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Akademický článek

Finite-element method for the analysis of surface stress concentration factor and relative stress gradient for machined surfaces

Autor: G. Xu, Z. Qiao, S. Wu, T. Liu, M. Zhao, G. Wang

Publikováno v: Mechanical Sciences, Vol 14, Pp 451-461 (2023)

Surface topography is an important parameter for evaluating the quality of surface machining, and the stress concentrations produced at notches can have a profound effect on the fatigue life of notched components. The stress concentration factor (SCF

Externí odkaz: https://doaj.org/article/45557aad6dde4030b0ce6819bd581057

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Akademický článek

Identifying gravity waves launched by the Hunga Tonga–Hunga Ha′apai volcanic eruption in mesosphere/lower-thermosphere winds derived from CONDOR and the Nordic Meteor Radar Cluster

Autor: G. Stober, A. Liu, A. Kozlovsky, Z. Qiao, W. Krochin, G. Shi, J. Kero, M. Tsutsumi, N. Gulbrandsen, S. Nozawa, M. Lester, K. Baumgarten, E. Belova, N. Mitchell

Publikováno v: Annales Geophysicae, Vol 41, Pp 197-208 (2023)

The Hunga Tonga–Hunga Ha′apai volcano eruption was a unique event that caused many atmospheric phenomena around the globe. In this study, we investigate the atmospheric gravity waves in the mesosphere/lower-thermosphere (MLT) launched by the volc

Externí odkaz: https://doaj.org/article/4766351e65924f06bf1931e733531029

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Akademický článek

Meteor radar vertical wind observation biases and mathematical debiasing strategies including the 3DVAR+DIV algorithm

Autor: G. Stober, A. Liu, A. Kozlovsky, Z. Qiao, A. Kuchar, C. Jacobi, C. Meek, D. Janches, G. Liu, M. Tsutsumi, N. Gulbrandsen, S. Nozawa, M. Lester, E. Belova, J. Kero, N. Mitchell

Publikováno v: Atmospheric Measurement Techniques, Vol 15, Pp 5769-5792 (2022)

Meteor radars have become widely used instruments to study atmospheric dynamics, particularly in the 70 to 110 km altitude region. These systems have been proven to provide reliable and continuous measurements of horizontal winds in the mesosphere an

Externí odkaz: https://doaj.org/article/441a7e5c7e894dafbabf273e26fe8f9b

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Akademický článek

Atmospheric tomography using the Nordic Meteor Radar Cluster and Chilean Observation Network De Meteor Radars: network details and 3D-Var retrieval

Autor: G. Stober, A. Kozlovsky, A. Liu, Z. Qiao, M. Tsutsumi, C. Hall, S. Nozawa, M. Lester, E. Belova, J. Kero, P. J. Espy, R. E. Hibbins, N. Mitchell

Publikováno v: Atmospheric Measurement Techniques, Vol 14, Pp 6509-6532 (2021)

Ground-based remote sensing of atmospheric parameters is often limited to single station observations by vertical profiles at a certain geographic location. This is a limiting factor for investigating gravity wave dynamics as the spatial information

Externí odkaz: https://doaj.org/article/49bbaed7924a43a9995188db55f5f69d

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Multidirectional Human-in-the-Loop Balance Robotic System

Autor: Calvin Z. Qiao, Amin M. Nasrabadi, Reza Partovi, Paul Belzner, Calvin Kuo, Lyndia C. Wu, Jean-Sébastien Blouin

Publikováno v: IEEE Robotics and Automation Letters. 8:3948-3955

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80c7236456580e5b96bbe4afdb6da475
https://doi.org/10.1109/lra.2023.3264199

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Akademický článek

Feasibility study: investigation of car park-based V2G services in the UK central hub

Autor: D. Strickland, T. Embley, J. Osborne, J. Yang, Z. Qiao, A. Malhotra, A. Corliss, K. Ashworth

Publikováno v: The Journal of Engineering (2019)

The increasing uptake of electric vehicles, and the established practice of long-term parking at stations and airports, offers an opportunity to develop a flexible approach to help with the energy storage dilemma. This paper investigates the feasibil

Externí odkaz: https://doaj.org/article/85bd08335ad94f658c01887b84f1ffd9

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