on HLL and Roe Methods

article published in 2000

A case study of electron precipitation in the late substorm growth phase on and nearby a preonset arc

A hybrid simulation model for a stable auroral arc

article

Aalto-1 - An experimental nanosatellite for hyperspectral remote sensing

Aalto-1 Earth Observation nanosatellite mission status and in orbit experiments

article published in 2017

Aalto-1 nanosatellite – technical description and mission objectives

scholarly article by Antti Kestilä published in February 2013

Aalto-1 nanosatellite – technical description and mission objectives

Aalto-1: a hyperspectral Earth observing nanosatellite

Alfvénic Electron Acceleration in Aurora Occurs in Global Alfvén Resonosphere Region

Altitude dependence of plasma density in the auroral zone

Altitude extension of auroral potential structures by event-based and statistical studies

Analysis of the substorm trigger phase using multiple ground-based instrumentation

scholarly article

Application of conformal mapping to 2-D conductivity structures with non-uniform primary sources

Assessing the performance of community-available global MHD models using key system parameters and empirical relationships

Assessment of ionospheric Joule heating by GUMICS-4 MHD simulation, AMIE, and satellite-based statistics: towards a synthesis

article

Astrobiology: Study of factors related to the origin and survival of life on Earth and elsewhere

Atmospheric effects of proton precipitation in the Martian atmosphere and its connection to the Mars-solar wind interaction

scholarly article by Esa Kallio & Pekka Janhunen published 1 April 2001 in Journal of Geophysical Research

Auroral fading in ionosphere-magnetosphere coupling model: Implications for possible mechanisms

scholarly article

Auroral potential structures and current-voltage relationship: summary of recent results

Biological feedbacks as cause and demise of the Neoproterozoic icehouse: astrobiological prospects for faster evolution and importance of cold conditions

scientific article (publication date: 14 February 2007)

Boltzmann electron PIC simulation of the E-sail effect ⬇️

Cassini Plasma Spectrometer and hybrid model study on Titan's interaction: Effect of oxygen ions

scholarly article

Characteristics of a stable arc based on FAST and MIRACLE observations

Compression of the Earth's magnetotail by interplanetary shocks directly drives transient magnetic flux closure

scholarly article

Continuous reconnection line and pressure-dependent energy conversion on the magnetopause in a global MHD model

scholarly article

Deorbiting Strategies: Comparison between Electrostatic Plasma Brake and Conventional Propulsion

conference paper from July-August 2011

Determining the quality of space tether in a nondestructive manner

E-sail test payload of the ESTCube-1 nanosatellite

EMMI—Electric solar wind sail facilitated Manned Mars Initiative ⬇️

scholarly article by Pekka Janhunen et al published August 2015 in Acta Astronautica

ESTCube-1 in-orbit experience and lessons learned

ESTCube-1 nanosatellite for electric solar wind sail in-orbit technology demonstration

Electric Sail Performance Analysis

article published in 2008

Electric Sail for Spacecraft Propulsion

article published in 2004

Electric Sail for a Near-Earth Asteroid Sample Return Mission: Case 1998 KY26

Electric Sailing under Observed Solar Wind Conditions

Electric Solar Wind Sail: Deployment, Long-Term Dynamics, and Control Hardware Requirements

article

Electric sail control mode for amplified transverse thrust ⬇️

Electric sail option for cometary rendezvous

Electric sail, photonic sail and deorbiting applications of the freely guided photonic blade

Electric solar wind sail mass budget model

scholarly article by Pekka Janhunen published in February 2013

Electric solar wind sail mass budget model

article

Electrostatic Plasma Brake for Deorbiting a Satellite

Energetics of a substorm on 15 August, 2001: Comparing empirical methods and a global MHD simulation

Energisation of O+ and O+ 2 Ions at Mars: An Analysis of a 3-D Quasi-Neutral Hybrid Model Simulation

Fast E-sail Uranus entry probe mission

scholarly article by Pekka Janhunen et al published December 2014 in Planetary and Space Science

Field-aligned conductance values estimated from Maxwellian and kappa distributions in quiet and disturbed events using Freja electron data

article

Forcing continuous reconnection in hybrid simulations

Generation of Bernstein waves by ion shell distributions in the auroral region

HLLC solver for ideal relativistic MHD

article published in 2007

How does the U-shaped potential close above the acceleration region? A study using Polar data

scholarly article by Pekka Janhunen et al published 1999 in Annales Geophysicae

How does the U-shaped potential close above the acceleration region? A study using Polar data

article published in 1999

Hybrid modelling the Pioneer Venus Orbiter magnetic field observations

Hybrid simulation study of ion escape at Titan for different orbital positions

Hybrid simulations of the O+ ion escape from Venus: Influence of the solar wind density and the IMF x component

article published in 2009

Hysteresis in solar wind power input to the magnetosphere

scholarly article

Increased electric sail thrust through removal of trapped shielding electrons by orbit chaotisation due to spacecraft body

scholarly article by Pekka Janhunen published 7 August 2009 in Annales Geophysicae

Invited article: Electric solar wind sail: toward test missions

scientific article

Ion escape at Mars: Comparison of a 3-D hybrid simulation with Mars Express IMA/ASPERA-3 measurements

scientific article

Ion shell distributions as free energy source for plasma waves on auroral field lines mapping to plasma sheet boundary layer

Ionospheric Power Consumption in Global MHD Simulation Predicted From Solar Wind Measurements

Ionospheric energy input as a function of solar wind parameters: global MHD simulation results

Ionospheric shear flow situations observed by the MIRACLE network, and the concept of Harang discontinuity

scientific article

Magnetized Mars: Transformation of Earth-like magnetosphere to Venus-like induced magnetosphere

Magnetopause reconnection and energy conversion as influenced by the dipole tilt and the IMF B x

scholarly article

Magnetospheric feedback in solar wind energy transfer

scholarly article

MathHDF: MathLink-Based Distributed Visualization between Mathematica and HDF Files

Middle-energy electron anisotropies in the auroral region

Modelling the solar wind interaction with Mercury by a quasi-neutral hybrid model

article

Morphology of the magnetic field near Mars and the role of the magnetic crustal anomalies: Dayside region

Morphology of the magnetic field near Titan: Hybrid model study of the Cassini T9 flyby

scholarly article

Moving an asteroid with electric solar wind sail

Nano-graphite cold cathodes for electric solar wind sail

scholarly article in Carbon, vol. 81, January 2015

New interpretation of magnetospheric energy circulation

scholarly article

New model for auroral acceleration: O-shaped potential structure cooperating with waves

scholarly article by Pekka Janhunen & A. Olsson published 23 June 2000 in Annales Geophysicae

New model for auroral acceleration: O-shaped potential structure cooperating with waves

Observational study of generation conditions of substorm-associated low-frequency AKR emissions

On large plasmoid formation in a global magnetohydrodynamic simulation

On recent developments in E-region irregularity

On recent developments in E-region irregularity simulationsand a summary of related theory

On the characterization of magnetic reconnection in global MHD simulations

scholarly article by T. V. Laitinen et al published 22 November 2006 in Annales Geophysicae

On the current-voltage relationship in auroral breakups and westwards-travelling surges

On the current-voltage relationship in auroral breakups and westwards-travelling surges

On the current-voltage relationship in fluid theory

On the current-voltage relationship in fluid theory

On the development of a spherical hybrid model - Lessons and applications

article

On the feasibility of a negative polarity electric sail

scholarly article by Pekka Janhunen published 1 April 2009 in Annales Geophysicae

On the impact of multiply charged heavy solar wind ions on the surface of Mercury, the Moon and Ceres

On the properties of O+ and O2+ ions in a hybrid model and in Mars Express IMA/ASPERA-3 data: A case study

On the response of ionospheric electrojets to solar wind discontinuities

scholarly article by Minna Palmroth et al published 6 October 2009 in Annales Geophysicae

One kilometer (1 km) electric solar wind sail tether produced automatically

scientific article published on 01 September 2013

Optimal interplanetary rendezvous combining electric sail and high thrust propulsion system

Overview of electric solar wind sail applications

article published in 2014

Oxygen ion escape at Mars in a hybrid model: High energy and low energy ions

scholarly article

Oxygen ion escape from Venus in a global hybrid simulation: role of the ionospheric O + ions

Oxygen ions at Titan's exobase in a Voyager 1-type interaction from a hybrid simulation

scholarly article

Parallel grid library for rapid and flexible simulation development

article

Photonic spin control for solar wind electric sail

Planetary ENA imaging: Effects of different interaction models for Mars

article published in 2006

Plasma and wave phenomena induced by neutral gas releases in the solar wind

Polar observations of electron density distribution in the Earth’s magnetosphere. 1. Statistical results

Polar observations of electron density distribution in the Earth’s magnetosphere. 2. Density profiles

Precipitation and total power consumption in the ionosphere: Global MHD simulation results compared with Polar and SNOE observations

article

Propagation of the electromagnetic signal from lightning over a non-planar inhomogeneous Earth

Relation of polar auroral arcs to magnetotail twisting and IMF rotation: a systematic MHD simulation study

STARE velocities: 2. Evening westward electron flow

STARE velocities: the importance of off-orthogonality and ion motions

STARE: Observations of a field-aligned line current

scholarly article

Safety criteria for flying E-sail through solar eclipse ⬇️

Simulation study of solar wind push on a charged wire: basis of solar wind electric sail propulsion

scientific article published in 2007

Simulation study of the plasma-brake effect ⬇️

scholarly article by Pekka Janhunen published 7 October 2014 in Annales Geophysicae

Simulations of X-rays from solar wind charge exchange at Mars: Parameter dependence

article published in 2005

Simulations of solar wind charge exchange X-ray emissions at Venus

scholarly article

Some observational phenomena are well reproduced by our global MHD while others are not: remarks on what, why and how

Some recent developments in understanding auroral electron acceleration processes

Spin Plane Control and Thrust Vectoring of Electric Solar Wind Sail

Statistical comparison of seasonal variations in the GUMICS-4 global MHD model ionosphere and measurements

article

Statistics of a parallel Poynting vector in the auroral zone as a function of altitude using Polar EFI and MFE data and Astrid-2 EMMA data

Status report of the electric sail in 2009

Surface conductivity of Mercury provides current closure and may affect magnetospheric symmetry

Testing an inversion method for estimating electron energy fluxes from all-sky camera images

article

The GUMICS-4 global MHD magnetosphere–ionosphere coupling simulation

The Venusian induced magnetosphere: A case study of plasma and magnetic field measurements on the Venus Express mission

The closure of region-1 field-aligned current in MHD simulation

scholarly article

The current-voltage relationship revisited: exact and approximate formulas with almost general validity for hot magnetospheric electrons for bi-Maxwellian and kappa distributions

article

The electron drift velocity, ion acoustic speed and irregularity drifts in high-latitude E-region

scholarly article by M. V. Uspensky et al published 24 October 2008 in Annales Geophysicae

The impact on global magnetohydrodynamic simulations from varying initialisation methods: results from GUMICS-4

scholarly article by Antti Lakka et al published 1 August 2017 in Annales Geophysicae

The magnetic field near Mars: A comparison between a hybrid model, Mars Global Surveyor and Mars Express observations

scholarly article by H. Frilund et al published May 2008 in Planetary and Space Science

The magnetotail reconnection region in a global MHD simulation

The occurrence frequency of auroral potential structures and electric fields as a function of altitude using Polar/EFI data

The occurrence frequency of upward ion beams in the auroral zone as a function of altitude using Polar/TIMAS and DE-1/EICS data

The response of the Hermean magnetosphere to the interplanetary magnetic field

article published in 2004

Thermo-photovoltaic spacecraft electricity generation

Three-dimensional stabilization mechanism for the auroral Farley-Buneman instability

Thrust vectoring of an electric solar wind sail with a realistic sail shape ⬇️

Timing of changes in the solar wind energy input in relation to ionospheric response

scholarly article

Variations of the magnetic field near Mars caused by magnetic crustal anomalies

Velocities of auroral coherent echoes at 12 and 144 MHz

Venus–solar wind interaction: Asymmetries and the escape of ions

Verification of the GUMICS-4 global MHD code using empirical relationships

scientific article

Volume cross section of auroral radar backscatter and RMS plasma fluctuations inferred from coherent and incoherent scatter data: a response on backscatter volume parameters

article by M. V. Uspensky et al published 22 June 2011 in Annales Geophysicae

Widely different characteristics of oxygen and hydrogen ion escape from Venus

scholarly article

Windsock memory COnditioned RAM (CO-RAM) pressure effect: Forced reconnection in the Earth's magnetotail ⬇️

Wire-to-wire bonding of μm-diameter aluminum wires for the Electric Solar Wind Sail

scholarly article by Henri Seppänen et al published November 2011 in Microelectronic Engineering

Wrecker: an unreeling mechanism for a thin electrically conductive space tether

X rays from solar wind charge exchange at Mars: A comparison of simulations and observations

scholarly article