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Lightning Talks: Meet Our Faculty Three MEAM faculty will present their research. Come and learn about their exciting research, ask questions, and learn about research opportunities Prof. Hongyi Xu joined the University of Connecticut in February 2019 as an Assistant Professor in Mechanical Engineering. His research interests include Computational Design and Deep Generative Design of Microstructures and Structures, Design for […] Categories: Past Seminars |
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Droplets under Extreme Conditions: A shocking story Abstract I will first present a portable setup to generate shock waves using the exploding wire technique. Subsequently, I will showcase how droplets of various kinds (liquid metal, water, and polymeric liquids) interact and breakup in the shock wave and associated flow. I will also show the various instabilities that develop prior to breakup that […] Categories: Past Seminars |
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Mechanistic Interactions at Scale in Energy Storage Abstract: Advances in electrical energy storage systems are critical for vehicle electrification, renewable energy integration into the electric grid, and electric aviation. Recent years have witnessed an urgent need to accelerate innovation toward realizing improved and safe utilization of high energy and power densities, for example, in lithium-ion and advanced battery chemistries. These are complex, […] Categories: Past Seminars |
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On the Unsteady Interaction between Turbulence and Structures/Canopies Abstract: The characterization and quantification of the coupling between flow and flexible structures and dominant oscillation modes remain open problems. Environmental science, energy, structural design, and locomotion applications require a comprehensive understanding of these phenomena. Canopy flows, encompassing extensive arrays of rigid or flexible structures, hold significant interest. Ubiquitous in natural environments and spanning multiple […] Categories: Past Seminars |
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From physics to machine learning and back: Applications to fault diagnostics and prognostics Abstract: Deep learning approaches have become crucial tools across numerous engineering domains. However, they face various challenges, as they typically depend on representative data and large training datasets. Conversely, condition monitoring data for complex systems often lacks labels and representativeness, posing significant challenges for purely data-driven approaches. Additionally, deep learning models generally struggle in extrapolation […] Categories: Past Seminars |
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Two-Phase Transport in Proton Exchange Membrane Fuel Cells Abstract: Water management is one of the most critical issues in proton exchange membrane fuel cells (PEMFCs). The water generated in catalyst layer as a product of the electrochemical reaction is mainly transported through porous media by diffusion if it’s vapor, or by capillarity in case of liquid. In flow channels, the liquid water is […] Categories: Past Seminars |
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Laser-Induced Spark Ignition in Rocket Engines Abstract: The 9-month journey home from Mars could begin with a 9 ns laser pulse. Ignition in rocket combustors is typically accomplished using a spark plug, a pyrotechnic charge, an injection of hypergolic fluid, or a hot gas torch. These methods involve significant mechanical complexity, increase the inert mass with ancillary subsystems, limit the potential […] Categories: Past Seminars |
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On-chip Microheaters for Programmable Phase-Change Photonics Abstract: Chalcogenide phase change materials (PCMs) have promising properties for photonic applications thanks to their nonvolatile and large refractive index modulation [1]. The last decade has seen a growing interest in such a combination of properties for a variety of nonvolatile programmable devices, such as metasurfaces, tunable filters, phase/amplitude modulators, color pixels, thermal camouflage, photonic […] Categories: Past Seminars |
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Aerosol Particles Beyond the Speed of Sound- Applications in Manufacturing, Space Flight, and Public Health Abstract: Aerosol particles are ever-present in both natural environments, and in engineered systems. In large part, control over aerosol particle transport hinges upon control of particle inertia, i.e. the propensity of particles to maintain a particular trajectory whilst the surrounding fluid moves in a distinct direction. Increasing the inertia of increasingly small particles typically involves […] Categories: Past Seminars |
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KeyShot in Action: A Gateway to Aesthetic Excellence in Engineering Design Abstract: In this talk, we’ll discuss how engineering students can utilize KeyShot to elevate the aesthetics and presentation of their concepts, increasing the likelihood their ideas will garner attention and be valued. Through an in-person demonstration, the Education Program Manager from KeyShot will illustrate just how quick and painless learning the industry-leading 3D-visualization software can […] Categories: Past Seminars |
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Data Sampling and Distillation for Neural Network Potentials Abstract: Multiscale modeling methods are typically envisioned as precise and predictive simulation tools to solve complex science and engineering problems. However, even conventional atomistic models often lack computational efficiency and accuracy, making them inadequate for providing reliable information for large-scale continuum models. In this seminar, I will discuss the developments aimed at overcoming these critical […] Categories: Past Seminars |
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Mathematical and Computational modelling of soft-tissue mechanobiology: application to aneurysms, osteoarthritis and bladder outlet obstruction. Abstract: Mathematical and computational modelling approaches can quantify the mechanics & mechanical environment of soft biological tissues under physiological and pathological loading. These tools can quantify ‘mechanical stimuli’ inputs to algorithms that control growth and remodelling (G&R) of the tissue to simulate adaptation to altered environmental conditions. In this talk, I will overview a rate-based […] Categories: Past Seminars |
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Novel Aerosol Measurement Techniques for Energy and Environmental Applications Abstract: Accumulating evidence suggests that the global climate is changing as a result of human activities, where fossil fuel combustion is a dominant contributor. To mitigate this problem, we need to make rapid progress in developing new fossil fuel combustion technologies and manufacturing advanced materials for sustainable energy utilization. In order to control the particle […] Categories: Past Seminars |
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Development of Scalable and Expeditious Additive Manufacturing (SEAM): A Solution to High Production Additive Manufacturing Abstract: For the past 40 years, metal additive manufacturing (AM) technologies with the capability of fabricating highly complex metal components with virtually no geometrical limitations, has enabled new opportunities in product designs and performance, reducing total cost and shortening lead time, improving material efficiency and creating more sustainable products. A significant attention and interest of […] Categories: Past Seminars |
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PLAYING WITH FLAMES AND FIRE FOR THE U.S. NAVY Abstract: Combustion research forms an integral part of supporting the U.S. Navy’s science and technology development efforts for fire characterization and suppression on vessels and land, developing new propulsion technologies, hazardous spill remediation, and a range of technology needs. Dr. Tuttle will share some of the more interesting work he has done and how research […] Categories: Past Seminars |
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Morphology, optical properties & climate impact of soot nanoparticles Abstract: Soot is a major air pollutant produced by incomplete combustion of hydrocarbon fuels. The contribution of soot to global warming is currently estimated with large uncertainty (partly) due to the fractal-like agglomerate structure of its constituent nanoparticles. Here, the dynamics of soot nanoparticles are investigated to advance our current understanding of particle formation during […] Categories: Past Seminars |
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Strategies to Incorporate Mechanics and Manufacturability in Topology Optimization Abstract: Recent decades have seen rapid development in all manufacturing technologies, including additive manufacturing (AM). This has raised the need for design methods to leverage the new, increasingly complex fabrication possibilities. Topology optimization has the potential to generate new high-performing design solutions since it is a free-form design method that does not require a preconceived […] Categories: Past Seminars |
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Adaptive robotic systems using embodied intelligence Abstract: Current robots are primarily rigid machines that exist in highly constrained or open environments such as factory floors, warehouses, or fields. There is an increasing demand for more adaptable, mobile, and flexible robots that can manipulate or move through complex environments. This problem is currently being addressed in two complementary ways: (i) learning and […] Categories: Past Seminars |
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Measurement of non-equilibrium in high-speed hydrogen jet flames using spontaneous Raman scattering Abstract: Mixing-induced vibrational non-equilibrium was studied in the turbulent shear layer between a high-speed jet and a surrounding hot-air co-flow. The vibrational and rotational temperatures of N2 and O2 were determined by fitting measured spontaneous Raman scattering spectra to a model that allows for different vibrational and rotational temperatures. The mixing of the jet fluid […] Categories: Past Seminars |
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Overview of Advanced Reactor Demonstration Support at Idaho National Laboratory and Modeling & Simulation Capabilities Abstract: Idaho National Laboratory (INL) is at the forefront of the nation’s advanced reactor R&D effort. Advanced reactor are a promising form of baseload carbon free energy generation and several studies are expecting them to play a critical part in US decarbonization plans. The seminar presentation will be divided in two parts. The first will […] Categories: Past Seminars |
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