Category: Past Seminars

 

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Strategies for tackling the computational cost of modeling reacting fluids and related problems
Published: January 19, 2023

Abstract: Accurate simulations of combustion and reacting fluid flows require complex, multi-step chemical kinetic models for describing the coupled chemical reactions. These models are often large and mathematically stiff, and contribute to the overall high computational expense of simulating practical phenomena relevant to energy, transportation, and aerospace applications. In this talk, I will introduce these […]

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Notes from a dissertation study on using Kansei Engineering methodology in Product Design Process
Published: January 16, 2023

Abstract: Kansei Engineering (KE) is a method designed by Mitsuo Nagamachi in the 1980s to translate consumers’ feelings and perceptions of a product (Kansei) into design elements. Its applications are used for new product development cases commonly in the automotive, construction machinery, electric home appliances, office machinery, house construction, costume and cosmetic industries (Nagamachi, 2002).  […]

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Electro-Chemo-Mechanics in Solid-State Batteries
Published: November 14, 2022

Abstract: The future of e-mobility, including electric vehicles, aircraft, ships, depends on the innovation of battery technology today. Since the energy density of conventional lithium (Li)-ion battery cells with graphite and metal oxides electrodes is limited to about 300 Wh/kg at the cell level, “next-generation batteries” such as the Li-metal all-solid-state batteries (Li-ASSBs) are demanded. […]

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A Focused Entrepreneurial Journey
Published: November 8, 2022

Abstract: A story about how focus led Brian into mechanical engineering, the field of design, and the various journeys that these foundations led to. This includes the design of such wide ranging products as automated cow milking systems, combustion engines and table saw safety systems. It also includes starting a company with the added challenge […]

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Gas-Phase Ion separation using Ion Mobility Spectrometry. Interlacing the past, present, and future.
Published: November 7, 2022

Abstract: Due to recent advances in resolution and sensitivity, Ion/Electrical Mobility (IM) has become a ubiquitous tool in Aerosol Science and Analytical Chemistry. Its ability to aid in the separation of gas phase analytes now rivals some of the most employed techniques such as liquid chromatography and gas chromatography and recent Mass Spectrometers regularly have […]

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Panel Discussion with ME Faculty
Published: October 25, 2022

Three ME faculty will join us for a panel discussion about successfully navigating graduate school and applying this knowledge to your career or start-up. Come and learn about their graduate experiences and ask questions. Prof. SeungYeon Kang joined the Department of Mechanical Engineering in 2021 as an Assistant Professor. She earned her B.S. in Chemical […]

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Mechanics of Redox Active Materials
Published: October 25, 2022

Abstract: This talk focuses on the interplay of mechanics with chemical reactions across multiple scales in redox active materials. I will use battery materials to introduce how electrochemistry induces deformation, stresses, and mechanical damage, and how mechanical stresses regulate charge transfer, mass diffusion, capacity, and voltage. I will introduce the customized operando nanoindentation and its […]

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High resolution nanoparticle size determination by vapor condensation and the verification of classical heterogeneous nucleation theory
Published: September 30, 2022

Abstract: The phenomenon of heterogeneous nucleation in the gas phase is briefly introduced, as well as a related instruments referred to as a condensation particle counter (CPCs). CPCs are widely used to detect single nanometer particles and molecular ions, by growing them into visible sizes. We review prior use of sheathed CPCs, where nanoparticles are […]

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From Many-Body Quantum Systems to Classical Fluids: Quantum- Ready and Quantum-Inspired CFD
Published: September 30, 2022

Abstract: Within the past decade, significant progress has been made in using quantum computing (QC)  for solving classical problems. In this talk, an overview is made of the ways by which QC has shown promise for fluid dynamics and combustion research. This is via both quantum-ready and quantum-inspired algorithms. The former deals with problems that […]

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Functionality through multistability: from soft robots to deployable structures
Published: September 30, 2022

Abstract: Inflating a rubber balloon leads to a dramatic shape change: a property that is exploited in the design of soft robots and deployable structures. On the one hand, fluid-driven actuators capable of complex motion can power highly adaptive and inherently safe soft robots. On the other hand, inflation can be used to transform seemingly […]

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Growth and morphogenesis of confined bodies
Published: September 14, 2022

Abstract: Natural phenomena, such as growth, instability, and failure, can be highly dependent upon activation of stochastic mechanisms at the microscale, such as the existence of microscopic imperfections, the action of molecular motors, and the diffusion of constituents. Yet, at the macroscale, astonishing order is often observed. In this talk, I will discuss our recent […]

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Dynamics of Flow Past Shark-Inspired Textured Surfaces
Published: September 14, 2022

Abstract: Skin of fast swimming shark species such as Mako are packed with overlapping micro-scale denticles where each denticle is covered with 3-7 ribs. These textures allow sharks to swim faster than other animals in the ocean. Inspired by this capability, two-dimensional symmetric and periodic textures have been considered for the purpose of drag control […]

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Dielectric elastomer artificial muscles – bridging the gap to applications
Published: August 16, 2022

Abstract: Soft robotics aims to develop technological tools to allow people to interact more closely with machines, in a range of settings, from manufacturing, to healthcare, and even our homes. Dielectric elastomer actuators (DEAs) are compliant capacitors which can directly convert an electrical input into mechanical work. DEAs hold the promise of muscle-like behavior, as […]

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Additive Manufacturing – The New Revolution
Published: April 27, 2022

http://s.uconn.edu/meseminar05.13.22 Abstract: In this seminar, Changjie will give an overview of GE Research first, followed by discussion of additive manufacturing. On the additive manufacturing, he will cover additive designs, additive digital tools, additive process monitoring and control, additive supply chain, and additive applications. He welcomes any individual discussions after the seminar. Biographical Sketch: Changjie Sun […]

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NSF EDSE: Forging New Directions for Design Research
Published: April 21, 2022

http://s.uconn.edu/meseminar05.06.22 Abstract: In this overview of the Engineering Design & Systems Engineering (EDSE) Program at the National Science Foundation, NSF Program Director Kathryn Jablokow will highlight core themes of the program and new opportunities relevant to the engineering design and systems design communities, along with a few key principles for successful proposal writing. In addition, […]

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Translating Brain Computer Interfaces: are we reaching an inflection point towards wide spread patient use?
Published: April 11, 2022

http://s.uconn.edu/meseminar04.29.22 Abstract: Implantable Brain Computer Interfaces appear to be heading towards an inflection point: in the past decade the number and frequency of major technological advances and first in human demonstrations of new capabilities has started increasing significantly. The first generations of commercially available products appear to be imminent. They have the potential to become […]

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Wave propagation in meta-structures: beyond conventional limitations
Published: April 11, 2022

http://s.uconn.edu/meseminar4.22.22 Abstract: Meta-structures are artificially engineered structures designed to exhibit properties not found in conventional materials. By careful design, one can obtain unprecedented control over various physical properties. Examples in mechanics includes structures having unique static and dynamic properties like negative Poisson’s ratio, zero shear modulus and non-reciprocal wave propagation.  Waveguides transporting energy and information […]

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Make Your Research Matter: Tips From the Editor-in-Chief
Published: March 24, 2022

http://s.uconn.edu/meseminar04.01.22 Abstract: Matter (https://www.cell.com/matter) is a new materials science journal from Cell Press (our first issue was July ‘19). Matter is the third offering in the physical sciences from Cell Press, after the successful launches of Chem (2016) and Joule (2017), and an expanding physical sciences portfolio. Our goal is to provide a high impact […]

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Breaking Boundaries in Advanced Manufacturing Processes
Published: March 21, 2022

http://s.uconn.edu/meseminar4.8.22 Abstract: Overcoming endemic limitations of existing manufacturing processes can have long lasting socio-economic impacts. I will focus on three innovations that have such an impact. First, I will discuss our work on Intense Pulsed Light Sintering of nanoparticles. I will show how this process alleviates the scalability, damage, and device performance limitations that plague […]

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Two-Phase Heat Transfer in Enhanced Microgaps
Published: March 21, 2022

http://s.uconn.edu/meseminar4.15.22 Abstract: Two-phase internal flows in microgaps with passage hydraulic diameters of 100 um – 1,000 um are of interest in three-dimensional heterogeneous electronics, transport electrification, and portable microsystems.  To enhance heat transfer coefficients in these configurations, structured surfaces are often employed.  Understanding of two-phase flow and thermal transport in such configurations continues to be […]

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