Technical Note


New Annex: 53 - Advanced Cooling/Refrigeration Technologies

2 November, 2018 Growing populations and improving economies worldwide, especially in the developing world, are projected to lead to huge increases in global demand for space cooling, dehumidificatio...


Johnson Controls: 2018 Energy Efficiency Indicator

November 1, 2018 Johnson Controls conducts an annual Energy Efficiency Indicator survey tracking current and planned investments, key drivers, and organizational barriers to improving energy efficien...


Refrigeration Compressors and Refrigerants

Reported by Professor Ma Guoyuan and Doctor Xu Shuxue of Beijing University of Technology Mainstream refrigeration and heat pump compressors were exhibited at this year’s China Refrigeration ex...


Purdue Conferences Present Research Contributing to Sustaina

During the four-day period from July 9–12, 2018, the 24th International Compressor Engineering Conference, the 17th International Refrigeration and Air Conditioning Conference, and the fifth Int...


Fans and Motors

Of fluid machinery that compress gas, those with discharge pressures lower than 30 kPa are called fans, those with discharge pressures lower than 200 kPa are called blowers, and those with discharge p...


Honeywell Launches Solstice L41y Refrigerant, Alternative to

On September 11, 2018, Honeywell announced the commercial availability of Solstice L41y (ASHRAE refrigerant number: R452B), a reduced global-warming-potential (GWP) refrigerant (mildly flammable) de-s...


Development of Scroll Compressor Technologies

— Continued from August Issue Reported by Kenji Tojo, Tojo R&D Office Compliance Mechanism For higher scroll compressor efficiency, airtightness must be maintained by curbing leakage ...


The 13th International Symposium on New Refrigerants and Env

Japan Refrigeration and Air Conditioning Industry Association (JRAIA) will host the 13th International Symposium on New Refrigerants and Environmental Technology at the International Conference Center...


Future Prospects of Smart Air Conditioners

A smart air conditioner is one of the so-called smart home electric appliances that can be remotely operated and monitored thanks to the incorporation a set of advanced communication functions and by ...


Development of Scroll Compressor Technologies

Reported by Kenji Tojo, Tojo R&D Office History   The concept of transferring a fluid by combining a pair of same -shaped scroll wraps is said to have existed for a long time. During the...


Arkema Contributing to Transition to Low-GWP Solutions Follo

Contributed by Allen Karpman, director, Government Affairs, Arkema, Fluorochemicals – Americas For the past 40 years, most of the industrial and consumer uses of fluorinated gases have been c...