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IIR document

Effect of liquid/vapour maldistribution on the performance of plate heat exchanger evaporators.

• Author(s) : JENSEN J. K., KÆRN M. R., OMMEN T., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Heat transfer coefficient, Liquid-vapour, Performance, Modelling, Evaporator, Flow, Heat exchanger, Plate exchanger, Distribution, Pressure drop
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Refrigerant charge reduction in vapor compression refrigeration cycles via liquid-to-suction heat exchange.

• Author(s) : HERMES C. J. L.
• Publication date: 2015/04
• Languages : English
• Keywords : Suction, Mechanical vapour compression, Liquid-vapour exchanger, Reduction, Refrigerant charge, Heat exchanger
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 52
• Formats : PDF

Separation of liquid and vapor in header of MCHE.

• Author(s) : LI J., HRNJAK P.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Two-phase flow, Microchannel, Liquid, Vapour, Separation, Modelling, Heat exchanger
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Single-phase flow pressure drop of R134a vapor and liquid in the vertical header of multi-pass microchannel heat exchanger.

• Author(s) : ZOU Y., HRNJAK P.
• Publication date: 2014/07/14
• Languages : English
• Keywords : R134a, Nitrogen, Microchannel, Liquid, Vapour, Expérimentation, Flow, Refrigerant, Heat exchanger, Pressure drop
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Impact of liquid/vapor maldistribution on the performance of a plate heat exchanger evaporator for pure and mixed refrigerants.

• Author(s) : MANCINI R., AUTE V., MARKUSSEN W. B., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : R1270, R1234yf, Propylene, Butane, Liquid-vapour, Heat transfer, R600, R1234ze(E), Zeotropic mixture, Heat exchanger, Plate exchanger, Distribution
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Development of a novel refrigerated transport system using a combination of liquid nitrogen expansion and mechanical vapour compression.

• Author(s) : TEYSSANDIER E., METCALF P., OWEN N., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Rankine, Liquid nitrogen, Refrigerated transport, Compression system, Performance, Testing, Expansion
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Experimental investigations of propane minichannel condenser.

• Author(s) : GAGAN J., BUTRYMOWICZ D., DUDAR A., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Heat transfer, Propane, Expérimentation, Condenser, Heat exchanger, Pressure drop
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Development of high efficiency cycles for domestic refrigerator-freezer application.

• Author(s) : YANG M., JUNG C. W., KANG Y. T.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Experimental studies on a bubble absorber with swirl entry of refrigerant vapour.

• Author(s) : SANIKOMMU N. R., MANI A., TIWARI S.
• Publication date: 2022
• Languages : English
• Keywords : Heat transfer, Mass transfer, Absorption system, Absorber, Expérimentation, R134a, Vapour, Thermodynamic property
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Utilization of cold energy of liquefied natural gas in air separation plant in a safer and More Energy Efficient Way.

• Author(s) : JOY J., SINGLA R., CHOWDHURY K.
• Publication date: 2019/05/08
• Languages : English
• Keywords : Safety, Energy consumption, Separation, Performance, LNG, Gasification, Expérimentation, Heat exchanger
• Source: Cryogenics 2019. Proceedings of the 15^th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
• Formats : PDF

IIR document

Experimental study on flow boiling of R410A and R32 in brazed plate evaporators with different number of plates.

• Author(s) : PADOVAN A., CENSI G.
• Publication date: 2021/09/01
• Languages : English
• Keywords : R32, R410A, Heat transfer, Pressure drop, Plate exchanger, Expérimentation, Test room, Evaporator, Plate
• Source: 6^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
• Formats : PDF

IIR document

Analysis of an ejector vapour compression cycle for household refrigerator.

• Author(s) : ARTECONI A., CIRIACHI G., ACAR M., et al.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Distribution function for reversible microchannel heat exchanger with vertical headers - Considering the effects of inlet conditions, geometries and fluid properties.

• Author(s) : ZOU Y., HRNJAK P.
• Publication date: 2015/08/16
• Languages : English
• Keywords : R410A, R245fa, R134a, Geometry, Microchannel, R32, Expérimentation, Refrigerant, Heat exchanger, Distribution
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Performance of heat pumps using pure and mixed refrigerants with maldistribution effects in plate heat exchanger evaporators.

• Author(s) : MANCINI R., ZÜHLSDORF B., AUTE V., et al.
• Publication date: 2019/08
• Languages : English
• Keywords : R1270, Butane, Design, R744, R600, R290, Simulation, Propane, Performance, Zeotropic mixture, Heat exchanger, Distribution, CO2
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 104
• Formats : PDF

Performance evaluation of absorber in R134a/DMF based vapour absorption refrigeration system with swirl injector.

• Author(s) : PANDA S. K., MANI A.
• Publication date: 2018/07/09
• Languages : English
• Keywords : R134a, Mass transfer, Vapour, Heat transfer, Absorption, Performance, Expérimentation, Heat exchanger, Pressure drop
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

High efficiency, low carbon supermarket refrigeration

This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A new but simple high efficiency refrigeration system design suitable for use in supermarkets has been developed based on standard components so that...

• Publication date : 2004/11/24

Cryogenic applications: cryogenic system to recover volatile organic compounds

In 2007, in France alone 12　000 tonnes of volatile organic compounds (VOCs) were released from service stations, i.e. 1% of all such emissions in France. VOCs from service stations are detrimental to health and the environment and increasingly...

• Publication date : 2010/05/27

The heart inspires a new cooling system

In August 2004, at the Micro Nano Breakthrough Conference in Portland, engineers from Oregon State University in the US, presented a new successful desorption system using branching microchannels. The system was inspired by the human blood pumping...

• Publication date : 2004/09/14

ICR 2019: an overview of current refrigeration research (part I)

Presentation of the main scientific and technical topics covered in the papers of the 25th IIR International Congress of Refrigeration and summary of some of the 14 keynotes.

• Publication date : 2019/09/30
• Subjects: HFCs alternatives

Neutrons provide first images of refrigerant flow

Researchers at DOE’s Oak Ridge National Laboratory have captured undistorted snapshots of refrigerants flowing through small heat exchangers, helping to further elucidate characteristics of heat transfer.

• Publication date : 2015/05/28

US research projects to cut AC energy consumption

The 15 projects selected by Advanced Research Projects Agency-Energy (ARPA-E) – within the Building Energy Efficiency Through Innovative Thermodevices (BEETIT) are developing new approaches and technologies for building cooling equipment and air...

• Publication date : 2012/09/19

Ionic liquids in combination with CO2: promising technology?

A group of scientists at the University of Notre Dame, Indiana, USA, are now working on utilizing novel ionic liquids – pure salts that are liquid at ambient temperatures – in tandem with CO2.

• Publication date : 2013/12/03

Efficient cooling methods to reduce heat stress in pigs

Microclimate parameters such as air temperature and humidity are important indicators of animal welfare. Besides, heat stress is more detrimental to productivity in the swine...

• Publication date : 2020/10/22
• Subjects: Technology

Call for industrial partners for joint industry cryogenics project linked to LNG production

Become a project partner: Join the Joint Industry Project of MINES ParisTech – ARMINES “Evaluation of the crystallization risk in LNG production”.

• Publication date : 2017/03/16

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

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

Liquefied Natural Gas: production process and cold energy recovery

Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

• Last update : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

Additive manufacturing of regenerators for caloric cooling

In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)

Cryogenic nitrogen in the food and beverage industry

The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

• Last update : 2023/11/07
• Langues : French, English
• Themes : Freezing of foodstuffs