Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Radu Cimpeanu"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract The interface dynamics of a droplet impacting onto a liquid pool has been well studied, and the common interfacial velocity quantified for the cases when the pool is both the same and a different fluid to the impacting droplet. In this work
Externí odkaz:
https://doaj.org/article/00323325ea204b388c1185510b6da684
Autor:
Ben D. Fudge, Radu Cimpeanu, Arnaud Antkowiak, J. Rafael Castrejón-Pita, Alfonso A. Castrejón-Pita
Droplet impactonto liquid pools is a canonical scenario relevant to numerous natural phenomena and industrial processes. However, despite their ubiquity,multi-fluid systemswith the drop and pool consisting ofdifferent liquidsare far less well underst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4df4f9ed3c78994bd86aa18ca30499e9
https://ora.ox.ac.uk/objects/uuid:63616568-82e0-496c-9659-3aefc7defba9
https://ora.ox.ac.uk/objects/uuid:63616568-82e0-496c-9659-3aefc7defba9
A robust control scheme is derived and tested for the Navier-Stokes equations for two-dimensional multiphase flow of a thin film underneath an inclined solid surface. Control is exerted via the use of an electrode parallel to the substrate, which ind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::776c456ab59cfd8d36d574d0796f7661
http://arxiv.org/abs/2207.12019
http://arxiv.org/abs/2207.12019
When a drop impacts onto a pool of another liquid, the common interface will move down at a well-defined speed for the first few milliseconds. While simple mechanistic models and experiments with the same fluid used for the drop and pool have predict
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a76c120d7bc8b5fcacb6a9bc5051c576
http://wrap.warwick.ac.uk/160273/7/WRAP-dipping-into-new-pool-the-interface-dynamics-drops-impacting-different-liquid-Cimpeanu-2021.pdf
http://wrap.warwick.ac.uk/160273/7/WRAP-dipping-into-new-pool-the-interface-dynamics-drops-impacting-different-liquid-Cimpeanu-2021.pdf
Autor:
Radu Cimpeanu, Yousef Daneshbod, Qingxia Li, Pejman Sanaei, Pavel Dubovski, Ali Nadim, Marina Chugunova
Understanding of liquid droplets dynamics in gas channels is critical for improvement of performance and durability of the catalysts made of a dense porous material. This report describes a mathematical model for studying how different surface proper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b8ab6d184c34eb23e26eead53039cf3
https://doi.org/10.33774/miir-2021-346g5
https://doi.org/10.33774/miir-2021-346g5
Autor:
Rachael Warrington, Radu Cimpeanu, Francesco Broggi, Victoria Pereira, Sami C. Al-Izzi, Robert Gowers, John Ockendon, Davin Lunz, Matthew Moore, James Sprittles, Lloyd Connellan, Mat Hunt
Flat fan nozzles atomize crop protection products, breaking them into droplets. Droplet size matters - smaller droplets give better perfor- mance, but very small droplets drift. We want to use mathematical models to better understand how liquid prope
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ddc8cd9dd3d58f80a52832a651843358
https://doi.org/10.33774/miir-2021-l3s5b
https://doi.org/10.33774/miir-2021-l3s5b
The high-speed impact of a droplet onto a flexible substrate is a highly nonlinear process of practical importance which poses formidable modelling challenges in the context of fluid-structure interaction. We present two approaches aimed at investiga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::848d05bb3d72aebdce3001ce6270e448
http://wrap.warwick.ac.uk/148466/7/WRAP-Droplet-impact-spring-supported-plate-2021.pdf
http://wrap.warwick.ac.uk/148466/7/WRAP-Droplet-impact-spring-supported-plate-2021.pdf
Autor:
Paul A. Milewski, Carlos A. Galeano-Rios, Isabelle A. Bauman, Annika MacEwen, Radu Cimpeanu, Daniel Harris
Publikováno v:
Galeano-Rios, C A, Cimpeanu, R, Bauman, I A, MacEwen, A, Milewski, P A & Harris, D M 2021, ' Capillary-scale solid rebounds : Experiments, modelling and simulations ', Journal of Fluid Mechanics, vol. 912, A17 . https://doi.org/10.1017/jfm.2020.1135
A millimetre-size superhydrophobic sphere impacting on the free surface of a quiescent bath can be propelled back into the air by capillary effects and dynamic fluid forces, whilst transferring part of its energy to the fluid. We report the findings
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4f7d47a8b8bdac55afacf19c78031a0
https://purehost.bath.ac.uk/ws/files/219193687/_77_Bouncing_Sphere_Accepted_Version.pdf
https://purehost.bath.ac.uk/ws/files/219193687/_77_Bouncing_Sphere_Accepted_Version.pdf
When a horizontal cylinder is placed on a vertically moving belt coated with a thin layer of viscous fluid, experiments reveal that, at a specific belt velocity, the cylinder can be levitated at a fixed height while rotating around its own axis at an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2ab6819f78366ef70d98f559a263422
https://doi.org/10.1017/jfm.2021.284
https://doi.org/10.1017/jfm.2021.284
The ability to robustly and efficiently control the dynamics of nonlinear systems lies at the heart of many current technological challenges, ranging from drug delivery systems to ensuring flight safety. Most such scenarios are too complex to tackle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d143942cb1376b5edf0ea91217fd92ca
http://hdl.handle.net/10044/1/103453
http://hdl.handle.net/10044/1/103453