Zobrazeno 1 - 10
of 278
pro vyhledávání: '"Afzal Suleman"'
Autor:
Karolina Valente, Geneviève N. Boice, Cameron Polglase, Roman G. Belli, Elaina Bourque, Afzal Suleman, Alexandre Brolo
Publikováno v:
Pharmaceutics, Vol 16, Iss 8, p 1016 (2024)
pH-responsive hydrogels have numerous applications in tissue engineering, drug delivery systems, and diagnostics. Gelatin methacryloyl (GelMA) is a biocompatible, semi-synthetic polymer prepared from gelatin. When combined with aqueous solvents, GelM
Externí odkaz:
https://doaj.org/article/def40b7180084070b120bcfed9dbc997
Publikováno v:
Journal of Composites Science, Vol 8, Iss 4, p 124 (2024)
Lattice structures are becoming an increasingly attractive design approach for the most diverse engineering applications. This increase in popularity is mainly due to their high specific strength and stiffness, considerable heat dissipation, and rela
Externí odkaz:
https://doaj.org/article/35ccabc426a24ab28d53b30eef12b8b0
Publikováno v:
Applied Sciences, Vol 14, Iss 6, p 2384 (2024)
Accounting for aeroelastic phenomena, such as flutter, in the conceptual design phase is becoming more important as the trend toward increasing the wing aspect ratio forges ahead. However, this task is computationally expensive, especially when utili
Externí odkaz:
https://doaj.org/article/c395dadd014041e0bc0fe9e9e3e1315f
Autor:
Alain Souza, Paulo Teixeira Gonçalves, Frederico Afonso, Fernando Lau, Nuno Rocha, Afzal Suleman
Publikováno v:
Journal of Composites Science, Vol 8, Iss 3, p 109 (2024)
A multidisciplinary design optimisation (MDO) study of a hybrid rocket launcher is presented, with a focus on quantifying the impact of using composite overwrapped pressure vessels (COPVs) as the oxidiser tank. The rocket hybrid propulsion system (RH
Externí odkaz:
https://doaj.org/article/d1c1d43895e6408695bcd1ba642dec0b
Autor:
Maria Coutinho, Frederico Afonso, Alain Souza, David Bento, Ricardo Gandolfi, Felipe R. Barbosa, Fernando Lau, Afzal Suleman
Publikováno v:
Aerospace, Vol 10, Iss 9, p 745 (2023)
The electrification of an aircraft’s propulsive system is identified as a potential solution towards a lower carbon footprint in the aviation industry. One of the effects of increased electrification is the generation of a large amount of waste hea
Externí odkaz:
https://doaj.org/article/8987bf71c4394ed58f812b2cfe27cf59
Publikováno v:
Aerospace, Vol 10, Iss 2, p 113 (2023)
Life without mobility is inconceivable. To enable this connectivity, one must find a way to progress towards a more sustainable transportation. In the aviation industry, a comprehensive understanding of greening technologies such as electrification o
Externí odkaz:
https://doaj.org/article/c3075a0ff2174818925c6adaa1f35168
Publikováno v:
Fluids, Vol 7, Iss 11, p 353 (2022)
Hypersonic flight has been the subject of numerous research studies during the last eight decades. This work aims to optimize the aerodynamic performance of a two-dimensional baseline airfoil (NACA0012) at distinct flight regimes from subsonic to hyp
Externí odkaz:
https://doaj.org/article/2d2c9f91d4d14a909ebf66ed526c3722
Autor:
Éder Oliveira, Abdolrasoul Sohouli, Frederico Afonso, Roberto Gil Annes da Silva, Afzal Suleman
Publikováno v:
Machines, Vol 10, Iss 5, p 374 (2022)
In this paper, a dynamic scaling methodology is introduced to devise reduced scaled models of aircraft with the objectives of minimizing the development cost and exploring the design space. A promising way to accomplish this is using Topology Optimiz
Externí odkaz:
https://doaj.org/article/b43af3e567ca4cdc929311e731081a8e
Publikováno v:
Journal of Composites Science, Vol 6, Iss 2, p 64 (2022)
Variable stiffness composite laminates can improve the structural performance of composite structures by expanding the design space. This work explores the application of variable stiffness laminated composite structures to maximize the fundamental f
Externí odkaz:
https://doaj.org/article/10aa2a806a544334a5d346cb72bf2910
Publikováno v:
Journal of Composites Science, Vol 5, Iss 12, p 324 (2021)
Automated Fiber Placement (AFP) machines can manufacture composite panels with curvilinear fibers. In this article, the critical buckling load of grid-stiffened curvilinear fiber composite panels is maximized using a genetic algorithm. The skin is co
Externí odkaz:
https://doaj.org/article/fe2e8787d5c14775bcfbf26be865797d