Výsledky vyhledávání - "Jim S. Walker"

Dynamics and outcomes of binary collisions of equi-diameter picolitre droplets with identical viscosities

Autor: Lauren P. McCarthy, Peter Knapp, Jim S. Walker, Justice Archer, Rachael E. H. Miles, Marc E. J. Stettler, Jonathan P. Reid

Publikováno v: McCarthy, L P, Knapp, P, Walker, J S, Archer, J, Miles, R E H, Settler, M E J & Reid, J P 2022, ' Dynamics and outcomes of binary collisions of equi-diameter picolitre droplets with identical viscosities ', Physical Chemistry Chemical Physics, vol. 24, no. 35, pp. 21242-21249 . https://doi.org/10.1039/d2cp02613a

The dynamics of binary collisions of equi-diameter picolitre droplets with identical viscosities, varying impact speeds and impact angles have been investigated experimentally and compared to collision outcome prediction models. Collisions between pa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::280092db3acc41561952bb532ea241c5
https://doi.org/10.1039/d2cp02613a

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Drying Kinetics and Particle Formation from Dilute Colloidal Suspensions in Aerosol Droplets

Autor: Jonathon P Reid, Jim S. Walker, J. Archer, Daniel A Hardy, Florence K. A. Gregson

Publikováno v: Archer, J, Walker, J S, Gregson, F K A, Hardy, D A & Reid, J P 2020, ' Drying Kinetics and Particle Formation from Dilute Colloidal Suspensions in Aerosol Droplets ', Langmuir, vol. 36, 42, pp. 12481-12493 . https://doi.org/10.1021/acs.langmuir.0c01830

Industrial processes such as spray drying of pharmaceutical and food products often involve the drying of aerosol droplets containing colloidal suspensions into powdered microparticles of desired properties. The morphology and surface properties of t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7106b26e644d346c1061a872927e7f4e
https://doi.org/10.1021/acs.langmuir.0c01830

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Analytical Challenges when Sampling and Characterising Exhaled Aerosol

Autor: J. Archer, Fergus Hamilton, Jules Brown, Jonathan P. Reid, Henry E. Symons, Allen E. Haddrell, Sadiyah Sheikh, Jim S. Walker, Bryan R. Bzdek, Florence K. A. Gregson, Christopher M. Orton

Publikováno v: Gregson, F, Sheikh, S, Archer, J, Symons, H E, Walker, J S, Haddrell, A E, Orton, C, Hamilton, F W, Brown, J, Bzdek, B R & Reid, J P 2021, ' Analytical Challenges when Sampling and Characterising Exhaled Aerosol ', Aerosol Science and Technology, vol. 56, no. 2, pp. 160-175 . https://doi.org/10.1080/02786826.2021.1990207

Respiratory particles produced by breathing, coughing, and speaking or generated during medical procedures serve as important routes for disease transmission. Characterising the number of particles generated as well as their size distribution is fund

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a788d6881edb23b6a48de3b0a278d0ff
https://research-information.bris.ac.uk/ws/files/301898761/Analytical_challenges_when_sampling_and_characterising_exhaled_aerosol.pdf

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High time resolution measurements of droplet evaporation kinetics and particle crystallisation

Autor: Jim S. Walker, J. Archer, Jonathan P. Reid, Reinhard Vehring, P. Lemaitre, Daniel A Hardy

Publikováno v: Hardy, D A, Archer, J, Lemaitre, P, Vehring, R, Reid, J P & Walker, J S 2021, ' High time resolution measurements of droplet evaporation kinetics and particle crystallisation ', Physical Chemistry Chemical Physics, vol. 23, no. 34, pp. 18568-18579 . https://doi.org/10.1039/d1cp02840e

A refined technique for observing the complete evaporation behaviour of free-falling droplets, from droplet generation to complete solvent evaporation, with ultra-high time resolution is introduced and benchmarked. High-resolution phase-delay strobos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97ec2e0f6d259395f03f945cdbe9eb6c
https://pubmed.ncbi.nlm.nih.gov/34612393

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Accurate Representations of the Microphysical Processes Occurring during the Transport of Exhaled Aerosols and Droplets

Autor: Jonathan P. Reid, Sarah E. S. Michel, Florence K. A. Gregson, Jim S. Walker, J. Archer, Bryan R. Bzdek

Publikováno v: ACS Central Science
ACS Central Science, Vol 7, Iss 1, Pp 200-209 (2021)
Walker, J S, Archer, J, Gregson, F K A, Michel, S E S, Bzdek, B R & Reid, J P 2021, ' Accurate Representations of the Microphysical Processes Occurring During the Transport of Exhaled Aerosols and Droplets ', ACS Central Science, vol. 7, no. 1, pp. 200–209 . https://doi.org/10.1021/acscentsci.0c01522

Aerosols and droplets from expiratory events play an integral role in transmitting pathogens such as SARS-CoV-2 from an infected individual to a susceptible host. However, there remain significant uncertainties in our understanding of the aerosol dro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f3c3fd7cfef2f30df2eea71057c55d8

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Optical Interrogation of Single Levitated Droplets in a Linear Quadrupole Trap by Cavity Ring-Down Spectroscopy

Autor: A. Valenzuela, Fenghong Chu, Michael I. Cotterell, Allen E. Haddrell, Andrew J. Orr-Ewing, Jonathan P. Reid, Jim S. Walker

Publikováno v: Valenzuela Gutierrez, A, Chu, F, Haddrell, A E, Cotterell, M I, Walker, J S, Orr-Ewing, A J & Reid, J P 2020, ' Optical Interrogation of Single Levitated Droplets in a Linear Quadrupole Trap by Cavity Ring-Down Spectroscopy ', Journal of Physical Chemistry A, vol. 125, pp. 394-405 . https://doi.org/10.1021/acs.jpca.0c09213

Optical trapping is a well-established technique to manipulate and levitate micro- and nanoscale particles and droplets. However, optical traps for single aerosol studies are most often limited to trapping spherical non-absorbing droplets and a unive

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dcdf75f95731b7cc1fe09be8235ffdf8
https://research-information.bris.ac.uk/ws/files/258788873/Aerosol_quadrupole_trap_JPCA_accepted_version.pdf

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