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POLO Labs: Overview. 2014. POLO. Research Laboratories for Emerging Technologies in Cooling and Thermophysics. 32 years. Our Beliefs and Values. Research is the backbone of all technological innovations. Industry is a source of opportunities for advancing basic scientific knowledge.
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2014 POLO Research Laboratories for Emerging Technologies in Cooling and Thermophysics 32years
Our Beliefs and Values Research is the backbone of all technological innovations Industry is a source of opportunities for advancing basic scientific knowledge product development research activities
Laboratories • Turbulence and Jet Noise • Thermophysical Characterization of Fluids • Wire-and-tube Condensers • Tube-fin Condensers • Tube-fin Evaporators & Frost Formation • No-frost Evaporators • Refrigeration controls • Not-in-kind Refrigeration Cycles • Thermal management • Multiphase Flows • Emerging Refrigeration Technologies • Thermodynamics of Mixtures • Miniaturized Heat Exchangers • CO2 Refrigeration Systems • Expansion Devices • Compressor Valves • Compression Technologies • Climate-Controlled Test Rooms • Wind Tunnels
Partnerships Ecole Polytechnique Fédérale de Lausanne, Switzerland National Laboratory for Sustainable Energy (Risø), Technical University of Denmark KarlsruherInstitutfürTechnologie, Germany University of Twente, Netherlands UT Université Lille 1, France Texas A&M University, USA InstituteofSoundandVibrationResearch UniversityofSouthampton, UK Imperial College London, England
32 years Partnership initiated in 1982 • Development of numerical models for thermal analysis of compressors; • Numerical prediction of fluid-structure interaction in compressor valves; • Thermodynamic and performance analysis of scroll compressors and micro-compressors; • Theoretical and experimental analysis of capillary tubes and heat exchangers; • Transient simulation of refrigeration systems; • Frost formation on tube-fin evaporators; • Phase equilibrium and volumetric behavior of mixtures of natural fluids and lubricant oils; • Development of passive and active magnetocaloric regenerators; • inter alia…
17 years Partnership initiated in 1997 • Heat flux distribution on the external walls of household refrigerators; • Air velocity distribution in the freezer compartment of a top-mount refrigerator; • Experimental and numerical analysis of roll-bond and no-frost evaporators; • Frost formation in household refrigerators (inner liners and evaporators); • Steady-state, transient and quasi-steady simulation of no-frost refrigerators; • Experimental investigation on the popping and expansion noises in HO refrigerators; • Measurement of the air infiltration leakage through the refrigerator gaskets; • Measurement of the thermal-hydraulic performance of WoT & PoT condensers; • inter alia…
Bosch und Siemens Hausgeräte GmbH 09 years Partnership initiated in 2005 • Experimental analysis of the heat transfer through the door of a household refrigerator • Optimization of no-frost evaporators • Optimization of wire-on-tube condensers • Evaluation of the air temperature and velocity distribution in household refrigerators • Performance evaluation of household refrigerators • Identification of the root causes of the scratching noise in household refrigerators
Partnership initiated in 2008 06 years • Investigation of noise and installation effects of high-subsonic jets in flight. • Assessment of nozzle geometries as a mechanism to control noise. • Analysis of the temperature effect on noise generation and propagation. • Development of dedicated experimental facilities to characterize jet noise. • Evaluation of prediction methods, assessing their capability to support the design process.
05 years Partnership initiated in 2009 • Gas-liquidflows in pipelines; • Thermophysical propertiesof high-pressure CO2-mixtures; • Thermalinsulationof HPHT wells; • Development of mathematical models for simulating transient two-phase flows in natural gas wells.
05 years Partnership initiated in 2013 • Performance assessment of two Imbera Coolers; • Performance analysis of CO2 hermetic sealed compressors; • Performance assessment of a glass door beverage cooler - A case study: HFC-13ax CO2, • Multi-speed approach to CO2 Refrigeration systems: A fundamental study on thermodynamic cycles.
Partnership initiated in 2014 • Surfactantinjectionto improve production in gaswells; • Foambehaviorduringwellunloading; • Transportofsolids in horizontal wells.
Team ~110 persons 3 18 25 32 3 17 9 professors Ph.D. students M.Sc. students B.Sc. students engineers technicians staff
Human Resources POLO stimulates both the technical and personal development of its students, who are encouraged to join our industry partners as soon their studies are completed.
Human resources 40% of R&D employees are UFSC alumni *Magazine Development Challenges, IPEA, Edition 26
Publications 140+ M.Sc. Dissertations. Ph.D. Thesis technical publications in refereed Brazilian journals and conferences and… … in international conferences and journals 30+ 250+ 500+
Patents EMBRACO 6th Brazilian company with the largest number of awarded patents in Brazil (2nd in the USA) protected inventions in Brazil in the last 5 years 188 2665 world deposits in partnership with UFSC 18
Laboratórios de Pesquisa em Refrigeração e Termofísica Research Laboratories for Emerging Technologies in Cooling and Thermophysics César J. Deschamps deschamps@polo.ufsc.br Federal University of Santa Catarina Department of Mechanical Engineering 88040-900 – Florianópolis – SC - Brazil phone +55 (48) 3721-9397 http://www.polo.ufsc.br