Search Results - "Snow, Ben"

Evidence of ubiquitous Alfvén pulses transporting energy from the photosphere to the upper chromosphere by Liu, Jiajia, Nelson, Chris J., Snow, Ben, Wang, Yuming, Erdélyi, Robert

“…The multi-million degree temperature increase from the middle to the upper solar atmosphere is one of the most fascinating puzzles in plasma-astrophysics…”
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Shock identification and classification in 2D magnetohydrodynamiccompressible turbulence—Orszag–Tang vortex by Snow, Ben, Hillier, Andrew, Murtas, Giulia, Botha, Gert J. J.

“…Abstract Compressible magnetohydrodynamic (MHD) turbulence is a common feature of astrophysical systems such as the solar atmosphere and interstellar medium…”
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Shocks and instabilities in the partially ionised solar atmosphere by Hillier, Andrew, Snow, Ben

“…The low solar atmosphere is composed of mostly neutral particles, but the importance of the magnetic field for understanding observed dynamics means that…”
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The role of cooling induced by mixing in the mass and energy cycles of the solar atmosphere by Hillier, Andrew, Snow, Ben, Arregui, Iñigo

“…ABSTRACT In many astrophysical systems, mixing between cool and hot temperature gas/plasma through Kelvin–Helmholtz-instability-driven turbulence leads to the…”
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New eyes and ideas for the chromosphere by Druett, Malcolm, Snow, Ben

“…Abstract An RAS Specialist Discussion Meeting organized by Malcolm Druett and Ben Snow on 13 November 2020 drew a broad international audience to explore a…”
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Supporting inclusive debate on Advanced Air Mobility: An evaluation by Smith, Angela, Dickinson, Janet E., Nadeem, Taalia, Snow, Ben, Permana, Rama, Cherrett, Tom, Drummond, Jason

“…Advanced Air Mobility (AAM) is being progressed, yet evidence suggests low levels of public salience and minimal debate. Efforts to engage the public have been…”
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Modelling 3D magnetic networks in a realistic solar atmosphere by Gent, Frederick A, Snow, Ben, Fedun, Viktor, Erdélyi, Robertus

“…ABSTRACT The magnetic network extending from the photosphere (solar radius ≃ R⊙) to the lower corona ($\mathrm{ R}_\odot +10\, {\rm Mm}$) plays an important…”
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Characterization of shock wave signatures at millimetre wavelengths from Bifrost simulations by Eklund, Henrik, Wedemeyer, Sven, Snow, Ben, Jess, David B, Jafarzadeh, Shahin, Grant, Samuel D T, Carlsson, Mats, Szydlarski, Mikołaj

“…Observations at millimetre wavelengths provide a valuable tool to study the small-scale dynamics in the solar chromosphere. We evaluate the physical conditions…”
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Temperature-reducing shocks in optically-thin radiative MHD -- analytical and numerical results by Snow, Ben

“…Shocks are often invoked as heating mechanisms in astrophysical systems, with both adiabatic compression and dissipative heating that leading to temperature…”
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Reply to: Signatures of sunspot oscillations and the case for chromospheric resonances by Jess, David B., Snow, Ben, Fleck, Bernhard, Stangalini, Marco, Jafarzadeh, Shahin

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A chromospheric resonance cavity in a sunspot mapped with seismology by Jess, David B., Snow, Ben, Houston, Scott J., Botha, Gert J. J., Fleck, Bernhard, Krishna Prasad, S., Asensio Ramos, Andrés, Morton, Richard J., Keys, Peter H., Jafarzadeh, Shahin, Stangalini, Marco, Grant, Samuel D. T., Christian, Damian J.

“…Sunspots are intense collections of magnetic fields that pierce through the Sun’s photosphere, with their signatures extending upwards into the outermost…”
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Numerical Simulations of Chromospheric Physics : Sunspot Resonating Cavity, 2d Magnetic Reconnection and Forward Modelling by Snow, Ben

“…There are three branches to this thesis: chromospheric resonator, forward modelling, and magnetic reconnection at different atmospheric heights. The first…”
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Shocks and instabilities in the partially ionised solar atmosphere by Hillier, Andrew, Snow, Ben

“…Advances in Space Research, Volume 71, Issue 4, p. 1962-1983 The low solar atmosphere is composed of mostly neutral particles, but the importance of the…”
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Kink instability of flux ropes in partially-ionised plasmas by Murtas, Giulia, Hillier, Andrew, Snow, Ben

“…In the solar atmosphere, flux ropes are subject to current driven instabilities that are crucial in driving plasma eruptions, ejections and heating. A typical…”
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Stability of two-fluid partially-ionised slow-mode shock fronts by Snow, Ben, Hillier, Andrew

“…A magnetohydrodynamic (MHD) shock front can be unstable to the corrugation instability, which causes a perturbed shock front to become increasingly corrugated…”
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Mode conversion of two-fluid shocks in a partially-ionised, isothermal, stratified atmosphere by Snow, Ben, Hillier, Andrew

“…A&A 637, A97 (2020) The plasma of the lower solar atmosphere consists of mostly neutral particles, whereas the upper solar atmosphere is mostly ionised…”
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Theoretical studies of smectic liquid crystals in the presence of flow, oscillatory perturbations, and edge dislocations by Snow, Ben C

“…A range of theoretical studies regarding the static and dynamic behaviour of smectic liquid crystals will be presented. The thesis is mainly concerned with the…”
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The role of cooling induced by mixing in the mass and energy cycles of the solar atmosphere by Hillier, Andrew, Snow, Ben, Arregui, Inigo

“…Monthly Notices of the Royal Astronomical Society, 2023, Volume 520, Issue 2, pp.1738-1747 In many astrophysical systems, mixing between cool and hot…”
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Intermediate shock substructures within a slow-mode shock occurring in partially ionised plasma by Snow, Ben, Hillier, Andrew

“…A&A 626, A46 (2019) Slow-mode shocks are important in understanding fast magnetic reconnection, jet formation and heating in the solar atmosphere, and other…”
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Collisional ionisation and recombination effects on coalescence instability in chromospheric partially ionised plasmas by Murtas, Giulia, Hillier, Andrew, Snow, Ben

“…Plasmoid-mediated fast magnetic reconnection plays a fundamental role in driving explosive dynamics and heating, but relatively little is known about how it…”
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