Vol 93, No 11 (2004)
Articles
Screw compressor units
Abstract
York International Corporation was founded in 1874 (York, Pennsylvania, USA). York International is the world's leading company in the field of refrigeration and air conditioning technology. The annual turnover of the corporation is more than 4 billion US dollars. York International has production, service, marketing and sales structures in more than 60 countries of the world. Over the past decade, the best European manufacturers of refrigeration equipment - Sabroe, Gram, Stal - have been successfully working in a united team YORK.
3-5
Study of gas coolers of heat pumps on R744
Abstract
A technique and results of computational, theoretical, experimental and numerical investigation of gas coolers of new design, intended for heating of the network water, when working in heat pumps using R744 as a working substance THCO2 are presented. It is demonstrated that when the recommended operational parameters are fulfilled, an essential increase in technical and economical indices of gas coolers and the whole THCO2 is ensured.
10-15
Ammonia dryer GRASSO. Reduces energy consumption and increases the life of the refrigeration unit
Abstract
For many years, GRASSO has been specializing in the production of compressors and refrigeration units using ammonia as a refrigerant. Ammonia, having excellent thermodynamic characteristics, does not directly affect the ozone layer and has a relatively small global warming coefficient. Thanks to this, GRASSO's ammonia-based refrigeration equipment has proven itself to be environmentally friendly.
16-16
30-31
With new products into the New Year
Abstract
The annual October IKK exhibition in Germany is a kind of report on the work done: many companies traditionally prepare for this date the premiere of new products for the European refrigeration market. The 25th anniversary exhibition in Nuremberg was no exception. Copeland also presented a booth with the latest developments.
32-35
IKK-2004 through the eyes of Russian specialists
Abstract
The International Refrigeration, Air Conditioning and Ventilation Fair IKK, the recognized world leader among exhibitions in the field of refrigeration and the world's leading exhibition for air conditioning and ventilation, held on October 13-15 this year in Nuremberg (Germany) turned 25 years old. And the anniversary exposition of the exhibition, which reflected the latest achievements in this field, once again confirmed its highest international status. The exhibition demonstrated novelties of both direct refrigeration and air conditioning and ventilation equipment, as well as components, tools, materials.
36-37
42-43