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4970 results
Power-based energy grade study of China's on-grid distributed combined heating and power systems.
Development of stove-powered thermoelectric generators: a review.
IIR document
Power regeneration upgrading of vapour compression refrigeration plants.
Combined Power, cooling and desalination using natural refrigerant powered by low-grade heat source.
Power management strategy for a parallel hybrid-power gas engine heat pump system.
Material selection and sizing of a thermoelectric generator (TEG) for power generation in a self-powered heating system.
Numerical modeling of hydraulic installations in professional power plant.
Review of supercritical CO2 technologies and systems for power generation.
Recent progress in compact, low power cryocoolers.
Potential application of absorption chillers in power plant cooling.
Performance characteristics of a high-efficiency R717 OTEC power cycle.
Construction of fans for industrial process and power generation applications.
Thermodynamic analysis of a two-stage absorption thermochemical power cycle.
Performance study of a solar absorption power-cooling system.
Dependence of thermal stress evolution on power allocation during Kyropoulos sapphire cooling process.
Refrigeration sector monitoring
496 results
LNG to power locomotives in North America
As LNG prices drop, it is foreseeable that more railroad operators around the world will start looking at LNG as an alternative fuel for their locomotives.
Solar-powered cold storage for Indonesian fishing villages
A solution combining solar power, thermal-energy storage and an ultra-efficient compressor package is being implemented in two locations in Indonesia
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...
Briefs: Mahindra introduces Hy-Alfa hydrogen-powered three-wheeler
Three-wheeled vehicles are common on the streets in India. However, these vehicles are generally either human-powered or they run on gasoline, often using highly polluting two-stroke motors. Mahindra, a major vehicle manufacturer in India, has its...
A design for a liquid-nitrogen-powered vehicle engine could provide an alternative to batteries and fuel cells
The engine developed by Dearman Engine Company (DEC), which is driven by the pressure created as liquid nitrogen (LN2) returns to its gas form could provide a way of powering a vehicle without producing CO2 tailpipe emissions but with a longer...
ColdHubs: Revolutionising Nigerian agriculture with solar-powered cold rooms and empowering farmers
ColdHubs, founded by Nnaemeka Ikegwuonu, provides walk-in solar-powered cold rooms to combat post-harvest crop spoilage among small-scale farmers in Nigeria through Cooling-as-a-Service (CaaS). Their latest...
Solar-powered reefer in California
Tested over five months in California's San Joachin Valley, the first solar-powered transport refrigeration unit on a city delivery truck produced positive results.
India: solar-powered micro cold rooms
Solar-powered micro cold rooms using phase-change materials could be a solution for small farmers in India.
Inauguration of the largest LNG-powered cruise ship
In November 2022, MSC Cruises held a naming ceremony for MSC World Europa, the world’s largest LNG-powered cruise ship and one of the first to incorporate fuel cell...
Geothermal energy to power a cold storage facility
Two remote off-grid villages on a Fijian island are looking forward to their first reliable source of refrigeration thanks to their local hot spring.
Solar-powered modular facade capable of cooling and heating a building
In Germany, researchers are testing a modular solar-powered facade that includes a mini heat pump for heating and cooling, and a decentralised ventilation unit with heat...
World’s most powerful MRI machines push the limits of human imaging
Latest MRI machines, developed in the US and in France and designed to operate under ultra-high magnetic strength thanks to giant superconducting magnets, should notably allow major advances in the understanding of neurological diseases.
Solar panels on car’s roof to power the air conditioning system
Audi recently signed a Memorandum of Understanding (MoU) with the US solar cells specialist Alta. They plan to work together to integrate photovoltaic cells into the panoramic glass roofs of Audi models.
A new solar-powered milk cooling system could benefit small-scale dairy farmers
Researchers from the University of Hohenheim studied a solar milk cooling system which was tested in Tunisia and could be implemented in Kenya.
A photovoltaic system powers the refrigeration systems of a fishing village in Morocco
In Aftissat, Morocco, 500 photovoltaic panels combined with batteries and diesel generators cover the daily energy needs of the village, including cold storage and refrigeration.
IIR news
88 results
INDEE+ in ACREX
Last month, INDEE+ participated in the 23rd edition of ACREX India in Delhi, focused on the theme “Powering Global HVAC Supply Chain”.
CryoHub: EU project CryoHub is inviting cold chain companies to become ‘CryoHub Champions’
The CryoHub innovation project investigates and extends the potential of large-scale Cryogenic Energy Storage (CES) and applies the stored energy for both cooling and power generation.
Call for abstracts for the IIR International Rankine 2020 Conference
Submit your abstracts online today for the next Rankine Conference on Advances in Cooling, Heating and Power Generation. Deadline ends 13th September 2019.
Activities of the IIR’s Commission A2 on Liquefaction and Separation of Gases
The problems related to thermodynamic optimization and new technologies in liquefaction and separation of gases are actual and critical for many branches of modern industry, power generation and medicine.
IIR International Conference Rankine 2020 - Register today!
Access the IIR International Conference Rankine 2020 – Advances in Cooling, Heating and Power Generation on demand this summer – view the sessions you want when you want.
A new technical guide on cold rooms
On the occasion of COP 28, the IIR and Efficiency for Access, with the contribution of ESMAP, have published a new guide. It aims to provide accessible and practical guidance to enable developers, owners,...
Rankine 2020 conference highlights opportunities and challenges for the future
The IIR Rankine 2020 – Advances in Heating, Cooling and Power Generation conference was organised by the Institute of Refrigeration UK (IOR) as an ambitious 5-day online event running across July 27-31. It...
News from IIR members: Air Liquide
The world's longest and most powerful superconductor power transmission cable has been connected to the commercial power grid in Holbrook, New York, United States, by the Long Island Power Authority (LIPA) and American Superconductor. The 600-m...
News from IIR members: Solar hybrid air conditioner launched by LG
LG Electronics (LG) recently announced Korea's first eco-friendly residential hybrid air conditioner that utilizes solar energy as part of its power supply. By combining power generated through the solar cell module attached to the top of the...
News from IIR members: Danfoss
A pleasant indoor climate and no energy costs. This is what it feels like to live in the Zero+ house - the first home in Denmark that produces more power than is actually consumed. The house supplies its own heating and electricity and generates...
Danfoss won the 2009 AHR Exposition Refrigeration Innovation Award. The honoured product is a newly developed energy-saving variable frequency drive for compressors, pumps, and fans. In refrigeration applications, the AKD 102 constantly matches...
Highlight from COP13/MOP36 - Day 1
At a side event during COP13/MOP36 in Bangkok, IIR and Cool Up Programme convened global leaders to address challenges in energy-efficient refrigeration and cooling. Discussions focused on reducing emissions,...
The proceedings CD-ROM of the 3rd IIR Workshop on Refrigerant Charge Reduction in Valencia are on sale!
The proceedings CD-ROM comprising 8 plenary presentations, 13 papers, and 2 industrial PowerPoint presentations are on sale on the IIR's Web site (Publications/Bookshop section)
News from IIR members: Mega project for Technip
Shell Gas & Power Developments BV is joining forces with Technip and Samsung to design, build and install multiple floating liquefied natural gas (FLNG) facilities over a period of up to 15 years. Shell and Technip-Samsung also signed a...
News from IIR members: Star Refrigeration
Star Refrigeration just announced a new collaboration with Core Enterprises, an American portable instruments developer to distribute AccuToolsR eL-720 carbon dioxide gas leak detector. The detector is easy to handle and effective at locating even...
Encyclopedia of Refrigeration
8 results
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...
Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement
Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...
Additive manufacturing of heat exchangers
In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...
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...
Environmental impact of the ice cream industry
This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.
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...
Ice cream manufacturing, environmental impact and market data
From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...
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...
