37th UIT Heat Transfer Conference

and Symposium

Refrigerants: heat transfer and applications

CONFERENCE PRELIMINARY PROGRAM

University of Padova, Italy June 24-26, 2019

Centro Linguistico di Ateneo

Via Venezia, 16 - Padova

www.uitconference2019.it

PROGRAM AT-A-GLANCE

MONDAY 24 JUNE

TUESDAY 25 JUNE

WEDNESDAY 26 JUNE

8:15 Registration 8:15 Registration SYMPOSIUM ON REFRIGERANTS

10:15 Opening ceremony – UIT Awards 9:00 Keynote lecture (E. Nobile)

10:40 Keynote lecture (S. Garimella) 9:50 Technical sessions 8:15 Registration

11:30 Technical sessions COMPUTATIONAL THERMAL FLUID DYNAMICS 1 9:00 Opening

MULTIPHASE HEAT TRANSFER 1 SYSTEM MODELING 9:15 Keynote lecture (A. Cavallini)

HEAT TRANSFER IN POROUS MEDIA / CONVECTION CONDUCTION HEAT TRANSFER 10:00 Invited lecture (S. Garimella)

10:30 Coffee break 10:35 Coffee break

12:50 Lunch 10:50 Technical sessions 10:55 Invited lecture (P. Hrnjak)

13:50 Poster session COMPUTATIONAL THERMAL FLUID DYNAMICS 2 Invited lecture (B. Palm)

MULTIPHASE HEAT TRANSFER 3 Invited lecture (P. Neksa)

14:50 Technical sessions HEAT TRANSFER IN ENERGY SYSTEMS 2 Invited lecture (J.M. Corberan)

MULTIPHASE HEAT TRANSFER 2 12:50 Lunch 13:15 Lunch

MICROSCALE THERMAL FLUID DYNAMICS 14:00 Technical sessions 14:20 Technical sessions

16:30 Coffee break COMPUTATIONAL THERMAL FLUID DYNAMICS 3 REFRIGERANTS: HEAT TRANSFER

16:50 Technical sessions HEAT TRANSFER IN ENERGY SYSTEMS 3 REFRIGERANTS: APPLICATIONS

HEAT TRANSFER IN NUCLEAR PLANTS 16:00 Coffee break

HEAT TRANSFER IN ENERGY SYSTEMS 1 16:30 UIT Assembly 16:40 Coffee break

19:00 Bus departure 17:00 Panel discussion

20:00 Cocktail at Palazzo della Ragione 20:00 Social dinner at Castello del Catajo 17:50 Closing ceremony

Monday, June 24

8:15 – 10:15 Registration

10:15 – 10:40 Opening ceremony – UIT Awards

10:40 – 11:25 Keynote lecture – Room T3 Enabling compact thermal systems through insights on coupled heat and mass transfer phenomena Srinivas Garimella, Georgia Institute of Technology, USA

11:30 – 12:50 MULTIPHASE HEAT TRANSFER 1

Experimental analysis of drop-size density distribution during dropwise condensation of steam Mirafiori Matteo, Parin Riccardo, Bortolin Stefano, Del Col Davide

Two-phase heat transfer in 4.0 mm tube under different gravity conditions Lancione Giorgia, Iceri Daiane Mieko, Gugliermetti Luca, Saraceno Luca, Zummo Giuseppe, Bisegna Fabio, Nardecchia Fabio

Water pool boiling on aluminum metal foams Giulia Righetti, Calati Michele, Doretti Luca, Hooman Kamel, Mancin Simone

Thermal performance investigation by infrared analysis of mini pulsating heat pipe Bonfiglio Carlotta, Bozzoli Fabio, Cattani Luca, Iwata Naoko, Rainieri Sara, Vocale Pamela

11:30 – 12:50 HEAT TRANSFER IN POROUS MEDIA / CONVECTION

Experimental determination of pressure drop of air flows through aluminium and nickel-chromium metallic foams Cancellara Stefano, Greppi Matteo, Fabbri Giampietro, Dongellini Matteo, Biserni Cesare, Morini Gian Luca

Onset of thermal convection in a horizontal porous layer saturated by a power–law fluid Celli Michele, Impiombato Andrea Natale, Barletta Antonio

Natural convection in vertical channels with open-cell foams

Andreozzi Assunta, Bianco Nicola, Iasiello Marcello, Naso Vincenzo

Thermal performance comparison between fan-coils using compact air-water heat exchangers based on finned or metallic foam surfaces Cancellara Stefano, Greppi Matteo, Fabbri Giampietro, Dongellini Matteo, Biserni Cesare, Morini Gian Luca

12:50 – 13:50 Lunch

Monday, June 24

13:50 – 14:50 POSTER SESSION

Analytical solutions for the pseudo-conduction and boundary layer flows in a vertical enclosure with imposed wall heat fluxes Fichera alberto, Pagano Arturo, Volpe Rosaria

Numerical investigation on thermoelectric generators in an exhaust automotive line with aluminium foam Buonomo Bernardo, di Pasqua Anna, Manca Oronzio, Nardini Sergio

Measurements of spectrally averaged absorptivity and emissivity for a selective solar absorber in high vacuum under direct solar illumination D' Alessandro Carmine, De Maio Davide, De Luca Daniela, Musto Marilena, Di Gennaro Emiliano, Rotondo Giuseppe, Dalena Davide, Russo Roberto

Flow behaviour and pressure drop repeatability of viscous oil-water-air mixtures in medium/large horizontal pipes Colombo Luigi Pietro Maria, Guilizzoni Manfredo, Pattanaik Rahil, Sotgia Giorgio

Saturation temperature effect on heat transfer coefficient and pressure drop during convective boiling of R1234ze(E) in microfin tubes Colombo Luigi Pietro Maria, Lucchini Andrea, Phan Thanh Nhan, Molinaroli Luca, Niro Alfonso, Pozzoni Mattia

An optimized version of the VOFI library in 2D Balestrieri Fabio, Chierici Andrea, Manservisi Sandro, Scardovelli Ruben, Yecko Philip, Zaleski Stéphane

Numerical simulations of a three-dimensional conjugate heat transfer problem in a blanket shield module heat sink Cavallone Margherita, Chierici Andrea, Da Vià Roberto, Giovacchini Valentina, Manservisi Sandro

Bioheat transfer in a biological tissue: a comparison among different antennas configurations Andreozzi Assunta, Brunese Luca, Iasiello Marcello, Tucci Claudio, Vanoli Giuseppe Peter

Numerical investigation of fluid flow and heat transfer characteristics in cooling of electrical motor by using nanofluid in the spiral channel Deriszadeh Ali, De Monte Filippo

Thermo-mechanical behaviour of an injection nozzle for a cogeneration system based on the aluminum/water reaction

Angeli Diego, Castagnetti Davide, Cingi Pietro, Leonforte Adriano, Melchionda Filippo, Milani Massimo, Montorsi Luca, Sorrentino Andrea, Zanni Davide

Experimental study of a phase change material storage for low-temperature applications Besagni Giorgio, Croci Lorenzo

Thermal efficiency of a concentrating solar collector under high-vacuum De Maio Davide, D' Alessandro Carmine, De Luca Daniela, Musto Marilena, Di Gennaro Emiliano, Rotondo Giuseppe, Russo Roberto

Influence of the convective coefficient on the determination of thermal transmittance through outdoor infrared thermography Nardi Iole, de Rubeis Tullio, Paoletti Domenica, Ambrosini Dario

Monday, June 24

Modelling and simulation of convective industrial textile dryers Ferro Fabiana Federica, Rampazzo Mirco, Sisti Enrico

A thermoeconomic based method for the design of process heat solar systems Franco Alessandro, Bertola Giacomo

PM-O2 correlation in combustion processes in pellet stoves Polonini Luigi, Petrocelli Domenico, Parmigiani Simone, Lezzi Adriano

Performance of a solar assisted heat pump for building heating: control problems and improvements Tagliafico Luca Antonio, Arteconi Alessia, Cavalletti Alessandro, Marafioti Chiara, Marchitto Annalisa

Experimental and modelling evaluation of possible solutions for compact design of producer-gas heat exchangers Morselli Nicolò, Puglia Marco, Mason Jim, Parenti Massimiliano, Ottani Filippo, Tartarini Paolo

Energy performance of straw houses: two case studies in the northern part of Italy Mutani Guglielmina, Azzolino Cristina, Macrì Maurizio, Mancuso Stefania

Experimental analysis of a CO2 heat pump for instantaneous domestic hot water production Trinchieri Raniero, Pieve Maurizio, Boccardi Gino, Calabrese Nicolandrea, Rovella Paola, Saraceno Luca

Lumped parameter modelling of a thermoelectric cooler for high power electronics Casano Giovanni, Piva Stefano

A new semi-empirical correlation for driving mass-flow rate calculation through ejectors for CO2 heat pumps. Comparison with predictions of other methods Boccardi Gino, Lillo Gianluca, Mastrullo Rita, Mauro Alfonso William, Pieve Maurizio, Trinchieri Raniero

Infrared image processing for local convective heat transfer measurements in rib-enhanced channels Vitali Luigi, Gramazio Pasqualino, Fustinoni Damiano, Niro Alfonso

Flow boiling heat transfer characteristics of R245fa refrigerant in a plate heat exchanger Ghorbani Tari Zahra

14:50 – 16:30 MULTIPHASE HEAT TRANSFER 2

Influencing factors on flow boiling of carbon dioxide in enhanced tubes and comparison with correlations Mastrullo Rita, Mauro Alfonso William, Thome John Richard, Vanoli Giuseppe Peter, Viscito Luca

Measurement of the liquid film thickness during convective condensation Azzolin Marco, Berto Arianna, Lavieille Pascal, Bortolin Stefano, Miscevic Marc, Del Col Davide

Monday, June 24

Cellular structured materials obtained via additive manufacturing for electronics cooling applications Righetti Giulia, Savio Gianpaolo, Meneghello Roberto, Doretti Luca, Mancin Simone

Wavelet analysis of the pressure signal in a pulsating heat pipe Perna Roberta, Mameli Mauro, Mariotti Alessandro, Pietrasanta Luca, Marengo Marco, Filippeschi Sauro

Experimental investigation of two-side heat transfer in spacer-filled channels Ciofalo Michele, Cacciatore Filippo, Di Liberto M., Tamburini Alessandro

14: 50 – 16:30 MICROSCALE THERMAL FLUID DYNAMICS

Identification of gas flow regimes in adiabatic microtubes by means of wall temperature measurements Kashiwagi Ryoji, Hong Chungpyo, Asako Yutaka, Morini Gian Luca, Faghri Mohammad

Compressible Fanno flows in micro-channels: an enhanced quasi-2D Fanno-based numerical model Cavazzuti Marco, Corticelli Mauro A., Karayiannis Tassos G.

Numerical and experimental analysis of gas flow laminar to turbulent transition through adiabatic rectangular microchannels Barattini Davide, Rehman Danish, Morini Gian Luca

Numerical analysis of double-layered microchannel heat sinks with different microchannel heights

Savino Stefano, Nonino Carlo

Average friction factors of choked gas flow in microtubes Kang Donghun, Hong Chungpyo, Rehman Danish, Morini Gian Luca, Asako Yutaka, Faghri Mohammad

16:30 – 16:50 Coffee break

16:50 – 18.10 HEAT TRANSFER IN NUCLEAR PLANTS

Direct condensation of steam in a water tank at sub-atmospheric pressures Giambartolomei Guglielmo, Pesetti Alessio, Lo Frano Rosa, Lazzeri R., Merello C., Sarkar B., Olcese M., Aquaro Donato

Experimental study of a natural circulation loop and RELAP5-3D analysis Bertani Cristina, Falcone Nicolò, Bersano Andrea, Azzarone Alexandre, De Salve Mario, Panella Bruno

Preliminary neutron kinetic – thermal hydraulic coupled analysis of the ALFRED reactor using PHISICS/RELAP5-3D Ciurluini Cristiano, Narcisi Vincenzo, Giannetti Fabio, Cretara Luca, Caruso Gianfranco

Monday, June 24

CFD simulation of turbulent flows over wire-wrapped nuclear reactor bundles using immersed boundary method Cervone Antonio, Chierici Andrea, Chirco Leonardo, Da Via' Roberto, Giovacchini Valentina, Manservisi Sandro

16:50 – 18.10 HEAT TRANSFER IN ENERGY SYSTEMS 1

Design and implementation, within the “NANOFANCOIL” project (POR-FESR 2014-2020), of a modulating test plant to assess the performance of innovative cross flow heat recovery units for air conditioning system: preliminary results Bonfiglio Carlotta, Bozzoli Fabio, Cattani Luca, Pagliarini Giorgio, Rainieri Sara, Vilar França Milena, Vocale Pamela

Numerical and experimental study on metamaterials featuring acoustical and thermal properties Levi Elisa, Neri Manuela, Pilotelli Mariagrazia, Piana Edoardo Alessio, Lezzi Adriano Maria

Experimental determination of heat transfer rates in thermoacoustic heat exchangers Piccolo Antonio, Rando Fabrizio, Giorgio Andrea

Numerical characterization of a solar simulator Dipasquale Daniele, Brunello Pierfrancesco, Zarrella Angelo, Pertile Marco, Debei Stefano

20:00 Cocktail at Palazzo della Ragione

Tuesday, June 25

9:00 – 9:45 Keynote lecture – Room T3 Past, Present and Future of Research on Numerical Heat Transfer and Fluid Flow: a Personal Perspective Enrico Nobile, Università degli Studi di Trieste, Italy

9:50 – 10:30 COMPUTATIONAL THERMAL FLUID DYNAMICS 1

Numerical investigation of thermo-fluid dynamics in subject-specific human eyes using the generalized porous Medium approach Mohamed Salahudeen, Mauro Alessandro, Massarotti Nicola, Romano Mario, Romano Vito

Numerical simulations of the flow field within a 1:10 aspect ratio duct at intermediate Re Vignati Federica, Fustinoni Damiano, Gramazio Pasqualino, Vitali Luigi, Niro Alfonso

9:50 – 10:30 SYSTEM MODELING

Development and calibration of a 1D thermo-fluid dynamic model of ventilation in tunnels Cingi Pietro, Angeli Diego, Cavazzuti Marco, Levoni Paolo, Cipollone Maurizio

A computational model of 3D assembly for the multiscale analysis of nuclear reactors Cerroni Daniele, Da Via' Roberto, Manservisi Sandro, Zunino Paolo

9:50 – 10:30 CONDUCTION HEAT TRANSFER

Thermal properties of wood: measurements by transient plane source method in dry and wet conditions Peron Fabio, Bison Paolo, De Bei Massimiliano, Romagnoni Piercarlo

A simple test method for measurement of the interface thermal resistance of coated and uncoated metal surfaces Pedrazzi Simone, Vergnano Alberto, Allesina Giulio, Veronesi Paolo, Leali Francesco, Tartarini Paolo, Muscio Alberto

10:30–10:50 Coffee break

10:50–12:50 COMPUTATIONAL THERMAL FLUID DYNAMICS 2

Numerical simulation of electroconvection phenomena in electrodialysis Ciofalo Michele, La Cerva Mariagiorgia, Tedesco Michele, Gurreri Luigi, Cipollina Andrea, Micale Giorgio

Direct numerical simulation of turbulence past an open-cell aluminum foam Corsini Roberto, Stalio Enrico

Tuesday, June 25

Towards DES/DDES computation of the flow field and heat transfer adopting elliptic relaxation and local correlation based transition approaches D'Alessandro Valerio, Giammichele Luca, Lops Camilla, Ricci Renato

An adjoint-based temperature boundary optimal control approach for turbulent buoyancy-driven flows Chirco Leonardo, Giovacchini Valentina, Manservisi Sandro

A porous media model for a double-layered gas-to-gas micro heat exchanger operating in laminar flow regime Rehman Danish, Jojomon Joseph, Morini Gian Luca, Delanaye Michel, Brandner Jurgen

Geometric uncertainty propagation in laminar flows solved by RBF-FD meshless technique Zamolo Riccardo, Parussini Lucia

10:50–12:30 MULTIPHASE HEAT TRANSFER 3

Numerical prediction of dropwise condensation performances on hybrid hydrophobic-hydrophilic surfaces Croce Giulio, Suzzi Nicola, D'Agaro Paola

Experimental analysis of humid air condensation over a vertical surface Parin Riccardo, Tancon Marco, Bortolin Stefano, Martucci Alessandro, Del Col Davide

Simulations of paraffine melting inside metal foams at different gravity levels with preliminary experimental validation

Iasiello Marcello, Mameli Mauro, Filippeschi Sauro, Bianco Nicola

Characteristic Based Split (CBS) for natural convection solid/liquid phase change in porous media Trombetta Vincenzo

Preliminary multiparametric validation of a numerical model for the pulsating heat pipe transient simulation Abela Mauro, Mameli Mauro, Nikolayev Vadim, Filippeschi Sauro

10:50–12:50 HEAT TRANSFER IN ENERGY SYSTEMS 2

Passive solar thermal seawater distillation by a modular and low-cost assembly leveraging on latent heat recovery and capillarity Fasano Matteo, Morciano Matteo, Alberghini Matteo, Antonetto Giovanni, Chiavazzo Eliodoro, Asinari Pietro

Influence of moisture content, temperature and absorbed solar radiation on the thermal performance of a spruce XLAM wall in the Italian climates Danovska Maja, Pernigotto Giovanni, Baratieri Marco, Baggio Paolo, Gasparella Andrea

A simulation-based analysis of photovoltaic thermal hybrid solar collectors with a new TRNSYS type model Emmi Giuseppe, Bordignon Sara, Zarrella Angelo, Vivian Jacopo, Croci Lorenzo, Besagni Giorgio

Tuesday, June 25

Modelling of Natural Convective Heating of a Standard Wet Brick for Oven Energy Consumption Tests Lucchi Michael, Suzzi Nicola, Lorenzini Marco

A critical review on heat transfer coefficients between heated and cooled horizontal and vertical surfaces and the room Alessio Giulia, Carnieletto Laura, Zarrella Angelo, De Carli Michele

Load-shifting strategies in district heating networks with constant supply temperature: the case study of Verona Vivian Jacopo, Quaggiotto Davide, Ploner Edoardo, D'Isep Federico, Zarella Angelo

12: 50–14:00 Lunch

14:00–16:00 COMPUTATIONAL THERMAL FLUID DYNAMICS 3

Direct Numerical Simulation of turbulent mixed convection around a bundle of heated rods at low-Prandtl number Angeli Diego, Fregni Andrea, Stalio Enrico

Insight in thermal and fluid-dynamic properties of ribbed ducts by means of a novel clustering method Fustinoni Damiano, Vignati Federica, Gramazio Pasqualino, Vitali Luigi, Niro Alfonso

A multiscale fluid structure interaction model derived from Koiter shell equations Chierici Andrea, Chirco Leonardo, Giovacchini Valentina, Manservisi Sandro, Santesarti Gianluca

Direct Numerical Simulation of three interacting low-Prandtl-number jets in mixed convection regime Fregni Andrea, Angeli Diego, Cimarelli Andrea, Stalio Enrico

An inverse Young's modulus estimation for fluid structure interaction systems Chierici Andrea, Chirco Leonardo, Da Vià Roberto, Giovacchini Valentina, Manservisi Sandro

A finite element study on the modeling of keratoplasty Mohamed Salahudeen, Coccarelli Alberto, Mauro Alessandro, Massarotti Nicola, Romano Mario, Romano Vito, Nithiarasu Perumal

14:00–16:00 HEAT TRANSFER IN ENERGY SYSTEMS 3

Numerical modelling of a PV-T collector working as evaporator in a solar assisted heat pump Zanetti Emanuele, Del Col Davide

The almabuild benchmark: a new simulink open blockset for building energy modelling Campana Jean Pierre, Morini Gian Luca

Tuesday, June 25

Urban building energy modeling: hourly energy balance model of residential buildings at district scale Mutani Guglielmina, Todeschi Valeria

An experimental study on the transient thermal response of an electronic equipment box for UAV remote sensing applications Tanda Giovanni

A novel approach for the numerical analysis of waste-to-energy plants Arpino Fausto, Buonanno Giorgio, Cortellessa Gino, Dell'Isola Marco, Zuena Fabrizio

Numerical modelling of transient heat transfer phenomena in a refrigerated truck body during operation Artuso Paolo, Rossetti Antonio, Minetto Silvia, Marinetti Sergio, Del Col Davide

16:00–16:30 Coffee break

16:30 UIT Assembly

19:00 Bus departure

20:00 Social dinner at Castello del Catajo

Wednesday, June 26 – SYMPOSIUM ON REFRIGERANTS

8:15 – 9:00 Registration

9:00 – 9:15 Opening

9:15 – 10:00 Keynote lecture – Room T3 State-of-the-art on Refrigerants Alberto Cavallini, Emeritus Professor at Università degli Studi di Padova, Italy

10:00 – 10:35 Invited lecture – Room T3 Refrigeration - the Road to the future, somewhat rocky, somewhat promising

Srinivas Garimella - Georgia Institute of Technology, USA

10:35 – 10:55 Coffee break

10:55 – 11:30 Invited lecture – Room T3 Low charge ammonia systems Pega Hrnjak - University of Illinois at Urbana-Champaign, USA

11:30 – 12:05 Invited lecture – Room T3 Hydrocarbon systems designed for low charge Bjorn Palm - KTH Royal Institute of Technology, Sweden

12:05 – 12:40 Invited lecture – Room T3 Milestones on the path of CO2 becoming the natural refrigerant choice Petter Neksa - Norwegian University of Science and Technology, Norway

12:40 – 13:15 Invited lecture – Room T3 Refrigerant maldistribution in BPHE evaporators Jose Miguel Corberan - Universidad Politecnica de Valencia, Spain

13:15 – 14:20 Lunch

14:20 – 16:40 REFRIGERANTS: HEAT TRANSFER

Experimental investigation of R513A flow boiling inside smooth tube and microfin tube Diani Andrea, Savio Enrico, Rossetto Luisa

Condensation and vaporization heat transfer of low-GWP mixtures Bortolin Stefano, Azzolin Marco, Berto Arianna, Guzzardi Costantino, Del Col Davide

Effect of refrigerant properties estimation on the prediction capabilities of well established two phase heat transfer and pressure drop models for new refrigerants Righetti Giulia, Akasaka Ryo, Bobbo Sergio, Brown J. Steven, Fedele Laura, Higashi Yukihiro, Longo Giovanni A., Mancin Simone, Zilio Claudio

Wednesday, June 26 SYMPOSIUM ON REFRIGERANTS

Flow boiling of azeotropic and non-azeotropic mixtures. Effect of the glide temperature difference on the nucleate boiling contribution: assessment of methods Mastrullo Rita, Mauro Alfonso William, Napoli Giovanni, Pelella Francesco, Viscito Luca

Characteristics of propane evaporation in a microfinned tube with internal diameter of 4.47 mm Allymehr Ehsan, Eikevik Trygve Magne, Hafner Armin

A new experimental correlation for the design of a H2O/LiBr falling film absorber with a horizontal tube bundle Lonardi Federico, Olbricht Michael, Luke Andrea

Study of an evaporator with integrated latent heat storage for a compressed air dryer Berto Arianna, Azzolin Marco, Simionato Filippo, Stevanin Enrico, Villa Alberto, Del Col Davide

14:20 – 16:40 REFRIGERANTS: APPLICATIONS

Analysis of risk assessment for the use of A2L refrigerants Bortolin Stefano, Mancini Ferdinando, Martin Luca, Del Col Davide

First experimental results of the use of R1234yf and R1234ze(E) as drop-in substitutes of R134a in a water-to-water heat pump Molinaroli Luca, Lucchini Andrea, Colombo Luigi Pietro Maria, Bocchinfuso Francesco

Experimental and numerical activity on a prototype ejector chiller Mahmoudian Jafar, Mazzelli Federico, Milazzo Adriano, Rocchetti Andrea

Impact of PWM Valve Unsteadiness on the performance of a Commercial Display Cabinet Evaporator Artuso Paolo, Rossetti Antonio, Minetto Silvia, Marinetti Sergio, Ferrari Francesco

An integrated CO2 unit for heating, cooling and DHW installed in a hotel. Data from the field Tosato Giacomo, Girotto Sergio, Minetto Silvia, Rossetti Antonio, Marinetti Sergio

Energy analysis of transcritical CO2 booster systems for commercial refrigeration Dugaria Simone, Azzolin Marco, Calabrese Livio, Minetto Silvia, Del Col Davide

Increased efficiency of combined heat and power plants by utilizing waste heat for resorption chillers and their combination with hydrocarbon chillers Ziegler Oliver, Hesse Ullrich, Thomas Christiane

16:40 – 17:00 Coffee break

17:00 – 17:50 Panel discussion

17:50 Closing ceremony