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IIR document

What will Professor Rankine inspire in you?
- Author(s) : SPANSWICK I.
- Publication date: 2020/07/31
- Languages : English
- Keywords : Rankine, Organic Rankine cycle, Heat pump, Generality, Chiller
- Source: IIR Rankine Conference 2020.
- Formats : PDF
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Dynamic simulation of a supercritical ORC using low-temperature geothermal heat.
- Author(s) : VETTER C., WIEMER H. J.
- Publication date: 2015/04/19
- Languages : English
- Keywords : Rankine, Geothermy, Low temperature, Simulation, Cycle
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IIR document

Analysis of the trilateral flash cycle and the partially evaporating cycle for power production from low temperature heat sources.
- Author(s) : TRAEDAL S., ROHDE D., EIKEVIK T. M.
- Publication date: 2014/08/02
- Languages : English
- Keywords : Rankine, Heat transfer coefficient, Low temperature, Power, Heat source, Production, Modelling, Thermodynamic cycle, Pressure drop
- Source: 11^thIIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
- Formats : PDF
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Recommended by the IIR / IIR document

Evaluation of different ORC power plant concepts for geothermal heat and power generation.
- Author(s) : TOSELLI D., ELLER T., WEITH T., HEBERLE F., BRÜGGEMANN D.
- Publication date: 2020/07/31
- Languages : English
- Keywords : Organic Rankine cycle, Renewable energy, Geothermy, Heat, Production, Economy, Model, Electricity
- Source: IIR Rankine Conference 2020.
- Formats : PDF
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IIR document

Experimental investigation on ejector performance near critical back pressure.
- Author(s) : WANG L., WANG C., HOU W., et al.
- Publication date: 2017/08
- Languages : English
- Keywords : Performance, Modelling, Pressure, Expérimentation, Ejector
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 80
- Formats : PDF
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IIR document

Thermodynamic model for all modes performance analysis of supersonic ejector considering non-uniform distribution of flow field.
- Author(s) : LIU J., WANG L., JIA L., et al.
- Publication date: 2018/12
- Languages : English
- Keywords : Velocity (fluids, gases), Thermodynamics, Modelling, Pressure, Ejector, Flow, Distribution
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
- Formats : PDF
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IIR document

Thermal and economic modeling and optimization of a novel combined ejector refrigeration cycle.
- Author(s) : SANAYE S., EMADI M., REFAHI A.
- Publication date: 2019/02
- Languages : English
- Keywords : Exergy, Electricity, Consumption, Vapour, Optimization, Modelling, Ejector, Cycle, Cost, COP
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 98
- Formats : PDF
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IIR document

Ejector characterization for refrigeration applications with natural refrigerants.
- Author(s) : MILAZZO A., COPPOLA M. A., CORTELLA G., et al.
- Publication date: 2018/06/18
- Languages : English
- Keywords : Natural refrigerant, R744, R717, Ammonia, Modelling, Ejector, CO2, Hot climate
- Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
- Formats : PDF
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IIR document

Numerical modeling of a supersonic steam ejector for a heat powered refrigeration systems.
- Author(s) : MAZZELLI F., GIACOMELLI F., MILAZZO A.
- Publication date: 2018/06/18
- Languages : English
- Keywords : Comparison, CFD, Vapour, Chiller, Modelling, Ejector
- Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
- Formats : PDF
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IIR document

Energetic and exergetic analyses of ejector cooling cycle with feed pump driven by expander.
- Author(s) : CHEN G., IERIN V., VOLOVYK O., et al.
- Publication date: 2019/08/24
- Languages : English
- Keywords : Exergy, Efficiency, R245ca, Pump, Performance, Modelling, Expander, Ejector, COP
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
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Novel ejector refrigeration system without pump.

[In Chinese. / En chinois.]
- Author(s) : PENG G., LI S., LI M.
- Publication date: 2015/01
- Languages : Chinese
- Keywords : Ejector system, Simulation, Performance, Optimization, Ejector, Compression
- Source: HV & AC - vol. 45 - n. 299
- Formats : PDF
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IIR document

A methodology for the prediction of back-pressure induced stall in eductor-jet pumps.
- Author(s) : JIGE D., KIKUCHI S., HIKARU E., et al.
- Publication date: 2018/11
- Languages : English
- Keywords : Jet, Ejector system, CFD, Pump, Performance, Pressure, Expérimentation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 95
- Formats : PDF
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IIR document

Improvement of the wet steam ejector performance in a refrigeration cycle via changing the ejector geometry by a novel EEC (Entropy generation, Entrainment ratio, and Coefficient of performance) method.
- Author(s) : FOROOZESH F., BAK KHOSHNEVIS A., LAKZIAN E.
- Publication date: 2020/02
- Languages : English
- Keywords : Geometry, Ejector system, Simulation, Performance, Entropy, COP, Water
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 110
- Formats : PDF
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IIR document

Vortex tube heat booster to improve performance of heat driven cooling cycles.
- Author(s) : ZHU J., ELBEL S.
- Publication date: 2015/08/16
- Languages : English
- Keywords : Ejector system, Vortex tube, Cooling, Simulation, Performance, Optimization, Waste heat
- Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
- Formats : PDF
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IIR document

An experimental investigation on a modified cascade refrigeration system with an ejector.
- Author(s) : LI Y., YU J., QIN H., et al.
- Publication date: 2018/12
- Languages : English
- Keywords : Energy consumption, Prototype, Cascade system, Expérimentation, Ejector, Expansion, Freezer
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
- Formats : PDF
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See all results in the Fridoc database

R1234yf as a working fluid in Organic Rankine Cycle systems

A recent review article presented the use of HFO R1234yf and its mixtures in Organic Rankine Cycle (ORC) systems, namely in applications for waste heat recovery from internal...
- Publication date : 2021/09/07
- Subjects: Technology
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Germany: air-cycle air conditioning systems for high-speed trains

Liebherr provided cold air systems based on an environmentally friendly technology.
- Publication date : 2017/03/27
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Two-phase ejectors: a high potential for energy savings

Two review papers recently published in the IJR highlight ejectors as a promising solution to dramatically improve the efficiency of vapour compression refrigeration systems and outline the challenges that...
- Publication date : 2020/11/27
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Recent developments in advanced ejector technology

The objective of this paper published in the International Journal of Refrigeration is to present a review of developments in the use of ejectors focusing on the past several years.
- Publication date : 2016/08/12
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Use of ejectors for performance improvement in CO2 commercial refrigeration systems

Expansion work recovery by means of a two-phase ejector is an attractive option for improving the efficiency of CO2 commercial refrigeration systems. Transcritical CO2 systems have relatively large throttling loss, meaning that they offer the...
- Publication date : 2016/05/13
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A new efficient and portable electrocaloric cooling device

Researchers with the University of California and SRI International describe a new electrocaloric cooling device and its possible applications.
- Publication date : 2018/05/14
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Solar ejector refrigeration systems: benefits and latest developments

Two IJR articles present the latest advancements in this technology and in particular the advantages of variable geometry ejectors and low-GWP refrigerants in terms of performance.
- Publication date : 2020/06/26
- Subjects: Developing country
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IIR Rankine Conference 2020: Which alternative working fluids for ORC systems?

HFOs (hydrofluoroolefins), HCFOs (hydrochlorofluoroolefins) and hydrocarbons were the main alternatives to HFC245fa presented during the IIR Rankine Conference 2020.
- Publication date : 2020/09/04
- Subjects: HFCs alternatives
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An ejector refrigeration system optimised for sub-zero temperatures on fishing vessels

Large amounts of diesel fuel are used to power fishing vessels engines and on-board refrigeration systems. In a recent theoretical study, an energy-efficient sub-zero refrigeration system proposed based on a...
- Publication date : 2021/05/31
- Subjects: Technology
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GL2018 highlights: CO2 systems now competitive in any climate

During the Gustav Lorentzen conference, which took place in Valencia in June 2018, CO2 was the refrigerant with the highest number of papers, with an emphasis on transcritical CO2 systems and technical solutions which would improve the energy...
- Publication date : 2018/08/08
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Overview of data center cooling technologies

The very huge growth in Internet traffic requires the continued development of new energy-efficient data center cooling technologies, based primarily on liquid...
- Publication date : 2022/12/15
- Subjects: Technology
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Refrigerated transport: innovations and challenges for sustainability

Review of the most promising technologies for refrigerated transport: vapour compression systems with natural refrigerants, photovoltaic systems with electrical energy storage,...
- Publication date : 2022/04/29
- Subjects: HFCs alternatives, Technology
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Summary of two papers of the 9th International Conference on Compressors and Coolants (ICCC2017)

The IIR 9th International Conference on Compressors and Coolants (ICCC2017), which took place in Bratislava, Slovakia, in September 2017, addressed advances in compressors but also refrigerating technologies and alternative refrigerants, as...
- Publication date : 2018/01/10
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ICR2019: overview of current refrigeration research topics (part III)

Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.
- Publication date : 2019/10/30
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Member news: Mirai Intex releases new high capacity ultra-low temperature refrigeration system

Mirai Intex, corporate member of the IIR, has released a new ultra-low temperature (ULT) system based on air-cycle technology, offering high cooling capacity.
- Publication date : 2021/03/09
- Subjects: HFCs alternatives, Technology
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Member news: Mirai Intex ultra-low temperature refrigeration system at the ACHEMA trade show in Germany

Mirai Intex, corporate member of the IIR, will present its MC 15 C/W/T closed-cycle refrigeration machine at the ACHEMA trade show in August 2022 in Germany.
- Publication date : 2022/08/16
- Subjects: Technology
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