Zobrazeno 1 - 10
of 126
pro vyhledávání: '"J. Michael Owen"'
Autor:
Nancy L. Chabot, Andrew S. Rivkin, Andrew F. Cheng, Olivier S. Barnouin, Eugene G. Fahnestock, Derek C. Richardson, Angela M. Stickle, Cristina A. Thomas, Carolyn M. Ernst, R. Terik Daly, Elisabetta Dotto, Angelo Zinzi, Steven R. Chesley, Nicholas A. Moskovitz, Brent W. Barbee, Paul Abell, Harrison F. Agrusa, Michele T. Bannister, Joel Beccarelli, Dmitriy L. Bekker, Megan Bruck Syal, Bonnie J. Buratti, Michael W. Busch, Adriano Campo Bagatin, Joseph P. Chatelain, Sidney Chocron, Gareth S. Collins, Luca Conversi, Thomas M. Davison, Mallory E. DeCoster, J. D. Prasanna Deshapriya, Siegfried Eggl, Raymond C. Espiritu, Tony L. Farnham, Marin Ferrais, Fabio Ferrari, Dora Föhring, Oscar Fuentes-Muñoz, Igor Gai, Carmine Giordano, David A. Glenar, Edward Gomez, Dawn M. Graninger, Simon F. Green, Sarah Greenstreet, Pedro H. Hasselmann, Isabel Herreros, Masatoshi Hirabayashi, Marek Husárik, Simone Ieva, Stavro L. Ivanovski, Samuel L. Jackson, Emmanuel Jehin, Martin Jutzi, Ozgur Karatekin, Matthew M. Knight, Ludmilla Kolokolova, Kathryn M. Kumamoto, Michael Küppers, Fiorangela La Forgia, Monica Lazzarin, Jian-Yang Li, Tim A. Lister, Ramin Lolachi, Michael P. Lucas, Alice Lucchetti, Robert Luther, Rahil Makadia, Elena Mazzotta Epifani, Jay McMahon, Gianmario Merisio, Colby C. Merrill, Alex J. Meyer, Patrick Michel, Marco Micheli, Alessandra Migliorini, Kate Minker, Dario Modenini, Fernando Moreno, Naomi Murdoch, Brian Murphy, Shantanu P. Naidu, Hari Nair, Ryota Nakano, Cyrielle Opitom, Jens Ormö, J. Michael Owen, Maurizio Pajola, Eric E. Palmer, Pasquale Palumbo, Paolo Panicucci, Laura M. Parro, Jason M. Pearl, Antti Penttilä, Davide Perna, Elisabeta Petrescu, Petr Pravec, Sabina D. Raducan, K. T. Ramesh, Ryan Ridden-Harper, Juan L. Rizos, Alessandro Rossi, Nathan X. Roth, Agata Rożek, Benjamin Rozitis, Eileen V. Ryan, William H. Ryan, Paul Sánchez, Toni Santana-Ros, Daniel J. Scheeres, Peter Scheirich, Cem Berk Senel, Colin Snodgrass, Stefania Soldini, Damya Souami, Thomas S. Statler, Rachel Street, Timothy J. Stubbs, Jessica M. Sunshine, Nicole J. Tan, Gonzalo Tancredi, Calley L. Tinsman, Paolo Tortora, Filippo Tusberti, James D. Walker, C. Dany Waller, Kai Wünnemann, Marco Zannoni, Yun Zhang
Publikováno v:
The Planetary Science Journal, Vol 5, Iss 2, p 49 (2024)
NASA's Double Asteroid Redirection Test (DART) mission was the first to demonstrate asteroid deflection, and the mission's Level 1 requirements guided its planetary defense investigations. Here, we summarize DART's achievement of those requirements.
Externí odkaz:
https://doaj.org/article/0a519bcd35754cc49681152142d32c4f
Autor:
Hui Tang, GeonHwan Cho, Mario Patinios, James A. Scobie, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Publikováno v:
Aerospace, Vol 6, Iss 5, p 49 (2019)
Ingress is the penetration of a hot mainstream gas in a turbine annulus through the rim seal into the wheel-space between the rotating turbine disc (the rotor) and the adjacent stationary casing (the stator). Purge flow is used to prevent or reduce i
Externí odkaz:
https://doaj.org/article/9895a2249d4c4f709f07eba44ce9ec3c
Autor:
J. Michael Owen
Publikováno v:
Propulsion and Power Research, Vol 1, Iss 1, Pp 1-11 (2012)
The rim seals of gas turbines are used to prevent or reduce the ingestion of hot mainstream gas into the wheel-space between the turbine rotor and its adjacent stationary casing. The ingestion is caused by local pressure differences between the mains
Externí odkaz:
https://doaj.org/article/40e31ceb0dab42308faec595712f514a
Publikováno v:
Aerospace, Vol 5, Iss 1, p 32 (2018)
Increasing pressures in gas-turbine compressors, particularly in aeroengines where the pressure ratios can be above 50:1, require smaller compressor blades and an increasing focus on blade-clearance control. The blade clearance depends on the radial
Externí odkaz:
https://doaj.org/article/8d40b2f34d494b7c85a743ff24112629
Autor:
Hui Tang, J. Michael Owen
Publikováno v:
Tang, H & Owen, J M 2023, ' Plume Model for Buoyancy-Induced Flow and Heat Transfer in Closed Rotating Cavities ', Journal of Turbomachinery, vol. 145, no. 1, 011005 . https://doi.org/10.1115/1.4055449
The radial clearance between the rotating blades and stationary casing of a gas turbine compressor depends on the radial growth of the rotating discs to which the blades are attached, and this growth depends on the buoyancy-induced flow and heat tran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4cad4326f57b3700a84863099c2182c
https://purehost.bath.ac.uk/ws/files/246042436/turbo_22_1169.pdf
https://purehost.bath.ac.uk/ws/files/246042436/turbo_22_1169.pdf
Autor:
Gary D. Lock, Richard W. Jackson, Mikolaj Pernak, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Hui Tang, James A. Scobie
Publikováno v:
Lock, G, Jackson, R, Pernak, M, Pountney, O, Sangan, C, Owen, J M, Tang, H & Scobie, J 2023, ' Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors ', Journal of Turbomachinery, vol. 145, no. 1, 011008 . https://doi.org/10.1115/1.4055448
The radial growth of compressor discs is strongly influenced by conjugate heat transfer between conduction in the co-rotating discs and buoyancy-driven convection in the rotating fluid core between the discs. An accurate prediction of metal temperatu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d52073bb19951a787723897ca695e3fc
https://purehost.bath.ac.uk/ws/files/246042793/turbo_22_1170.pdf
https://purehost.bath.ac.uk/ws/files/246042793/turbo_22_1170.pdf
Autor:
J. Michael Owen, David S. P. Dearborn, Megan Bruck Syal, R. Managan, Cody Raskin, Patrick K. King
Publikováno v:
Acta Astronautica. 188:367-386
Diverting hazardous small bodies on impact trajectories with the Earth can in some circumstances be impossible without risking disrupting them. Disruption is a much more difficult planetary defense scenario to assess, being linked both to the respons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::953f8d6b9e8f4b31473c38c40893f16c
https://doi.org/10.1016/j.actaastro.2021.07.034
https://doi.org/10.1016/j.actaastro.2021.07.034
Publikováno v:
International Journal of Impact Engineering. :104670
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd88d16c4473eebaf0b46b3f53054aca
https://doi.org/10.1016/j.ijimpeng.2023.104670
https://doi.org/10.1016/j.ijimpeng.2023.104670
Autor:
Hui Tang, James A. Scobie, Gary D. Lock, Carl M. Sangan, Dario Luberti, Mario Patinios, Oliver J. Pountney, J. Michael Owen
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy. 235:1806-1816
A thermopile, in which a number of thermocouple junctions are arranged on either side of a thin layer of insulation, is commonly used to determine the heat flux for steady-state measurements. Gauges using this method are available commercially and a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5311b1d7e6c8da0b42a423f959fcdb5
https://doi.org/10.1177/0957650920982103
https://doi.org/10.1177/0957650920982103
Publikováno v:
SSRN Electronic Journal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d7c6cacc8a33b52a4dbc80fe4cc1df6
https://doi.org/10.2139/ssrn.4034435
https://doi.org/10.2139/ssrn.4034435