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3 results on '"de Lacy Costello, Ben"'

1. Mapping outcomes of liquid marble collisions

Author

Draper, Thomas C., Fullarton, Claire, Mayne, Richard, Phillips, Neil, Canciani, Giacomo E., De Lacy Costello, Ben P.J., and Adamatzky, Andrew

Subjects
Unconventional Computing Group, liquid marble, unconventional computing, microfluidics, coalescence control, weber number, high-speed photography, fluid dynamics
Abstract

© 2019 The Royal Society of Chemistry. Liquid marbles (LMs) have many promising roles in the ongoing development of microfluidics, microreactors, bioreactors, and unconventional computing. In many of these applications, the coalescence of two LMs is either required or actively discouraged, therefore it is important to study liquid marble collisions and establish parameters which enable the desired collision outcome. Recent reports on LM coalescence have focused on either two mobile LMs colliding, or an accelerating LM hitting a sessile LM with a backstop. A further possible scenario is the impact of a mobile LM against a non-supported static LM. This paper investigates such a collision, using high-speed videography for single-frame analysis. Multiple collisions were undertaken whilst varying the modified Weber number (We∗) and offset ratios (X∗). Parameter ranges of 1.0 < We∗ < 1.4 and 0.0 < X∗ < 0.1, resulted in a coalescence rate of approximately 50%. Whereas, parameter ranges X∗ > 0.25, and We∗ < 0.95 or We∗ > 1.55 resulted in 100% non-coalescence. Additionally, observations of LMs moving above a threshold velocity of 0.6 m s -1 have revealed a new and unusual deformation. Comparisons of the outcome of collisions whilst varying both the LM volume and the powder grain size have also been made, revealing a strong link. The results of this work provide a deeper understanding of LM coalescence, allowing improved control when designing future collision experiments.

Published
2019

2. The 42nd Symposium Chromatographic Methods of Investigating Organic Compounds : Book of abstracts

Author

Morlock, Gertrud, Vovk, Irena, Glavnik, Vesna, Jug, Urška, Metličar, Valentina, Albreht, Alen, Naumoska, Katerina, Łata, Eliza, Fulczyk, Agnieszka, Sajewicz, Mieczysław, Kowalska, Teresa, Schroeder, Grzegorz, Cegłowski, Michał, Silberring, Jerzy, Smoluch, Marek, Friedrich, Małgorzata, Latzke, Filip, Gawlik, Bartosz, Antoniewicz, Aleksandra, Persad, Raj, Barbas, Coral, Wanat, Karolina, Świderski, Krzysztof, Tozar, Tatiana, Gręda, Krzysztof, Pohl, Paweł, Jamróz, Piotr, Chrubasik, Maciej, Muzyka, Roksana, Pogoda, Małgorzata, Tarnowska, Justyna, Sajdak, Marcin, Witaszak, Natalia, Zięba, Katarzyna, Szostak, Elżbieta, Boni, Mihai, Szentgyörgyi, Hajnalka, Moos-Matysik, Agnieszka, Makowicz, Ewa, Jasicka-Misiak, Izabela, Kafarski, Paweł, Dębczak, Agnieszka, Hodurek, Paweł, Lalak-Kańczugowska, Justyna, Tyśkiewicz, Katarzyna, Rój, Edward, Konkol, Marcin, Udrea, Ana-Maria, Skalicka-Woźniak, Krystyna, Tomić, Jovana, Protić, Ana, Agbaba, Danica, Orzeł, Joanna, Stanimirova, Ivana, Waśkiewicz, Agnieszka, Prukała, Dorota, Gawlik, Maciej, Skibiński, Robert, Kocot, Karina, Costa, Sofia Santos, Kuban, Michalina, Jeruszka, Daria, Sitko, Rafał, Komsta, Łukasz, Wróbel, Joanna, Stępień, Łukasz, Gadowski, Sebastian, Skrzypiec, Karolina, Trawiński, Jakub, Świetlicka, Aleksandra, Jarzembek, Krystyna, Staicu, Angela, Dybał, Paulina, Kozik, Violetta, Jampilek, Josef, Bąk, Andrzej, Tarkowski, Radosław, Lipska, Katarzyna, Gumieniczek, Anna, Filip, Agata, Pietraś, Rafał, Smolarek-Łach, Justyna, Goryl, Magdalena, Couto, Isabel Leitão, Marynowski, Leszek, Mielko, Karolina A., Jabłoński, Sławomir, Świec, N., Sands, Dorota, Łukaszewicz, Marcin, Ratiu, Ileana-Andreea, Szeliga, Jacek, Jacowski, Marek, Viveiros, Miguel, Qasem, Badr, Warowicka, A., Goździcka-Józefiak, Anna, Żydek, Grażyna, Wołuń-Cholewa, M., Sobańska, Anna W., Brzezińska, Elżbieta, Nowak, Mariusz, Owczarek, Joanna, Vorstenbosch van, Robert, Cheng, Hao Ran, Pascu, Mihail Lucian, Mujagic, Zlatan, Jonkers, Daisy, Obradović, Darija, Filipczak, Wojciech, Kordalewska, Marta, Oljačić, Slavica, Nikolić, Katarina, Waksmundzka-Hajnos, Monika, Petruczynik, Anna, Wróblewski, Karol, Wieczorek, Piotr P., Poliwoda, Anna, Kvalheim, Olav M., Kellogg, Josh J., Wawrzyniak, Renata, Caesar, Lindsay, Cech, Nadja B., Khakimov, Bekzod, Engelsen, Søren Balling, Klein-Júnior, Luiz Carlos, Viaene, Johan, Slosse, Amorn, Esteki, Mahnaz, Vander Heyden, Yvan, Pieszczek, Łukasz, Godzień, Joanna, Daszykowski, Michał, Cajka, Tomas, Zednikova, Petra, Kuda, Ondrej, Hricko, Jiri, Novakova, Michaela, Paucova, Michaela, Checa, Antonio, Drabik, Anna, Ner-Kluza, Joanna, Jacyna, Julia, Piechura, Kinga, Bodzoń-Kułakowska, Anna, Mielczarek, Przemysław, Suder, Piotr, Schooten van, Frederik-Jan, Smolińska, Agnieszka, Monedeiro, Fernanda, Milanowski, Maciej, Ligor, Tomasz, Raczak-Gutknecht, Joanna, Buszewski, Bogusław, Stavropoulos, George, Hill, Jane, Lundstedt, Torbjörn, Lundstedt-Enkel, Katrin, Bennett, Kate, Russell, Claire, Martín-Jiménez, Rebeca, Campanella, Michelangelo, Mole, Sara, López Gonzálves, Ángeles, Petschnigg, Julia, Moritz, Thomas, Trygg, Johan, Wieczorek, Tom, De Lacy Costello, Ben, Drabińska, Natalia, Jones, Peter, Gould, Oliver, Ratcliffe, Norman, Młynarz, Piotr, Markuszewski, Marcin, Wojtowicz, Wojciech, Ząbek, Adam, Juszczyński, Przemysław, Białotropowicz, E., Rzymski, Tomasz, Wróbel, Anna, Szyba, A., Chachaj, Angelika, Markuszewski, Michał J., Grodowski, Jarosław, Matuszewski, Marcin, and Reszke, Edward

Subjects
chromatographic methods, investigating organic compounds
Abstract

The 42nd Symposium Chromatographic Methods of Investigating Organic Compounds : Book of abstracts. June 4-7, 2019, Szczyrk, Poland

Published
2019

3. Liquid Marble Actuator for Microfluidic Logic Systems

Author

Draper, Thomas C., Fullarton, Claire, Phillips, Neil, de Lacy Costello, Ben P. J., and Adamatzky, Andrew

Subjects
Unconventional Computing Group, lcsh:R, lcsh:Medicine, lcsh:Q, liquid marble, unconventional computing, microfluidic, logic gate, particle-coated droplets, mechanical computing, actuator, flip-flop, lcsh:Science, Article, ComputingMethodologies_COMPUTERGRAPHICS
Abstract

© 2018, The Author(s). A mechanical flip-flop actuator has been developed that allows for the facile re-routing and distribution of liquid marbles (LMs) in digital microfluidic devices. Shaped loosely like a triangle, the actuating switch pivots from one bistable position to another, being actuated by the very low mass and momentum of a LM rolling under gravity (~4 × 10 −6 kg ms −1 ). The actuator was laser-cut from cast acrylic, held on a PTFE coated pivot, and used a PTFE washer. Due to the rocking motion of the switch, sequential LMs are distributed along different channels, allowing for sequential LMs to traverse parallel paths. This distributing effect can be easily cascaded, for example to evenly divide sequential LMs down four different paths. This lightweight, cheap and versatile actuator has been demonstrated in the design and construction of a LM-operated mechanical multiplication device — establishing its effectiveness. The actuator can be operated solely by gravity, giving it potential use in point-of-care devices in low resource areas.

Published
2018

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