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Dr. Sajad Alimohammadi

Research Fellow (Mechanical & Manuf. Eng)

 


Dr Sajad Alimohammadi received his PhD degree from Trinity College Dublin in 2015. His PhD research focused on the numerical and experimental characterization of fluid flow and heat transfer in unsteady impinging and co-flowing jet flows. He also explored the vortex dynamics of a pair of interacting synthetic jets issuing from adjacent slot orifices into the quiescent air using experimental (PIV) and numerical (CFD) techniques, with practical applications in active flow control and adaptive heat convection. Sajad graduated with a MSc (Eng) degree in 2010 from Sharif University of Technology. In 2011, he was appointed Research Assistant (Wissenschaftliche Mitarbeiter) at the Institute for Thermodynamics (Institut für Thermodynamik, IfT), Technische Universität Braunschweig, Germany, where he performed research on two-phase CO2 ejectors. In 2015, he was appointed Post-Doctoral Research Fellow at TCD and Adjunct Research Staff member at the NSF I/UCRC Cooling Technologies Research Center (CTRC) at Purdue University, USA, in collaboration with Intel Corporation. In the latter appointment, he investigated the applicability of low-noise air amplifier technology for data centre environments, using analytical modelling, LES-based CFD, Computational AeroAcoustics (CAA), and PIV. In 2016, his research was funded by Enterprise Ireland and Nokia/Alcatel-Lucent, in the development of reliable lightweight vapour chamber heat sinks for wireless communication applications. Sajad was recently awarded a prestigious Government of Ireland Postdoctoral Research Fellowship 2016 by the Irish Research Council, to continue his career as a Research Fellow at TCD.
Details Date From Date To
American Society of Mechanical Engineers (ASME), American Society of Thermal and Fluids Engineers (ASTFE)
Jaakko McEvoy, Sajad Alimohammadi, Tim Persoons, Experimental investigation of flow pulsation waveforms in rectangular mesochannels for high heat flux electronics cooling, 5th International Conference on Experimental Fluid Mechanics ICEFM 2018 Munich, Munich, Germany, 2018, Conference Paper, PUBLISHED  URL
Sajad Alimohammadi, Jaakko McEvoy, Yan Delauré, Tim Persoons, Benchmarking the Application of Detached Eddy Simulation Techniques in Data Center Server Flow Modelling using Stereoscopic Particle Image Velocimetry, 2018 24rd International Workshop on Thermal Investigations of ICs and Systems (THERMINIC), Stockholm, Sweden, IEEE, 2018, Conference Paper, PUBLISHED  URL
Assel Sakanova, Sajad Alimohammadi, Jaakko McEvoy, Tim Persoons, Hybrid-Cooled Data Center Server Layout Optimization for Air-Side Heat Recovery, 2018 24rd International Workshop on Thermal Investigations of ICs and Systems (THERMINIC, Stockholm, Sweden, 2018, Conference Paper, PUBLISHED  URL
Tim Persoons, Rick Cressall, Sajad Alimohammadi, Validating a Reduced-Order Model for Synthetic Jet Actuators Using CFD and Experimental Data, MDPI Acutators, 7, (4), 2018, Journal Article, PUBLISHED  URL
Kun Zhao, Sajad Alimohammadi, Patrick N Okolo, John Kennedy, Gareth J Bennett, Aerodynamic noise reduction using dual-jet planar air curtains, Journal of Sound and Vibration, 432, 2018, p192 - 212, Journal Article, PUBLISHED  DOI  URL
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, 2018, p1 - 10, Journal Article, PUBLISHED  DOI  URL
Abdelsalam Y. O.; Alimohammadi S.; Pelletier Q.; Persoons Q., A multi-objective genetic algorithm optimisation of plate-fin heatsinks, IEEE /Therminic 2017, 23rd International Workshop on Thermal Investigations of ICs and Systems (THERMINIC), Amsterdam, Netherlands, IEEE, 2017, Conference Paper, PUBLISHED  URL
Sajad Alimohammadi, Nicolas Baudin, Roger Kempers, Tim Persoons, Multi-Objective Shape Optimisation of Natural Convection Cooled Plate-Fin Heat Sinks with Localised Heat Sources, 2nd Thermal and Fluid Engineering Conference, TFEC2017, Las Vegas, NV, USA, April 2017, 2017, Conference Paper, PUBLISHED  URL
Nicolas Baudin, Sajad Alimohammadi, Roger Kempers, Tim Persoons, COMPARISON OF A TRADITIONAL HEAT SINK VERSUS A VAPOUR CHAMBER HEAT SINK COOLED BY FORCED CONVECTION, 2nd Thermal and Fluid Engineering Conference, TFEC2017, Las Vegas, NV, USA, April 2017, 2017, Conference Paper, PUBLISHED  URL
Sajad Alimohammadi, Eoin Fanning, Tim Persoons, Darina B. Murray, Computers & Fluids, Characterization of flow vectoring phenomenon in adjacent synthetic jets using CFD and PIV, 140, 2016, p232 - 246, Journal Article, PUBLISHED  URL
  

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. Creative Experimental and Numerical Fluid Dynamics and Heat Transfer . Advanced CFD (Open Source and Commercial) . Particle Image Velocimetry . Renewable Energy Systems . Datacentre Electronics Thermal Management . Super-Computing in Biomedical Device Design