Jun 14, 2010 ... SZ CHKT. RCR4-1. 11:20 SPACE FOR COMPANIES. • Introduction to brazed
aluminum heat exchangers, C. Martin-Callizo, Sapa Group.
Sustainable Refrigeration and Heat Pump Technology Conference, 2nd IIR Workshop on Refrigerant Charge Reduction, Stockholm, Sweden, 2010
Sunday June 13 19.30, Informal get‐together at Clarion Hotel Tapto, Jungfrugatan 57.
Monday June 14 8.20 9.00 9.20 10.00 10.20
Registration OPENING OF THE CONFERENCE Keynote 1: What's happening to our Climate? Coffee Keynote 2: The search for natural refrigerants and sustainable solutions greatly improves the art and science of refrigeration CO2 11.00 A simplified model of CO2‐gas cooler 11.20 Energy impact of the superheat associated to a semihermetic compressor in a transcritical CO2 refrigeration plant 11.40 Co‐simulation of a heat pump using R744 as refrigerant 12.00 Development of a transcritical R744 soft serve ice cream making machine 12.20 Lunch 13.20 Experimental evaluation of the internal heat exchanger in a transcritical CO2 refrigeration plant 13.40 Evaluation of the potential performance of a Voorhees‐ modified R744 transcritical cycle 14.00 Exergy analysis in CO2 heat pumps 14.20 Excellent heat rejection from CO2 near the critical point – opportunity for high efficiency 14.40 Development challenges in CO2 commercial refrigeration systems OTHER REFRIGERANTS 15.00 Development and evaluation of high performance, low GWP refrigerants for AC and refrigeration 15.20 Coffee 15.40 Advanced technologies for evaluating sustainable low GWP refrigerants 16.00 Keynote 3: Sustainability with prospective refrigerants An application of the extended corresponding state model to 16.40 thermodynamic property calculations for trans‐1,3,3,3‐ tetrafluoropropen (HFO‐1234ze(E)) 17.00 Probability in ammonia refrigeration risk assessment ENERGY STORAGE 17.20 Thermal energy storage for sustainable future: Impact of power enhancement on storage performance 17.40 Lab tour
R. Jansson:
Stockholm U., KL‐1
P. Hrnjak
U. Illinois
KL‐2
A.Aittomäki
Tampere U.
CO2‐1
R. Llopis
Jaume I U
CO2‐2
F. Beber C. Zilio
Stiebel Eltron CO2‐3 U. Padova CO2‐4
D. Sánchez
Jaume I U.
CO2‐5
F. Tarani
U. di Firenze
CO2‐6
A. Stegou Sagia P. Hrnjak
NTU. Athens
CO2‐7
U Illinois
CO2‐8
B. Olsommer T. Leck
Carrier
CO2‐9
Du Pont
OR‐1
J. Hegewald
ILK Dresden
OR‐2
A. Cavallini R. Akasaka
U Padova Kyushu Sangyo U.
KL‐3 OR‐3
A. Lindborg
Ammonia partnership KTH Sweden
OR‐4
J. Chiu
ES‐1
Sustainable Refrigeration and Heat Pump Technology Conference, 2nd IIR Workshop on Refrigerant Charge Reduction, Stockholm, Sweden, 2010
Tuesday June 15 8.00 8.40 9.00 9.20
Keynote 4: Sustainable heat pumping: What does it look like? How do we get there? OPTIMIZATION, INSTALLATION, MAINTENANCE Analytical expressions for optimum flow rates in evaporators and condensers of heat pumping systems Energy savings through liquid pressure amplification in refrigeration systems Comparison of different refrigerant circuit layouts for two condensers with air and water as sink sources
9.40 Optimization through performance inspections 10.00 Coffee 10.20 Best practice: Data center cooling using CHCP technology HEAT TRANSFER AND PRESSURE DROP 10.40 Heat transfer and pressure drop during condensation of the low GWP refrigerant R1234yf 11.00 Numerical and experimental study of a sprayed air‐cooled condenser 11.20 Condensation heat transfer of R407C in a plate heat exchanger 11.40 Studies on the heat and mass transfer properties on structured plate heat exchangers 12.00 Evaporator optimization for non‐uniform air distribution 12.20 13.20 14.00
Lunch VAPOR COMPRESSION REFRIGERATION SYSTEMS Keynote 5: Current trends in commercial refrigeration Vertical display cabinets and influence of door frequencies on temperatures and energy consumption – in a laboratory and under real conditions 14.40 Field measurements and comparison of super market refrigeration systems 15.00 Compact refrigeration unit for mobile air conditioning 15.20 Coffee 15.40 Keynote 6: A perspective on the energy savings in household refrigerators 16.20 Energy usage statistics and saving potential in ice rinks 16.40 Urban form and energy vision in low carbon cities 17.00 District cooling system: The most efficient system for urban applications 19.30 Sustainable Refrigeration Conference Dinner
C. Bullard:
U Illinois
KN‐4
E. Granryd
KTH
OIM‐1
A. Hadawey Brunel U J. Gonzálvez‐ Maciá K. Berglöf
OIM‐2
UP Valencia
OIM‐3
ClimaCheck
OIM‐4
T. TU Berlin Zegenhagen D. Del Col U Padova
OIM‐5 HPD‐1
J. Tissot
Nancy U
HPD‐2
S. Mancin
U Padova
HPD‐3
B. Austrian IT Hebenstreit P. NIST Domanski
HPD‐4
M. Kauffeld HS Karlsruhe U. Lindberg SP
KL‐5 VCR‐1
J. Rogstam
IUC
VCR‐2
C. Malvicino
Fiat
VCR‐3
C. Melo
U Santa Catarina IUC Tongji U GDF SUEZ
KL‐6
J. Rogstam W. Long P. Poeuf
HPD‐5
VCR‐4 VCR‐5 VCR‐6
Sustainable Refrigeration and Heat Pump Technology Conference, 2nd IIR Workshop on Refrigerant Charge Reduction, Stockholm, Sweden, 2010
Wednesday June 16, morning 8.00
Morning session, Room A: Keynote 7: Efficient heat pumping ‐ applications and technologies VAPOR COMPRESSION HEAT PUMPS 8.40 Comprehensive summary of borehole heat exchanger research at KTH 9.00 Ground‐source heat pump with a 100 m deep borehole heat exchanger – Start up and first results 9.20 A novel heat pump water heater performance analysis at variable conditions 9.40 Global unsteady state simulation of compression type heat pump with modular analysis 10.00 Coffee 10.20 Keynote 9: History and future of renewable cooling 11.00 Improving integration and reliability of heat pumps in industrial drying processes 11.20 Study of frost growth on an air heat pump outside coil 11.40 Experimental studies on the icing‐onset on plates in low speed flows 12.00 Frost properties on the fin and tube under heat pump condition 12.20 Lunch 9.00 9.40 10.00 10.20 11.00 11.20 11.40 12.00 12.20
Morning session, Room B: Indirect systems Keynote 8: What to consider when using secondary fluids in indirect systems MgSO4 aqueous slurries as secondary refrigerant Coffee (Keynote 9 in Room A) A novel decentralised pump concept for indirect refrigeration systems Design of a new circulation loop based on CO2 hydrate kinetics Ice rinks using carbon dioxide as secondary refrigerant Corrosion prevention methods in indirect systems with secondary refrigerants Lunch
E. Granryd
KTH
KL‐7
J. Acuna
KTH
VCH‐1
V. Soldo
U Zagreb
VCH‐2
H. Lin
ITRI
VCH‐3
K. Ohno
Waseda U
VCH‐4
KL‐9
S. van der Sluis V. Minea F. Busato C. Reichl
Hydro‐Québec VCH‐5 LTE U Padova VCH‐6 AIT VCH‐7
K. Cho
Sungkyunkwan U
VCH‐8
Å. Melinder KTH
KL‐8
A. Anastase TU Bucharest
IS‐1
J. Rogstam
IUC
IS‐2
S. Jerbi
Cemagref
IS‐3
J. Rogstam M. Ignatowicz
IUC KTH
IS‐4 IS‐5
2nd IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems 11.30 Registration 12.20 Lunch
Sustainable Refrigeration and Heat Pump Technology Conference, 2nd IIR Workshop on Refrigerant Charge Reduction, Stockholm, Sweden, 2010
Wednesday June 16, afternoon Afternoon session, Room A NON‐VAPOR COMPRESSION SYSTEMS 13.20 Experimental and theoretical performance analysis of a small scale absorption chiller 13.40 Primary energy optimized operating strategies of absorption systems in CHCP networks 14.00 Energy and exergy analysis of m.p.c. absorption chiller 14.20 Magnetic heat pump with ground heat source 14.40 Experimental study on cooling characteristics of rotational magnetic refrigerator 15.00 Air cycle air conditioning: Analysis of different configurations 15.20 Coffee 15.40 Performance of ammonia based ejection refrigeration system: a naturally green approach 16.00 Closing ceremony, Sustainable Refrigeration 13.20 13.40
14.20
Afternoon session, Room B REFRIGERANT CHARGE REDUCTION session 1 Welcome and opening of Workshop on Charge Reduction RCR Keynote 1: Developments on charge reduction and microchannel technology ‐ Mass flux as a way to affect void fraction – charge Recent developments in CO2 cascade condensers
14:40 Modelling of performance and charge in minichannel heat exchangers 15:00 Experimental investigation of two‐phase pressure drops in return bends using R410A 15:20 Coffee REFRIGERANT CHARGE REDUCTION session 2 15:40 Effect of refrigerant charge on global performances of a Transcritical CO2 heat pump 16:00 Two‐phase flow distribution in the header of a compact heat exchanger 16:20 Heat transfer performance of a mini‐channel evaporator for heat pump application 16:40 Effect of refrigerant charge on performance of room air‐ conditioning system 17:00 Presentation of the
U Rovira i Virgili TU Berlin
NVC‐1
Marun Petrochemic al U Ljubljana Hokkaido IRI
NVC‐3
NVC‐4 NVC‐5
S. Hirano G. Grazzini
UniFI
NVC‐6 NVC‐7
S. K. Sharma
India
M. Marimón M. Mittermaier F. Panahi Zadeh A. Kitanovski
P. Hrnjak
U. Illinois, USA
KL RCR 1
A. Jokar
Thermofluids RCR1‐1 Tech
E. Da Riva
U. Padova
RCR1‐2
M. Padilla
U. Lyon, INSA‐Lyon
RCR1‐3
S. Colasson
CEA Grenoble
RCR2‐1
P. Leblay
Cemagref
RCR2‐2
S. Mortada
Mines‐ ParisTech
RCR2‐3
M. Kikuchi
Waseda U
RCR2‐4
IIR Working Party on Mitigation of Direct Emissions of Greenhouse Gases
19.30 RCR Workshop dinner
NVC‐2
2nd IIR Workshop on Refrigerant Charge Reduction, Stockholm, Sweden, 2010
Thursday June 17 8.20 9:00 9:20 9:40 10.00 10:20 11:00 11:20
12.20 13.20
14:00 14:20 14:40 15.20 16.00
REFRIGERANT CHARGE REDUCTION session 3 RCR Keynote 2: Direct and indirect emissions: comparison of D. Clodic Mines‐ Commercial refrigeration and Mobile air conditioning ParisTech emission impacts Low charge flooded ammonia evaporator with separator R. Alfa Laval vessel Christensen Design and experimental analysis of a water chiller using L. Cecchinato U. Padova ammonia as refrigerant Using ice slurry as secondary refrigerant for charge reduction UP F. Illan in industrial facilities Cartagena Coffee REFRIGERANT CHARGE REDUCTION session 4 RCR Keynote 3: Reducing refrigerant emissions and leakage ‐ D. Cowan UK Institute an overview and feedback from two EU projects of Refrig. Refrigerants logging and reporting P. Tomlein SZ CHKT SPACE FOR COMPANIES • Introduction to brazed aluminum heat exchangers, C. Martin‐Callizo, Sapa Group • A new heat exchanger geometry for next condenser generation with ultra low refrigerant charge, S. Filippini, LU‐VE. • Limited charge shell‐and‐tube ammonia spray evaporator with enhanced tubes, Zahid Ayub, Isotherm Lunch REFRIGERANT CHARGE REDUCTION session 5 LATEST PROGRESS ON MICROCHANNEL TECHNOLOGY AT KTH: • Flow boiling heat transfer and visualization in circular microchannels, R. Ali • Heat Transfer in microchannel heat exchangers, C. Martin‐Callizo Low charge system behavior ‐ Interaction of heat exchanger G. Mader Danfoss volumes and charge Arcelik A.S., Experimental investigation of charge distribution in a vapor B.Ozyurt R&D Center compression refrigeration cycle Turkey RCR Keynote 4: Role, sizing and influence of the liquid J.M. UP Valencia, receiver Corberan Closing ceremony Meeting of the IIR Working Party on Refrigerant Charge Reduction
Friday June 18 Study visits: Starting at 8.20 we will visit the following three sites: • Supermarket with CO2 refrigeration system • World’s largest heat pumps at Värtan, supplying district heating and district cooling to Stockholm city • Desiccant cooling of Scandic Infra City Hotel by DesiCool system.
KL RCR 2
RCR3‐1 RCR3‐2 RCR3‐3
KL RCR 3 RCR4‐1 RCR4‐2 RCR4‐3 RCR4‐4
RCR5‐1 RCR5‐2 RCR5‐3 RCR5‐4 KL RCR 4