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DTSTART;TZID=America/New_York:20200915T103000
DTEND;TZID=America/New_York:20200915T120000
DTSTAMP:20260407T151518
CREATED:20200827T211658Z
LAST-MODIFIED:20200827T211658Z
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SUMMARY:MEAM Seminar: "Tackling Energy Sector Challenges with Interdisciplinary Research and Education Initiatives"
DESCRIPTION:Tackling the energy sector’s pressing technological and workforce needs requires a multi-pronged approach. This talk will include a discussion of both technical research and educational approaches to address these needs. The educational initiatives include implementation of the Energy Fellows Program\, a training and professional development program\, as well as research on the varying perceptions of students\, faculty\, and practicing engineers about what skills and knowledge are required for careers in the energy sector. The technical research focuses on conversion of waste heat into electricity since the majority of energy resources are wasted as heat. Thermoelectric power generators can convert waste heat into useful electrical energy\, but traditional thermoelectric device manufacturing uses bulk material processing with machining\, assembly\, and integration steps which lead to material waste and performance limitations. The traditional manufacturing approach offers virtually no flexibility in designing the geometry of thermoelectric modules. Additive manufacturing can overcome these challenges. This presentation will describe our progress in laser-based additive manufacturing of thermoelectric materials such as tellurides and silicides. Laser powder bed fusion (also known as selective laser melting) is an additive manufacturing process which locally melts successive layers of material powder to construct three-dimensional objects. When applied to thermoelectric materials\, this technique could enable new geometries and architectures\, material-to-device integration\, and large-area processing. The presentation will show the first demonstrations of laser additive manufacturing applied to thermoelectric materials and discuss the link between materials\, manufacturing\, and system-level considerations for thermoelectric power generators.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-tackling-energy-sector-challenges-with-interdisciplinary-research-and-education-initiatives-2/
LOCATION:Zoom – Email MEAM for Link\, peterlit@seas.upenn.edu
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200915T110000
DTEND;TZID=America/New_York:20200915T120000
DTSTAMP:20260407T151518
CREATED:20200909T153525Z
LAST-MODIFIED:20200909T153525Z
UID:10006486-1600167600-1600171200@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: "Electrical Digestive Engineering"
DESCRIPTION:Gastrointestinal (GI) problems are the second leading cause for missing work or school after the common cold\, giving rise to 10 percent of the reasons a patient visits their physician and costing $142 billion annually.  Although obstructions and infections are easy to diagnose\, more than half of GI disorders involve abnormal functioning of the GI tract\, where diagnosis entails subjective symptom-based questionnaires or objective but invasive\, intermittent procedures in specialized centers.   In this talk\, we will describe electrical waves of pacemaker activity that underlie contractions for digestion\, their interconnection with the nervous and immune systems\, and how their propagation patterns can go awry in GI disorders. We will describe our development of high-resolution multi-electrode abdominal recording systems as well as dynamic spatial signal processing methods that in concert enable extraction of propagation patterns that are typically acquired invasively in specialized centers. Development of a miniaturized recording system to perform 24-hour ambulatory recordings\, with an example of how this aided in solving a complex patient case\, will also be discussed. We will conclude with a vision for how modernizing gastroenterology with applied mathematics and engineering has transformational potential to remove bottlenecks\, improve health outcomes\, and reduce healthcare costs by improving timely diagnoses\, optimizing interventions\, and predicting treatment responses.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-electrical-digestive-engineering/
LOCATION:Zoom – Email ESE for Link jbatter@seas.upenn.edu
CATEGORIES:Seminar,Faculty,Colloquium,Graduate,Postdoctoral,Undergraduate
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200915T150000
DTEND;TZID=America/New_York:20200915T160000
DTSTAMP:20260407T151518
CREATED:20200911T144535Z
LAST-MODIFIED:20200911T144535Z
UID:10006489-1600182000-1600185600@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "Recovering\, manipulating and enhancing recorded speech (1905-2020)"
DESCRIPTION:This talk will survey several recent projects dealing with recorded speech. The first explores \nan optical process for recovering sound recorded onto postcards using a forgotten technology \nfrom more than a century ago. This involves scanning the postcard at multiple orientations using \na flatbed scanner\, and then reconstructing the fine scale surface texture of the card (where the \naudio is encoded) using photometric stereo\, a technique from computer vision. We will then \ndiscuss more modern applications as well\, including a text-based interface for editing recorded \naudio narration that is capable of synthesizing new words matching the voice of the narrator. \nFinally\, given that real-world audio recordings are often degraded by factors such as noise\, \nreverberation\, and equalization distortion\, we will also introduce a deep learning method to \ntransform recorded speech to sound as though it had been recorded in a studio.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-recovering-manipulating-and-enhancing-recorded-speech-1905-2020/
LOCATION:Zoom – Email CIS for link\, cherylh@cis.upenn.edu
CATEGORIES:Distinguished Lecture
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200916T160000
DTEND;TZID=America/New_York:20200916T170000
DTSTAMP:20260407T151518
CREATED:20200305T203528Z
LAST-MODIFIED:20200305T203528Z
UID:10006427-1600272000-1600275600@seasevents.nmsdev7.com
SUMMARY:BE/MINS Seminar: "Mapping emotions: discovering structure in mesoscale electrical brain recordings" (Kafui Dzirasa\, Duke University)
DESCRIPTION:This seminar is co-hosted by the Department of Bioengineering and the Mahoney Institute for Neurosciences. Hosts Danielle Bassett and Josh Gold. \nThis event will be held virtually via Bluejeans: https://bluejeans.com/9789833127. Contact Jacqueline Fowlkes with questions at jfowlkes@pennmedicine.upenn.edu.
URL:https://seasevents.nmsdev7.com/event/be-mins-seminar/
LOCATION:PA
CATEGORIES:Seminar
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200917T104500
DTEND;TZID=America/New_York:20200917T114500
DTSTAMP:20260407T151518
CREATED:20200828T145936Z
LAST-MODIFIED:20200828T145936Z
UID:10006452-1600339500-1600343100@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "III-V photovoltaic substrate reuse using fracture"
DESCRIPTION:Controlled spalling of single-crystal semiconductors is an emerging technique which results in the rapid exfoliation of a thin\, single-crystal layer by propagating fracture parallel to the wafer surface. Spalling fracture has been engineered to controllably and intentionally exfoliate thin film electronic devices from single-crystal semiconductors for the purposes of creating flexible devices or enabling substrate reuse to mitigate costs. The process uses an adhered stressor layer combined with an externally applied mechanical force to initiate and propagate a lateral fracture parallel to the substrate surface. Proof-of-principle device demonstrations have been achieved at wafer scale and in multiple configurations\, showing no loss of performance compared to conventionally processed devices while preserving the wafer for reuse\, reclaim\, or recycling for cost and material savings. In this talk\, examples will be drawn mainly from spalling (100)-oriented Ge and GaAs to illustrate the impact of cleavage system alignment on the resulting fracture morphology and spalling conditions and will include single junction photovoltaic device data.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-iii-v-photovoltaic-substrate-reuse-using-fracture/
LOCATION:PA
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
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