Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Christos Papalexis"'
Autor:
Nikolina Nikolarea, Panteleimon Tzouganakis, Vasilios Gakos, Christos Papalexis, Antonios Tsolakis, Vasilios Spitas
Publikováno v:
Mathematical and Computational Applications, Vol 29, Iss 3, p 38 (2024)
This work introduces a 2D model that calculates power losses in coaxial magnetic gears (CMGs). The eddy current losses of the magnets are computed analytically, whereas the core losses of the ferromagnetic segments are computed using an analytical–
Externí odkaz:
https://doaj.org/article/2f2b3a1b75fd446ca228cf6897fdf613
Autor:
Panteleimon Tzouganakis, Vasilios Gakos, Christos Kalligeros, Christos Papalexis, Antonios Tsolakis, Vasilios Spitas
Publikováno v:
Computation, Vol 12, Iss 5, p 88 (2024)
Coaxial magnetic gears have piqued the interest of researchers due to their numerous benefits over mechanical gears. These include reduced noise and vibration, enhanced efficiency, lower maintenance costs, and improved backdrivability. However, their
Externí odkaz:
https://doaj.org/article/cb1838f6f18e42eaa6c1dac87b6912e8
Autor:
Christos Papalexis, Dimitrios Rakopoulos, Nikolaos Nikolopoulos, Alessandro Della Rocca, Guido Jochler, Oriana Tassa, Christos Kalligeros, Panteleimon Tzouganakis, Vasilios Spitas
Publikováno v:
Materials, Vol 16, Iss 22, p 7226 (2023)
This work is focused on the development of creep and stress relaxation models on Inconel 625 and Stainless Steel 310 materials for additive manufacturing. At the end, the operational lifespan of an industrial-scale additive manufactured recuperator i
Externí odkaz:
https://doaj.org/article/930bfdb9320c4a88943cb66e22e9e6dd
Autor:
Christos Papalexis, Dionisis Stefanitsis, Myrto Zeneli, Nikolaos Nikolopoulos, Panteleimon Tzouganakis
Publikováno v:
Energies, Vol 16, Iss 17, p 6156 (2023)
A proof of concept of a novel parallel-flow solid–solid heat exchanger consisting of two L-Valves with concentric vertical tubes, named as Double L-Valve, is presented for the case of the Carbonate Looping process, as a CO2 capture technology. The
Externí odkaz:
https://doaj.org/article/840a2344c77b4952b644469d94d060b7
Autor:
Panteleimon Tzouganakis, Christos Kalligeros, Christos Papalexis, Irene Koronaki, Georgios Antonakos, Vasilios Spitas
Publikováno v:
International Journal of Engine Research. 24:2739-2760
A novel numerical second order transient thermal model for beta-type Stirling engines (TTMS) was developed taking into account the transient heat transfer between the engine cylinder walls and pistons and the working gas in the expansion and compress
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ded5b9be33d964435f888585e98d579
https://doi.org/10.1177/14680874221132026
https://doi.org/10.1177/14680874221132026
Autor:
Evangelos Bellos, Petros Iliadis, Christos Papalexis, Renos Rotas, Ioannis Mamounakis, Vasileios Sougkakis, Nikos Nikolopoulos, Elias Kosmatopoulos
This paper investigates numerically the deep renovation of a multi-family building in Greece to reducedramatically its energy demand and also to incorporate renewable energy sources, rendering it a positive one;thus in position on an annual basis to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e618a841bdb17b87d9fadda1ebc1881
https://zenodo.org/record/7782163
https://zenodo.org/record/7782163
Autor:
Christos Kalligeros, Christos Papalexis, Georgios Vasileiou, Panteleimon Tzouganakis, Christos Spitas, Vasilios Spitas
Publikováno v:
Simulation Modelling Practice and Theory. 126:102757
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd9af646d87ae95a6587313338c4a300
https://doi.org/10.1016/j.simpat.2023.102757
https://doi.org/10.1016/j.simpat.2023.102757
Autor:
Evangelos Bellos, Petros Iliadis, Christos Papalexis, Renos Rotas, Nikos Nikolopoulos, Elias Kosmatopoulos, Christian Halmdienst
District heating is an efficient and promising way to cover the residential space-heating and domestic hot waterneeds, resulting in economic and environmental benefits, especially if operated by renewable power stations,when compared to fossil fuels.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6b902d8cd2cd3ba8d2c73937acdb584c
https://zenodo.org/record/7782173
https://zenodo.org/record/7782173
Autor:
Andreas Seitaridis, Ioannis Mamounakis, Nikolas Tagkoulis, Petros Iliadis, Evangelos Bellos, Christos Papalexis, Vasileios Sougakis, Nikos Nikolopoulos
Publikováno v:
IFIP Advances in Information and Communication Technology ISBN: 9783031083402
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed451740e01b8e47f9357790f0a8cc37
https://doi.org/10.1007/978-3-031-08341-9_18
https://doi.org/10.1007/978-3-031-08341-9_18
Autor:
Panteleimon Tzouganakis, Vasilios Gakos, Christos Kalligeros, Christos Papalexis, Antonios Tsolakis, Vasilios Spitas
Publikováno v:
MATEC Web of Conferences. 366:01004
Magnetic gears offer significant advantages such as low noise and vibration level, lower maintenance and higher reliability compared to mechanical gears and are suitable for many applications in the industry. The coaxial magnetic gear has been extens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bed1b23ee1093ae7ef0017740a767ee0
https://doi.org/10.1051/matecconf/202236601004
https://doi.org/10.1051/matecconf/202236601004