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in quattro
in quattro

in quattro

in quattro is an Italian start-up that has developed a two-phase advanced thermal management system for high power electronics (CPU, GPU, computers, IGBT). The innovative feature of this system is the use of flow boiling heat transfer for cooling electronics in a more efficient way, using the latent heat of vaporization. Compared to a single-phase convection, significantly higher heat transfer coefficients can be achieved at significantly lower flow rates and pumping power.
The proposed thermal control system is based on two-phase pumped loop. For example, for an electronic component like a CPU i7 it is possible to remove up to 500 - 600 W with a mass flow rate of 18 kg/h, a value ten times lower than those typically encountered in a liquid cooling loop.
This thermal control system will be able to remove high power densities with low mass flow rate and maintaining the surface of the electronic component isothermal. The system has lower volume and mass compared to classical cooling methods and requires less energy.
The team that proposes this technology has more than 20 years’ experience as researchers at ENEA (Italian National Agency for New Technologies, Energy and Sustainable Economic Development), in studying and developing two-phase flow systems at normal and low- and hyper-gravity conditions on-board the ZERO-G aircraft of Novespace and ESA (European Space Agency) parabolic flight campaigns. The team has participated to 9 parabolic flight campaign of ESA. Besides, since 2004, this team have been involved in the ESA MAP projects dedicated to boiling.
Other potential application of the proposed technology are:
-       cooling of power electronics for other sectors: telecommunications, avionics, satellites;
-       cooling of high performance computers and servers;
-       cooling of electric vehicles.
Italy


in quattro

Francesco Romanello, Luca saraceno, Antonio Scotini, Giuseppe Zummo

Luca Saraceno
Luca Saraceno is a researcher in ENEA Laboratory of Development of Chemical Processes and Thermofluidynamic. Previously he worked at ENEA Laboratory of Thermal Fluid-Dynamics Applied to Energy Systems as research associate focusing his activities on the fluid dynamics of two-phase flows through safety valves and thermofluidodynamic modelling of ice-cream machines. He obtained his bachelor's degree in nuclear engineering from the University of Palermo in 2003, with an experimental thesis on rewetting of hot surfaces by liquid sprays. His research interests also include heat transfer in reduced gravity, heat pipes performance for spatial applications, scraped-surfaces heat exchangers, microscale heat transfer and heat conduction with rarefied gas, heat transfer enhancement using nanofluids. Dr. Saraceno has co-authored more than 50 papers in archival journals and conference proceedings. He is currently working on flow boiling in micro channels for power electronics cooling, innovative heat pipes for space and ground applications, and innovative applications of heat pumps with natural refrigerants both in industrial processes food and residential buildings air-conditioning. In 2013, 2014 and 2016 he participated in ESA experimental campaigns on board of Novespace Zero-g Airbus (parabolic flights) in order to study flow boiling at microgravity conditions.
In October 2016 he was co-founder of ALL4SCIENCE, an European crowdfunding platform dedicated to Science and Technology (https://www.all4science.com).

Giuseppe Zummo
Dr. G. Zummo is a senior scientist at ENEA (Italian National Agency for New Technologies, Energy and Sustainable Economic Development), Laboratory for Development of Chemical and Thermal Fluid Dynamics Processes for Energy.
He is Contract Professor of Thermofluid Dynamics at Guglielmo Marconi University.
He studied Mechanical Engineering at University „La Sapienza“ in Rome, Italy and obtained a PHD in Energetics (Univ. of Rome).
He is author of papers published in International Journals and/or presented at International Conferences.
His main field of interest is heat transfer and two-phase flow in non conventional systems (variable gravity, 0-g and 2-g, and microgeometries, microfluidics) and advanced thermal management of high heat flux electronics.
He dedicated the beginning of his career in research on cooling of components of fusion reactors (high heat flux components) and quenching at normal and reduced gravity.
He participates to many European research projects and to several international networks on multiphase flow heat transfer for terrestrial and space applications.
Co-founder, in 2016, of ALL4SCIENCE, an European crowdfunding platform dedicated to Science and Technology (https://www.all4science.com).


Stand F2 (pav. 5) - in quattro - two-phase cooling

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