Imperial College London

Dr Giovanni Giustini

Faculty of EngineeringDepartment of Mechanical Engineering

Honorary Lecturer



+44 (0)20 7594 9681g.giustini12 Website




City and Guilds BuildingSouth Kensington Campus





PhD position available (UK students only): boiling in nuclear reactors

Honorary Lecturer in the Nuclear Engineering Group, Mechanical Engineering Department.

I am interested in numerical modelling of heat transfer and fluid flow, in particular multi-phase flow with phase change and boiling heat transfer, and in the development of interface-capturing CFD techniques for simulation of industrial two-phase flows on arbitrary geometries using unstructured meshes.

My current research focuses on wettability and phase-change phenomena at solid surfaces and is sponsored by the UK Engineering and Physical Sciences Research Council (EPSRC) under fellowship grant 'Modelling surface effects in two-phase fluid processes across scales'.


2009 BSc in Energy Engineering, University of Bologna

2012 MSc. in Energy Engineering, University of Bologna

2016 PhD Mechanical Engineering, Imperial College London


2016-2020, Postdoctoral research associate, Imperial College London, Mechanical Engineering Department, Nuclear Engineering Group

2017-2019, Scientific administrator, Indo-UK Civil Nuclear Network

2020-2022, EPSRC Research Fellow, Imperial College London, Mechanical Engineering Department.

2022 - to date, Lecturer in Engineering Simulation and Data Science and EPSRC Research Fellow, Department of Mechanical, Aerospace and Civil Engineering, The University of Manchester.

Up-to-date list of publications

ORCID profile

Google Scholar profile


 Animations from my research

CFD simulation of bubble release from a cavity during boiling of liquid sodium - temperature distribution around the bubbles: blue = cold, red = hot.
CFD simulation of pool boiling from a cavity in a pool of liquid sodium, using a novel method for capturing interfacial mass transfer implemented in the OpenFOAM code. Animation of phase distribution field - blue = sodium vapour, red = liquid sodium.



Ardron K, Giustini G, 2021, On the wetting behavior of surfaces in boiling, Physics of Fluids, Vol:33, ISSN:1070-6631, Pages:1-10

Giustini G, Issa R, 2021, A method for simulating interfacial mass transfer on arbitrary meshes, Physics of Fluids, Vol:33, ISSN:1070-6631

Giustini G, Kim H, I. Issa R, et al., 2020, Modelling microlayer formation in boiling sodium, Fluids, Vol:5, ISSN:2311-5521, Pages:1-19

Giustini G, 2020, Modelling of boiling flows for nuclear thermal hydraulics applications—a brief review, Inventions, Vol:5, ISSN:2411-5134, Pages:1-18

Giustini G, Kim I, Kim H, 2020, Comparison between modelled and measured heat transfer rates during the departure of a steam bubble from a solid surface, International Journal of Heat and Mass Transfer, Vol:148, ISSN:0017-9310

More Publications