Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/9494
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dc.contributor.authorKarayiannis, TG-
dc.contributor.authorPike Wilson, EA-
dc.contributor.authorChen, L-
dc.contributor.authorMahmoud, M-
dc.contributor.authorTian, Y-
dc.date.accessioned2014-12-11T15:53:53Z-
dc.date.available2014-09-07-
dc.date.available2014-12-11T15:53:53Z-
dc.date.issued2014-
dc.identifier.citation4th Micro and Nano Flows Conference, University College London, UK, 7-10 September 2014, Editors CS König, TG Karayiannis and S. Balabanien_US
dc.identifier.isbn978-1-908549-16-7-
dc.identifier.urihttps://bura.brunel.ac.uk/handle/2438/9494-
dc.descriptionThis paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the Process Intensification Network, the Institution of Mechanical Engineers, the Heat Transfer Society, HEXAG - the Heat Exchange Action Group, and the Energy Institute, ASME Press, LCN London Centre for Nanotechnology, UCL University College London, UCL Engineering, the International NanoScience Community, www.nanopaprika.eu.en_US
dc.description.abstractFlow boiling patterns of R245fa in a 1.1 mm diameter copper tube were used to evaluate flow pattern maps in small to micro tubes. The flow boiling experiments were conducted over an experimental range of mass flux 100-400 kg/m2s, heat flux 3-25 kW/m2, inlet pressure of 1.85 and 2.45 bar and inlet subcooling of 5 K. The test section was heated directly using DC current. The effect of hysteresis was also investigated by increasing and decreasing the heat flux. A borosilicate glass observation section at the test section outlet was used for flow visualization. Hysteresis was evident across the whole experimental range, with obvious changes in the flow patterns between increasing and decreasing heat flux. The four main flow patterns were bubbly, slug, churn and annular flow. Confined flow was also evident. For increasing heat flux, only annular flow was evident but all the flow patterns were evident with decreasing heat flux. Therefore, the evaluation of flow pattern maps carried out in the present study was based on the decreasing heat flux data, as this covered the full range of flow patterns.en_US
dc.language.isoenen_US
dc.publisherBrunel University Londonen_US
dc.relation.ispartofseriesID 170-
dc.source4th Micro and Nano Flows Conference-
dc.source4th Micro and Nano Flows Conference-
dc.subjectMicrochannelen_US
dc.subjectFlow Boilingen_US
dc.titleChallenges and possibilities in cooling electronics equipmenten_US
dc.typeConference Paperen_US
pubs.finish-date2014-09-10-
pubs.finish-date2014-09-10-
pubs.place-of-publicationUCL, London, UK-
pubs.start-date2014-09-07-
pubs.start-date2014-09-07-
pubs.organisational-data/Brunel-
pubs.organisational-data/Brunel/Brunel Staff by College/Department/Division-
pubs.organisational-data/Brunel/Brunel Staff by College/Department/Division/College of Engineering, Design and Physical Sciences-
pubs.organisational-data/Brunel/Brunel Staff by College/Department/Division/College of Engineering, Design and Physical Sciences/Dept of Mechanical, Aerospace and Civil Engineering-
pubs.organisational-data/Brunel/Brunel Staff by College/Department/Division/College of Engineering, Design and Physical Sciences/Dept of Mechanical, Aerospace and Civil Engineering/Mechanical and Aerospace Engineering-
pubs.organisational-data/Brunel/Brunel Staff by Institute/Theme-
pubs.organisational-data/Brunel/Brunel Staff by Institute/Theme/Institute of Energy Futures-
pubs.organisational-data/Brunel/Brunel Staff by Institute/Theme/Institute of Energy Futures/Energy Efficient and Sustainable Technologies-
pubs.organisational-data/Brunel/University Research Centres and Groups-
pubs.organisational-data/Brunel/University Research Centres and Groups/Brunel Business School - URCs and Groups-
pubs.organisational-data/Brunel/University Research Centres and Groups/Brunel Business School - URCs and Groups/Centre for Research into Entrepreneurship, International Business and Innovation in Emerging Markets-
pubs.organisational-data/Brunel/University Research Centres and Groups/School of Health Sciences and Social Care - URCs and Groups-
pubs.organisational-data/Brunel/University Research Centres and Groups/School of Health Sciences and Social Care - URCs and Groups/Brunel Institute for Ageing Studies-
pubs.organisational-data/Brunel/University Research Centres and Groups/School of Health Sciences and Social Care - URCs and Groups/Brunel Institute of Cancer Genetics and Pharmacogenomics-
pubs.organisational-data/Brunel/University Research Centres and Groups/School of Health Sciences and Social Care - URCs and Groups/Centre for Systems and Synthetic Biology-
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