Past Events – Mechanical and Aerospace Engineering Past Events – Mechanical and Aerospace Engineering

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October 2020

Seminar: Understanding upper limb injury and function through integrated musculoskeletal modeling

October 23, 2020 @ 10:00 am - 11:00 am

Abstract:  Abstract: Understanding clinical movement dysfunction and designing effective rehabilitation is challenging due to multiple concurrent structural tissue changes, injuries, or treatments, which obscure the effects of isolated changes on outcomes. Further, identifying individuals most at risk for poor outcome or reinjury may be challenging due to variability within the population. Because the primary drivers of poor outcomes are unclear, there is a lack of consistent guidelines for clinicians regarding treatment timing and highly variable functional outcomes following treatment. This presentation…

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SEMINAR: Understanding and Engineering Thermal Transport in Materials

October 30, 2020 @ 10:00 am - 11:00 am

Abstract: The release and absorption of energy is fundamental to all applications. Managing the ensuing heat flow involves selecting a material that possesses an appropriate thermal conductivity, either high or low. Obtaining such thermal conductivity in the face of other design requirements can be exceedingly difficult and often limits device performance. In this talk, I will focus on advances in materials with tailored thermal conductivity and enhanced understanding of the underlying transport behavior in such materials. First, I will show…

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November 2020

SEMINAR: Heat Transfer Studies for Gas Turbine Hot Gas Path Components

November 6, 2020 @ 10:00 am - 11:00 am

ABSTRACT: Gas turbine hot section components are being pushed to the limit with every increasing combustion firing temperatures and improved expectations of life and durability. Gas path components inside gas turbines see some of the harshest conditions including high pressure and temperatures. It is imperative that heat transfer plays a major role in the evaluation and survival of these components. An overview of the challenges in gas turbine heat transfer measurements and design of cooling systems will be discussed in…

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January 2021

SEMINAR: On a new field theory formulation and a space-time adjustment that predict the same precession of Mercury and the same bending of light as general relativity

January 29 @ 10:00 am - 11:00 am

Abstract: This article introduces a new field theory formulation. The new field theory formulation recognizes vector continuity as a general principle and begins with a field that satisfies vector continuity equations. Next, independent of the new formulation, this article introduces a new space-time adjustment. Then, we solve the one-body gravitational problem by applying the space-time adjustment to the new field theory formulation. With the space-time adjustment, the new formulation predicts precisely the same precession of Mercury and the same bending…

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February 2021

SEMINAR: Mechanically-coupled Properties in Two-dimensional Van der Waals Materials

February 12 @ 10:00 am - 11:00 am

Abstract: Many mechanical deformations, such as buckling, crumpling, wrinkling, collapsing, and delamination, are usually considered as threats to mechanical integrity and are avoided or reduced in the traditional design of materials and structures. My work goes against these conventions by tailoring such mechanical instabilities to create new functional morphologies. We use ultralow bending stiffness and semiconducting properties of atomically-thin van der Waals (vdW) materials to enable emerging mechanically-coupled properties and device-level multi-functionalities that extend beyond those of bulk material systems.…

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SEMINAR: Novel Propulsion Concepts for Sustainable Aviation

February 26 @ 10:00 am - 11:00 am

Abstract: Aviation is at the crossroads: Before the Covid-19 pandemic we were struggling with crowded flight corridors across Europe, in Asia and in the Americas, as well between the different continents in parallel to trying to mitigate the climate impact of aviation. The future of aviation is likely to include a range of technologies trying to mitigate these challenges. Regarding the climate impact of aviation all-electric aircraft, conventional aircraft running on alternative or bio jet fuels, and cryoplanes have all…

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