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Professor Darina Murray

Professor (Mechanical & Manuf. Eng)
PARSONS BUILDING


Darina Murray is a Professor in Mechanical Engineering at Trinity College Dublin. She graduated from University College Dublin with Bachelor's and Master's degrees in Mechanical Engineering in 1981 and 1983 respectively. She worked in the Electricity Supply Board (now ESB International)for 2 years before joined the academic staff of Trinity College, where in 1989 she completed her doctorate on the subject of gas-particle heat transfer in cross flow. Professor Murray has led many research projects, with EU, Enterprise Ireland, IRC and SFI funding, on topics such as two-phase flow and heat transfer, convective heat transfer measurements, measurement of blood perfusion, characterisation of compact heat exchangers and exhaust gas sensors. She is the author of around 150 publications in refereed journals and international conference proceedings. She has served on the scientific committees of 10 international conferences and has refereed papers for 21 international journals. She is the Irish representative (and past secretary) on the EU Eurotherm committee, which promotes and fosters European co-operation in thermal sciences and heat transfer. She was made a Fellow of Trinity College in 1996. The core focus of her research work is the characterisation of convective heat transfer by coupled heat transfer and fluid flow measurements. Her current research interests include impinging jet flow and heat transfer, natural convection and heat transfer enhancement in bubbly flows.
  BUBBLE DYNAMICS   FORCED CONVECTION   HEAT TRANSFER   HEAT TRANSFER ENHANCEMENT   HOT FILM SENSOR   JET IMPINGEMENT HEAT TRANSFER   LASER DOPPLER ANEMOMETER   MULTIPHASE FLOWS   PARTICLE IMAGE VELOCIMETRY   SIMULTANEOUS VELOCITY AND HEAT FLUX MEASUREMENTS   SYNTHETIC JETS   THERMAL MANAGEMENT
 Microfluidic pump heat exchanger
 Flow structures and heat transfer enhancements in the wakes of sliding bubbles
 Astudy of heat transfer in forced convective drying with the application of laser-induced fluorescence thermometry
 Sliding bubbles and the mechanisms of enhanced heat transfer
 Synthetic air jets: A study of convective cooling in thermal management applications

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Details Date
Member of the Assembly of World Conferences on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics 2009
Irish representative (and secretary from 2010-2014) on the Eurotherm committee for the promotion and fostering of European cooperation in thermal sciences and heat transfer 1992
Member of Editorial Board of Proceedings of the Institution of Mechanical Engineers (UK) Part E: Journal of Process Mechanical Engineering 2008
Member of the Editorial Board of the WIT Press Book Series on Developments in Heat Transfer 1994
Member of International Baltic Heat Transfer Committee 1993
Regular reviewer of papers for 21 international journals, including the top journals in my field such as Journal of Fluid Mechanics, International Journal of Heat and Mass Transfer, International Journal of Multiphase Flow 1991
Details Date From Date To
Chartered engineer with Engineers Ireland 1990 present
Irish representative on Eurotherm Committee (secretary from 2010-2014) 2002 present
Member of the Assembly of World Conferences on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics 2009 present
Member of Council of Professors of Mechanical Engineering in Irish Universities 2013 present
O'Reilly Meehan, R., Grennan, K., Davis, I., Nolan, K, Murray, D.B., Visualization of the wake behind a sliding bubble, Physical Review Fluids, 2, 2017, p104303-1 - 104303-12, Journal Article, PUBLISHED  TARA - Full Text  DOI
Donoghue, D.B., Albadawi, A., DelaurĂ©, Y.M.C., Robinson, A.J., Murray, D.B., Mechanisms of heat transfer for axisymmetric bubble impingement and rebound, Heat and Mass Transfer, 53, 2017, p1-12 , Journal Article, PUBLISHED  DOI
O'Reilly Meehan, R., Williams, N.P., Donnelly, B., Persoons, T., Murray, D.B., Forced convection in the wakes of impacting and sliding bubbles, Heat and Mass Transfer, 2017, p11pp. , Journal Article, IN_PRESS  DOI
O'Reilly Meehan, R., Donnelly, B., Nolan, K.,Murray, D.B., Bubble-wake interactions of a sliding bubble pair and the mechanisms of heat transfer, International Journal of Heat and Mass Transfer, 108, 2017, p1347 - 1356, Journal Article, PUBLISHED  DOI
Quinn, C., Persoons, T., Murray, D.B., Heat transfer behaviour of a dilute impinging air-water mist jet at low wall temperatures, International Journal of Heat and Mass Transfer, 111, 2017, p1234 - 1249, Journal Article, PUBLISHED  TARA - Full Text  DOI
Blythman, R., Persoons, T., Jeffers, N., Nolan, K.P., Murray, D.B., Localised dynamics of laminar pulsatile flow in a rectangular channel , International Journal of Heat and Fluid Flow, 66, 2017, p8 - 17, Journal Article, PUBLISHED  DOI
Richard Blythman,Sajad Alimohammadi,Tim Persoons, Nick Jeffers, Darina B. Murray, Parametric analysis of laminar pulsating flow in a rectangular channel, Heat and Mass Transfer, 2017, p1 - 10, Journal Article, PUBLISHED  DOI  URL
Pelletier Q, Persoons T, Murray D.B., Numerical optimization of unsteady natural convection heat transfer from a pair of horizontal cylinders, Journal of Physics: Conference Series, 7th European Thermal Sciences Conference, Krakow, Poland, June 2016, 745, 2016, pp720 - 728, Conference Paper, PUBLISHED  TARA - Full Text  DOI  URL
Blythman, R., Persoons, T., Jeffers, N. Murray, D.B., Effect of oscillation frequency on wall shear stress and pressure drop in a rectangular channel for heat transfer applications, 7th European Thermal Sciences Conference, Krakow, Poland, June 2016, 2016, pp421 - 428, Conference Paper, PUBLISHED  TARA - Full Text  URL
O'Reilly Meehan R, Donnelly B, Persoons T, Murray D.B, , Forced convection in the wakes of sliding bubbles, Journal of Physics: Conference Series, 7th European Thermal-Sciences Conference, Krakow, Poland, June 2016, 745, 2016, pp1018 - 1025, Conference Paper, PUBLISHED  TARA - Full Text  DOI  URL
  

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Murray, D.B. and Fitzpatrick, J.A., Heat Transfer and LDA Measurements in a Tube Array for a Gas-Particle Flow, Proceedings of 5th Workshop on Two-Phase Flow Predictions, Erlangen, 1990, pp282 - 293, Conference Paper, PUBLISHED
O'Reilly Meehan, R., Murray, D.B., Streamwise vorticity in the wake of a sliding bubble , 18th International Conference on Fluid Mechanics and Thermodynamics, Rio de Janeiro, Brazil, February 2016, Conference Paper, PUBLISHED
Blythman, R., Jeffers, N., Persoons, T, Murray, D.B., Localized and time-resolved measurements of pulsatile flow in a rectangular channel, 18th International Conference on Fluid Mechanics and Thermodynamics, Rio de Janeiro, Brazil, February 2016, Conference Paper, PUBLISHED

  

Award Date
Highly Cited Research certificate from International Journal of Multiphase Flow 2016
Hartnett-Irvine Award of the International Centre for Heat and Mass Transfer 2013
Elected as Secretary to the Eurotherm committee 2010
Poster Prize at ExHFT-7, Krakow 2009
Keynote speaker at Heat Transfer 2002, Halkidiki, Greece 2002
Elected Fellow TCD 1996
Paper Prize at 1st Thermal Energy Congress, Marrakech 1993
The focus of my research work is the characterisation of convective heat transfer mechanisms in single and two phase flows, which is core to thermal energy conversion processes as well as to the cooling of electronics systems and manufacturing processes. This is achieved mainly through the use of coupled local and time-resolved heat transfer and fluid flow measurements, using advanced measurement techniques such as hot film anemometry, infrared thermography, high speed imaging and particle image velocimetry. My current research interests include impinging jet flow and heat transfer, natural convection and heat transfer enhancement in bubbly flows.