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IIR document
Stepped pressure cycle. A new approach to Lorenz cycle.
Evolutionary optimization of heat exchanger circuitries for the advancement of next-generation refrigerants.
Recommended by the IIR / IIR document
Thermodynamic analysis of vapour compression heat pump cycles for high-temperature applications.
The cryogenic air and seas of titan.
Performance enhancement of vapor compression heat pumps by a cooled compression cycle.
Designing of Halbach cylinder based magnetic assembly for a rotating magnetic refrigerator. 1. Designing procedure.
Investigation of a hybrid compression absorption heat pump system for high temperatures.
Failure analysis of condensing units for refrigerators with refrigerant R134a, R404A.
Mapping of coefficient of performance for large-scale ammonia heat pumps for district heating systems.
Heat pump COP, part 1: generalized method for screening of system integration potentials.
A theoretical and experimental study on the variable evaporating temperature refrigeration performance of non-azeotropic refrigerant mixtures.
High temperature absorption compression heat pump for industrial waste heat.
Transfer from Carnot to Lorenz process using zeotropic mixtures.
Performance optimization of a Lorenz-Meutzner cycle charged with hydrocarbon mixtures for a domestic refrigerator-freezer.
ANALYSIS OF ADVANTAGES AND LIMITATIONS OF ABSORBER-GENERATOR HEAT EXCHANGE.
Refrigeration sector monitoring
34 results
IIR GL2020 conference: Range of CO2 applications
Almost half of the presentations at the IIR Gustav Lorentzen conference in Kyoto focused on CO2, in commercial refrigeration systems but also in many other applications. Overview of these...
Current status and future trends of natural refrigerants in North and South America
Two papers presented at the IIR Gustav Lorentzen Conference perfectly illustrate the interest in natural refrigerants and the obstacles they face in the Americas.
Alternative low-GWP refrigerants for transport refrigeration.
Summary of a paper presented during the 12th IIR Gustave Lorentzen conference on Natural refrigerant, available in Fridoc.
Potential of natural refrigerants in China, the case of the heat pump market.
CO2 for transport refrigeration systems
A paper presented during the 10th IIR Gustav Lorentzen Conference held in Delft in 2012 summarizes developments on cryogenic solutions for refrigerated vehicles using liquid CO2 in an open cycle system.
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...
GL2012 highlights: photovoltaic vs solar thermal cooling in Europe
In their paper presented during the 10th IIR Gustav Lorentzen Conference on Natural Refrigerants in June 2012, Kohlenbach et al. give an outlook of the current and potential situation of solar cooling in Europe.
GL2012 highlights: latent cold thermal storage: the energetic benefits
In response to German climate protection goals, requiring 80-95 % cuts in CO2 emissions before 2050, Michael Kauffeld presented a paper on “The Energetic Benefit of Latent Cold Thermal Energy Storage” at the 10th IIR Gustav Lorentzen Conference on...
GL2012 highlights: technologies needed in order to raise uptake of natural refrigerants
Prof. Pega Hrnjak presented technologies that could advance the position of major natural refrigerants at the 2012 Gustav Lorentzen Conference on Natural Refrigerants. He claims that hydrocarbons, ammonia and CO2 could become strong contenders for...
Development and evaluation of a reversible CO2 residential air conditioning system compared to a state-of-the art R410a unit
This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A reversible CO2 prototype RAC split unit system was designed, built and installed in two calorimetric test chambers. The unit is based on the Lorentzen Cycle...
Natural refrigerants: a key tool for the future
The IIR's interest in natural refrigerants is relatively longstanding and it is a real pleasure to be able to say that. Companies using refrigerants today are looking more and more to natural refrigerants and governments are finally really seeing...
Instant milk-cooling system utilising propane and either ice slurry or traditional ice bank
This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). Two novel milk-cooling concepts have been designed and installed at two Danish farms. These systems have a respective capacity of 14 400 and 16 000 litres of...
Cogeneration power and cooling for an army mobile system
This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sept. 2004). With the US army's ongoing need to make systems smaller, lighter, quieter and more efficient, new technologies to meet these needs are continuously being...
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...
Residential CO2 heat pump system for combined space heating and hot water heating
This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A theoretical and experimental study was carried out for a residential brine-to-water CO2 heat pump system for combined space heating and hot water heating - a...
IIR news
89 results
Gustav Lorentzen conference 2022
After two years of pandemic during which the conferences were either cancelled or held online, the IIR had the pleasure of organising a conference on site, in Norway. It was attended by 332 participants. The...
Now available: IIR-Gustav Lorentzen Conference Papers
Download your copy of the proceedings of the 14th Gustav Lorentzen Conference on Natural Refrigerants. Over 120 technical papers are available!
Another successful IIR Gustav Lorentzen conference 2016
Dedicated to natural refrigerants, mainly ammonia, carbon dioxide and hydrocarbons, Gustav Lorentzen 2016 was a great success attracting over 270 people and more than 145 papers from leading international researchers and industrialists.
Now available: IIR-Gustav Lorentzen Conference Papers 2022
Download one or all of the 170 technical papers from the 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants!
Call for abstracts now open for the IIR-Gustav Lorentzen Conference 2020
Don’t miss the deadline! 14th IIR-Gustav Lorentzen Conference 2020 invites delegates to submit abstracts
See you at the 16th IIR-Gustav Lorentzen Conference on Natural Refrigerants 2024
The next IIR-Gustav Lorentzen conference will take place from 11 to 14 August 2024 at the University of Maryland - College Park (Maryland), USA.
Upcoming conferences: 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids
The 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids will be held in Trondheim, Norway, on May 28-31, 2006. To obtain the second announcement, register and check out the programme:
IIR-Gustav Lorentzen Conference 2018 attracts its largest number of participants yet
With a focus on natural refrigerants, principally ammonia, carbon dioxide and hydrocarbons, the 13th conference in the series attracted the largest number of participants yet, welcoming an impressive 300 individuals from 45 different countries and...
15th IIR-Gustav Lorentzen Conference, June 13-15, 2022: the detailed programme is now available!
The detailed program of the 15th IIR Gustav Lorentzen Conference on Natural Refrigerants is now available online.
Calls for papers: Natural Working Fluids 2006: 7th IIR-Gustav Lorentzen Conference
Natural Working Fluids 2006: 7th IIR-Gustav Lorentzen Conference will take place on May 29-31, 2006 in Trondheim, Norway, a beautiful cathedral city on a fjord surrounded by forest-clad hills. A call for papers has been launched: the deadlines are...
Early bird registration ends April 15 for IIR-Gustav Lorentzen Conference 2022
Scheduled to take place on June 13-15, 2022, in Trondheim, Norway, the 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants will be a conference to remember!
Get your abstract in now for the Gustav Lorentzen Natural Working Fluids Conference
Get your abstract in now for the Gustav Lorentzen Natural Working Fluids Conference To present a paper at this leading conference you need to submit an abstract by the 1st October. The conference takes...
Call for abstracts now open! 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants
Prospective authors of papers are encouraged to submit 150-200 word abstracts by September 15, 2021.
Find out what happened at the 2nd Virtual Networking Session at the IIR-Gustav Lorentzen Conference 2020
The IIR Working Group on Careers in Refrigeration (CaRe), the European Partnership for Energy and the Environment (EPEE) and Karlsruhe University of Applied Sciences organised a virtual networking event on...
New IIR Working Party on LCCP evaluation: first meeting planned in Delft on June 28, 2012, during the 10th IIR-G. Lorentzen Conference
The IIR is inviting commission, private, and corporate members of the IIR and more generally all experts whose knowledge of the subject will benefit the working party to join it.
