齋藤 潔

Carrier Introduces Puron Advance: the Next-Generation Refrigerant

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After extensive tests and evaluation, Carrier has identified R454B, to be known commercially as Puron Advance, as its primary lower global warming potential (GWP) solution to replace R410A in all of its ducted residential and light commercial packaged solutions sold in North America. The new refrigerant, to be offered in these Carrier products beginning in … Read more

HFC phase-down: update on the Kigali Amendment and the EU F-gas Regulation

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In Europe, two legislations regulate the phase-down of HFCs: the Regulation (EU) No 517/2014, also called F-gas Regulation, which only concerns Europe, but also the Kigali Amendment to the Montreal Protocol, which is international. The first one was adopted in 2014 and has been applied since January 2015. It replaced an older regulation: (EC) No … Read more

Micro Channel Mitsubishi

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Transient heat flow and heat transfer analysis technology to analyze phenomena in pulsating and natural convection conditions Pulsation, natural convection, transient heat transfer analysis, simulation, heat flow, heat transfer rate, reliability Highly durable water-repellent/hydrophilic coating technology to improve heat transfer surface performance Water repellent, condensation, droplet, membrane, condenser, hydrophilic, evaporation, boiling, critical heat flux Heat … Read more

Next-generation Refrigerant Initiatives

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—Report on Kobe Symposium 2018 The International Symposium on New Refrigerants and Environmental Technology 2018 (Kobe Symposium) was held at the Kobe International Conference Center and organized by the Japan Refrigeration and Air Conditioning Indus- try Association (JRAIA). The 13th edition of the symposium started on December 6 and ended with success on December 7. … Read more

Mandate M 555 – use of flammable refrigerants (GEN-982.00)

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First interim report available GEN-982.00. At the end of 2017, the European Commission issued a standardisation request with the objective to have a European standardisation deliverable on the use of flammable refrigerants, in particular those classified as A3, in refrigeration, air conditioning and heat pump equipment by November 2020/February 2021. Mandate M 555 CEN TC … Read more

The Pricing Struggles of 1234yf

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By now we all know that R-134a is on it’s way out. It has already been phased out on new vehicles in the European Union for years now. While there was a planned phase out date here in the United States of 2020 (2021 Model Year) by the EPA, it was overturned earlier this year … Read more