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DTSTAMP:20260818T120800
DTSTART;TZID=America/Detroit:20261007T151000
DTEND;TZID=America/Detroit:20261007T161000
SUMMARY:Lecture / Discussion:MIPSE Seminar | Material Properties Inside Stars and Fusion Plasmas
DESCRIPTION:Abstract: \nAccurate simulations of fusion experiments or astrophysical objects like stars need material data such as equation of state\, opacity and particle transport coefficients of matter under extreme conditions. This means we need to understand how matter behaves when it is very hot (10\,000 to 100\,000\,000 K) and at high density (1 to 1\,000\,000 g/cm3). In this regime\, atoms are partially ionized and significantly overlap\, meaning that the usual low-density plasma physics methods are inaccurate. In our research group at Los Alamos National Laboratory\, we have developed methods to accurately model these plasmas. In this talk I will review the progress we have made and some of the major outstanding challenges in this rapidly developing field.\n\nAbout the Speaker: \nDr. Charles Starrett received his PhD from the Queen’s University of Belfast in 2007\, where he worked on positronium collisions with matter. He went from there to a postdoctoral position at the French Alternative Energies and Atomic Energy Commission (CEA)\, where he began to study the structure of matter in warm and hot dense plasmas. In 2010 he joined Los Alamos National Laboratory to continue this work and still works in this field today. He has developed models to predict material properties such as equation of state\, particle transport and opacity for applications ranging from fusion to astrophysics.\n\nThe seminar will be conducted in person\, with livestream on Zoom. For more information\, please check the MIPSE website: https://mipse.umich.edu/seminars_2627.php#fall2026
UID:150201-21908389@events.umich.edu
URL:https://events.umich.edu/event/150201
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Fusion,Lecture,Michigan Engineering,Physics,Plasma,Research,seminar,Astrophysics
LOCATION:Electrical Engineering and Computer Science Building - 1003
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260818T120829
DTSTART;TZID=America/Detroit:20261028T151000
DTEND;TZID=America/Detroit:20261028T161000
SUMMARY:Lecture / Discussion:MIPSE Seminar | Multiscale Analysis of the Energetics of a Sonoluminescing Plasma Blackbody: What Are the Limits of Energy Density Concentration that Can Be Achieved with Collapsing Bubbles?
DESCRIPTION:Abstract: \nA gas bubble in a fluid can concentrate the energy density of a sound wave by 12 orders of magnitude to create picosecond flashes of light that originate in a dense strongly coupled plasma. An abiding question is: what are the limits of energy focusing that can be realized with sonoluminescence? Our attempt at an answer involves a multiscale simulation of an imploding bubble. The fluid must be described by compressible fluid mechanics as the velocity of implosion exceeds Mach 1. The gas containing fluid cavity is described by molecular dynamics as the gradients of temperature and velocity can be very steep. The available energy per atom matches the measured emissivity and temperature\, provided the ionization energy is much lower than current theories. Application of compressed ultrafast photography to laser breakdown of dense gases reveals a consistent requirement on the large reduction of the ionization potential in these plasmas. Our multiscale analysis allows predictions for regions of parameter space where energy density concentration is substantially larger.\n\nAbout the Speaker: \nSeth Putterman is a Professor of Physics at UCLA\, and President of the Julian Schwinger Foundation for Physics Research. He received a BS from Caltech and a PhD from Rockefeller University with George E. Uhlenbeck. Putterman’s thesis on the macroscopic theory of superfluids was expanded into a monograph. His theoretical research in nonlinear fluid mechanics and acoustics motivated him to set up an experimental lab which probed energy-focusing phenomena such as sonoluminescence\, X-ray emission from triboelectrification\, and crystal-generated nuclear fusion. Putterman [with Porrati] developed the foundational theory of sequential quantum jumps in a driven system such as intermittency in the fluorescence of a single trapped ion. He has served on the Defense Sciences Research Council. His work on sonoluminescence was featured on BBC2 Horizon\, “An Experiment to Save the World”. He is a Fellow of the Acoustical Society of America and the American Physical Society and recipient of a Sloan Fellowship. Putterman was named the UCLA 2010–2011 Faculty Research Lecturer. Currently he is PI on a phase 2 clinical trial at UCLA hospital aimed at curing chronic wounds. Nature profiled his out of the mainstream approach to science in their October 2005 issue.\n\nThe seminar will be conducted in person\, with livestream on Zoom. For more information\, please check the MIPSE website: https://mipse.umich.edu/seminars_2627.php#fall2026
UID:150202-21908390@events.umich.edu
URL:https://events.umich.edu/event/150202
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:seminar,Research,Plasma,Physics,Michigan Engineering
LOCATION:Electrical Engineering and Computer Science Building - 1003
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260818T120622
DTSTART;TZID=America/Detroit:20261118T151000
DTEND;TZID=America/Detroit:20261118T160000
SUMMARY:Lecture / Discussion:MIPSE Seminar | The Psyche Mission and Advances in Electric Propulsion at JPL
DESCRIPTION:Abstract: \nThe Psyche spacecraft was launched on October 23\, 2023 from Kennedy Space Center on a Falcon Heavy Rocket. The launch began the spacecraft’s 2.2 billion mile journey to the asteroid 16 Psyche in the outer part of the main asteroid belt between the orbits of Mars and Jupiter. The Psyche asteroid\, composed of over 50% metal by weight is possibly the metal core of a planetesimal whose formation was interrupted early in the solar system by collisions with other bodies that created the asteroid belt. The Psyche spacecraft is a hybrid. Maxar/Intuitive-Machines\, now known for taking photographs from space over Ukraine\, fabricated the spacecraft bus based on heritage hardware\, and JPL installed scientific payload\, avionics and autonomous flight software for deep space operation. This $900M NASA mission is the first spacecraft to use Hall thrusters in deep space to rendezvous and orbit the asteroid\, and recently completed a Mars Gravity Assist on the way to rendezvous in 2029. A 2-year science program will determine the asteroid’s composition and remnant magnetic field to determine if this unique object really is a planetary core…and what that actually looks like. The talk will describe the Psyche mission and provides updates on electric propulsion at JPL.\n\nAbout the Speaker: \nDr. Dan M. Goebel received a B.S. in physics in 1977\, an M.S. in EE in 1978\, and a Ph.D. in applied plasma physics in 1981 from UCLA. He is a Fellow and Senior Research Scientist at JPL and an Adjunct Professor of Aerospace Engineering at UCLA. At JPL he is the Chief Engineer of the Psyche Mission and responsible for the development of advanced spacecraft technologies. Dr. Goebel is a member of the National Academy of Engineering\, the National Academy of Inventors\, and Fellow of the AIAA\, IEEE\, and APS. He is the author of over 300 technical and conference papers\, two textbooks on Electric Propulsion\, and holds 60 patents.\n\nThe seminar will be conducted in person\, with livestream on Zoom. For more information\, please check the MIPSE website: https://mipse.umich.edu/seminars_2627.php#fall2026
UID:150203-21908391@events.umich.edu
URL:https://events.umich.edu/event/150203
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Lecture,Michigan Engineering,Physics,Plasma,Research,seminar
LOCATION:Electrical Engineering and Computer Science Building - 1003
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260929T113504
DTSTART;TZID=America/Detroit:20261202T133000
DTEND;TZID=America/Detroit:20261202T144000
SUMMARY:Lecture / Discussion:MIPSE Seminar | The ZX Initiative - Expanding the Physics Capabilities of the Z Pulsed Power Facility
DESCRIPTION:Abstract: \nPulsed power provides an energy-rich tool for studying plasma physics and accessing High Energy Density conditions. Today\, the Z Facility at Sandia National Laboratories – the most powerful pulsed power driver ever constructed – is used to study material responses at extreme pressures\, to produce very intense radiation environments and to drive fusion fuels to thermonuclear conditions. We are embarking on an effort to further increase the impact of Z through several targeted upgrades\, including doubling the energy delivered to experiments\, referred to collectively as the ZX Initiative (Z eXtended Capability Initiative). Through these upgrades we intend to demonstrate robust alpha heating in our fusion experiments\, potentially achieving Mega-Joule-class yields. In our radiation experiments we anticipate creating the most intense pure x-ray sources available. Finally\, we expect to be able to study the equations of state for mm-scale samples at record pressures. In this talk we will review the science currently being studied on Z and discuss the physics aims of the ZX Initiative. We will then describe the specific pulsed power and subsystem upgrades that enable ZX performance\, and discuss work already occurring today to make that happen.\n\nSNL is a multi-mission laboratory managed and operated by NTESS\, LLC\, a wholly owned subsidiary of Honeywell International\, Inc.\, for the U.S. DOE’s NNSA under Contract No. DE-NA0003525.\n\nAbout the Speaker: \n\nDave Ampleford is currently leading the ZX Project Planning and Integration efforts at Sandia National Laboratory (SNL). Prior to that he was leading SNL’s Inertial Confinement Fusion science research. He is an experimental plasma physicist who has researched pulsed power driven radiation sources and Inertial Confinement Fusion on the Z Pulsed Power Facility. He obtained his PhD from Imperial College London\, where his dissertation was using the Magpie pulsed power driver for laboratory astrophysics research.\n\nThe seminar will be conducted in person\, with livestream on Zoom. For more information\, please check the MIPSE website: https://mipse.umich.edu/seminars_2627.php#fall2026
UID:153034-21914968@events.umich.edu
URL:https://events.umich.edu/event/153034
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Michigan Engineering,Physics,Plasma,seminar,Talk
LOCATION:Leinweber LCSIB - 2365
CONTACT:
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