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Laboratórios de Pesquisa em Refrigeração e TermofísicaResearch Laboratories for Emerging Technologies in Cooling and Thermophysics
POLO Labs: Overview
Laboratórios de Pesquisa em Refrigeração e TermofísicaResearch Laboratories for Emerging Technologies in Cooling and Thermophysics
POLOResearch Laboratories for Emerging
Technologies in Cooling and Thermophysics
32year
s
1982
2006 2009
2014
Research is the backbone of all
technological innovations
Industry is a source of opportunities for advancing basic
scientific knowledge
Our Beliefs and
Values
research activities
product developme
nt
o Turbulence and Jet Noiseo Thermophysical Characterization of
Fluids o Wire-and-tube Condensers o Tube-fin Condensers o Tube-fin Evaporators & Frost Formation o No-frost Evaporators o Refrigeration controlso Not-in-kind Refrigeration Cycleso Thermal managemento Multiphase Flows o Emerging Refrigeration Technologieso Thermodynamics of Mixtureso Miniaturized Heat Exchangers
o CO2 Refrigeration Systems o Expansion Deviceso Compressor Valves o Compression Technologies o Climate-Controlled Test Roomso Wind Tunnels
Laboratories
Ecole Polytechnique Fédérale de Lausanne, Switzerland
National Laboratory for Sustainable Energy (Risø),Technical University of Denmark
Karlsruher Institut für Technologie, Germany
UT University of Twente, Netherlands
Université Lille 1, France
Partnerships
Institute of Sound and Vibration ResearchUniversity of Southampton, UK
Texas A&M University, USA
Imperial College London, England
Partnerships
Partnership initiated in 198232
years
cylinderblock
connecting rod
shaft outlet
oil film
oil sheet
shaft outlet
shaftconnecting
rodpiston
valve plate
cylinder
inlet
suctionmuffer
motorreedpump
oil sump
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…
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…
17 year
s
Bosch und Siemens Hausgeräte GmbH
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 2005
09 year
s
Partnership initiated in 2008
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.
Investigation of noise and installation effects of high-subsonic jets in flight.
Assessment of nozzle geometries as a mechanism to control noise.
06years
Gas-liquid flows in pipelines;
Thermophysical properties of high-pressure CO2-mixtures;
Thermal insulation of HPHT wells;
Development of mathematical
models for simulating transient
two-phase flows in natural gas
wells.
Partnership initiated in 200905
years
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 201305
years
Surfactant injection to
improve production in gas
wells;
Foam behavior during well
unloading;
Transport of solids in
horizontal wells.
Partnership initiated in 2014
~110 persons
Team
31825323179
professorsPh.D. studentsM.Sc. studentsB.Sc. studentsengineerstechniciansstaff
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.
HumanResource
s
Human resources
of R&D employees
*Magazine Development Challenges, IPEA, Edition 26
40% are UFSC
alumni
Publications140+
M.Sc. Dissertations.
Ph.D. Thesis
technical publications in refereed Brazilian journals and conferences and…
… in international conferences and journals
30+
250+
500+
6th Brazilian company with the largest number of awarded patents in Brazil (2nd in the USA)
Patents
188
in partnership with UFSC
266518
EMBRACO
protected inventions in Brazil in the last 5 years
world deposits
Laboratórios de Pesquisa em Refrigeração e TermofísicaResearch Laboratories for Emerging Technologies in Cooling and Thermophysics
César J. [email protected]
Federal University of Santa CatarinaDepartment of Mechanical Engineering
88040-900 – Florianópolis – SC - Brazil phone +55 (48) 3721-9397
http://www.polo.ufsc.br
