Imperial College London
Portrait Picture

ProfessorSergeyLebedev

Faculty of Natural Sciences, Department of Physics

Professor of Plasma Physics
 
 
 
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Contact

 

+44 (0)20 7594 7748s.lebedev Website

 
 
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Location

 

743Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@unpublished{Blackman:2020,
author = {Blackman, EG and Lebedev, SV},
publisher = {arXiv},
title = {Persistent mysteries of jet engines, formation, propagation, and  particle acceleration: have they been addressed experimentally?},
url = {http://arxiv.org/abs/2009.08057v1},
year = {2020}
}
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RIS format (EndNote, RefMan)

TY  - UNPB
AB  - The physics of astrophysical jets can be divided into three regimes: (i)engine and launch (ii) propagation and collimation, (iii) dissipation andparticle acceleration. Since astrophysical jets comprise a huge range of scalesand phenomena, practicality dictates that most studies of jets intentionally orinadvertently focus on one of these regimes, and even therein, one body of workmay be simply boundary condition for another. We first discuss long standingpersistent mysteries that pertain the physics of each of these regimes,independent of the method used to study them. This discussion makes contactwith frontiers of plasma astrophysics more generally. While observationstheory, and simulations, and have long been the main tools of the trade, whatabout laboratory experiments? Jet related experiments have offered controlledstudies of specific principles, physical processes, and benchmarks fornumerical and theoretical calculations. We discuss what has been done to dateon these fronts. Although experiments have indeed helped us to understandcertain processes, proof of principle concepts, and benchmarked codes, theyhave yet to solved an astrophysical jet mystery on their own. A challenge isthat experimental tools used for jet-related experiments so far, are typicallynot machines originally designed for that purpose, or designed with specificastrophysical mysteries in mind. This presents an opportunity for a differentway of thinking about the development of future platforms: start with theastrophysical mystery and build an experiment to address it.
AU  - Blackman,EG
AU  - Lebedev,SV
PB  - arXiv
PY  - 2020///
TI  - Persistent mysteries of jet engines, formation, propagation, and  particle acceleration: have they been addressed experimentally?
UR  - http://arxiv.org/abs/2009.08057v1
UR  - http://hdl.handle.net/10044/1/83078
ER  -
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