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DTSTART:20070311T020000
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BEGIN:VEVENT
DTSTAMP:20250218T085541
DTSTART;TZID=America/Detroit:20250228T130000
DTEND;TZID=America/Detroit:20250301T030000
SUMMARY:Lecture / Discussion:Characterization of Momentum and Heat Flow in Hall Thrusters with Laser Scattering
DESCRIPTION:Hall thrusters are plasma accelerators which produce thrust with a low-temperature\, 𝐸𝐸×𝐵𝐵 plasma ring. Due to their high performance\, they have become the most widely flown form of in-space propulsion. However\, our ability to predict Hall thruster operation and life with simulations is limited by difficulties in modeling the “anomalous” loss of electron confinement due to plasma turbulence. This anomalous transport of electrons limits efficiency and determines the electric field profile\, impacting nearly every aspect of the thruster. Past attempts to measure the anomalous transport have used perturbative plasma probes which alter the thruster operation\, and model-based inference studies do not produce a unique solution.\n\nIn this work\, laser scattering experiments are performed to non-perturbatively characterize the flow of momentum and heat through the Hall thruster plasma. Laser-induced fluorescence (LIF) velocimetry is employed to capture the electric field\, while incoherent Thomson scattering (ITS) is used to directly measure the electron properties in a high-power\, magnetically shielded Hall thruster. A method is devised to infer the cross-field transport\, represented by the effective Hall parameter\, directly from these laser measurements. The electron properties are investigated across a parametric map of operating conditions and propellants in one and two dimensions. It is found that electron temperatures are larger than previously expected and the principle of isothermal field lines does not hold. The resulting dataset is used to evaluate theories for turbulent forces and heat fluxes in the Hall thruster and hollow cathode plumes.
UID:132866-21871976@events.umich.edu
URL:https://events.umich.edu/event/132866
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:#michiganengineering
LOCATION:Off Campus Location
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250303T063152
DTSTART;TZID=America/Detroit:20250228T130000
DTEND;TZID=America/Detroit:20250228T150000
SUMMARY:Careers / Jobs:Disney Television Animation - Early Career Event: Drawn to Success2025 (February 28)
DESCRIPTION:We are so excited to officially invite you to the Disney Television Animation: 2025 Early Career Event: Drawn To Success!&nbsp\;&nbsp\;Learn all about what it's like to work at Disney TVA and how to draw attention of recruiters and creative leaders.&nbsp\;Eachevent will cover the following topics:• Disney TVA Animation 40-year legacy of storytelling &amp\; Pipeline• Resume &amp\; Portfolio Tips• Interview Tips• Internship Opportunities• Meet the Artist Recruiting team• Hear and learn from Disney TVA guest speakers• and so much more!&nbsp\;PLUS for the first time\, we have curated our guest speakers for each session! Our Thursday\, February 13th session will focus on early career primarily inanimation production and our Friday\, February 28th session will focus onlearning from creative leaders.&nbsp\;There are two separate dates you can sign up to attend virtually\, please sign up for the time that works best for you. This event is open to anyone interested in learning about how to enter the animation industry.RSVP HERE-&gt\; https://forms.office.com/r/b1U73HWzmf&nbsp\;Zoom link will be shared with RSVP list closer to the event date\, starting 7 days before the first session. Please double check the email you share\, since that is how you will receive the Zoom link.
UID:131848-21869315@events.umich.edu
URL:https://events.umich.edu/event/131848
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:
LOCATION:
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250131T084503
DTSTART;TZID=America/Detroit:20250228T130000
DTEND;TZID=America/Detroit:20250228T140000
SUMMARY:Social / Informal Gathering:Kreativwerkstatt
DESCRIPTION:Chat in German and express yourself creatively. Crafting\, coloring\, painting\, drawing\, knitting\, sewing\, crochet\, embroidery\, origami? You will combine speaking German\, any level welcome\, beginners included\, and creatively expressing yourself. You are encouraged to bring your own materials or (ongoing) projects\, but we will also provide some materials and prompts each week. Contact Laura Okkema (lokkema@umich.edu) or Iris Zapf-Garcia (iriszaga@umich.edu.) with questions.
UID:131293-21868141@events.umich.edu
URL:https://events.umich.edu/event/131293
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:German Studies,Germanic Languages And Literatures,German
LOCATION:Modern Languages Building - 3030
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250127T085902
DTSTART;TZID=America/Detroit:20250228T130000
DTEND;TZID=America/Detroit:20250228T140000
SUMMARY:Meeting:PhonDi
DESCRIPTION:Phondi is a discussion and research group for students and faculty at U-M and nearby universities who have interests in phonetics and phonology. We meet roughly biweekly during the academic year to present our research\, discuss \"hot\" topics in the field\, and practice upcoming conference or other presentations. We welcome anyone with interests in phonetics and phonology to join us.
UID:131898-21869366@events.umich.edu
URL:https://events.umich.edu/event/131898
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Discussion Group,Phonetics,Phonology
LOCATION:Off Campus Location - Lorch 473
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250221T113425
DTSTART;TZID=America/Detroit:20250228T130000
DTEND;TZID=America/Detroit:20250228T150000
SUMMARY:Lecture / Discussion:The Black History 101 Mobile Museum with Dr. Khalid el-Hakim
DESCRIPTION:We invite you to experience The Black History 101 Mobile Museum traveling exhibit along with a presentation from founder Khalid el-Hakim. Learn about the rich and diverse history of African Americans through original artifacts that span from the painful era of the trans-Atlantic slave trade to the vibrant culture of hip hop. Join us in person in the Hatcher Gallery or via Zoom (https://myumi.ch/G4Xm1).
UID:133004-21872244@events.umich.edu
URL:https://events.umich.edu/event/133004
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Library,History,Free,Exhibition,Black History Month
LOCATION:Hatcher Graduate Library - Gallery, 1st Floor
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20250128T121750
DTSTART;TZID=America/Detroit:20250228T132000
DTEND;TZID=America/Detroit:20250228T135000
SUMMARY:Performance:Jenna Moon & Christine El-Hage Walters\, carillon
DESCRIPTION:SMTD doctoral alumna Jenna Moon & Christine El-Hage Walters perform on the Ann & Robert H. Lurie Carillon\, an instrument of 60 bells with the lowest bell (bourdon) weighing 6 tons.\n\nThirty-minute recitals are performed on the Lurie Carillon every weekday that classes are in session. During these recitals\, visitors may take the elevator to level 2 to view the largest bells\, or to level 3 to see the carillonist performing. (Visitors subject to acrophobia are recommended to visit level 2 only.) An optional spiral stairway between levels 2 and 3 allows for up-close views of some of the largest bells.
UID:131993-21869616@events.umich.edu
URL:https://events.umich.edu/event/131993
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Talk,North Campus,Music,Free,Alumni
LOCATION:Lurie Ann & Robert H. Tower
CONTACT:
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