No 1 (2001)

Cover Page

Full Issue

Articles

Vacuum evaporative cooling: features and prospects

Marinyuk B.T., Zavarukhin D.V.

Abstract

Peculiarities and prospects for use of vacuum-evaporative cooling have been considered. Potentials of use ofvacuum for producing refrigeration are shown. Comparative characteristics of traditional and vacuum-evaporative milk coolers are given. Main directions of use of vacuum for foods storage are enumerated.

Refrigeration Technology. 2001;(1):8-9
pages 8-9 views

First anniversaries. Alexander Vasilyevich Bykov is 70 years old

Abstract

This January marked the 70th anniversary of the Honored Worker of Science and Technology of the Russian Federation, laureate of the State Prize of the USSR, Doctor of Technical Sciences, Professor Alexander Vasilyevich Bykov.

Refrigeration Technology. 2001;(1):10-10
pages 10-10 views

Features of thermodynamic characteristics of three-flow vortex tubes for purification and drying of process gases

Zhidkov M.A., Komarova G.A., Gusev A.P.

Abstract

The paper is devoted to rhe operation of three-flow vortex tubes (TVT) which not only provide cold generation required for a low temperature process of gas purification and drying, hut simultaneously have the function of high-efficiency separating devices. As a rule TVT have a separation clearance in the immediate vicinity of the nozzle section. In the experiments under production conditions it was shown that when TVT work on the associated gas of oil production the refrigerating capacity is maximum with the share of the cold flow equal to unity', when all the gas goes through the diaphragm as a cold flow. In this case a significant increase in the gas refrigeration effect in TVT as compared to the effect of Joule- Thomson effect is observed.

Refrigeration Technology. 2001;(1):12-14
pages 12-14 views

Chillers for liquid cooling (chillers) Grasso International

Abstract

A series of refrigerating machines (chillers) GC includes 15 models. Each machine is equipped with a reciprocating compressor from Grasso, which has proven itself all over the world.

Refrigeration Technology. 2001;(1):15-15
pages 15-15 views

The development trend of the household refrigeration market at the turn of the century

Piskunov V.V.

Abstract

In the Russian market in 2000, household refrigeration equipment of all standard sizes was introduced - from mini-refrigerators (with a capacity of about 1 liter) to multi-chamber cabinets (more than 800 liters). The nomenclature of the market is such that the needs for such equipment of all segments of the population, from the poor to the very rich, can be satisfied. The market is developing in accordance with world laws and market demand, with the displacement of weaker ones and the strengthening of the positions of stronger manufacturers and sellers. At the same time, national characteristics and trends in the development of demand are revealed, reflecting the social structure of society and the life of Russians.

Refrigeration Technology. 2001;(1):16-19
pages 16-19 views

Alfa Laval heat exchangers save energy

Sorokin S.S.

Abstract

During a trip to Sweden in November of this year, my attention was drawn to the ammonia refrigeration unit of the ice rink in Malmo, which optimally solved the problem of energy saving. Considering the increased interest in this problem, I would like to acquaint the Russian refrigeration community with the solutions implemented by the Swedish engineers of lndustry& Marinkyl

Refrigeration Technology. 2001;(1):20-21
pages 20-21 views

Production of YORK central air conditioners registered in Moscow

Abstract

At the end of August 2000, YORK International Corporation opened in Zelenograd (Moscow) a plant for the production of central air conditioners and supply and exhaust ventilation units (“Refrigerating Equipment” No. 9/2000). The first step has been taken in the implementation of the project to create a network of production facilities of this corporation in Russia. According to Alexander Pronin, Director General of ZAO YORK International, “the goal of this project is to bring Western production closer to the Russian consumer”.

Refrigeration Technology. 2001;(1):25-25
pages 25-25 views

SCR with four-pipe supply of cold and hot water to heat exchangers of local units

Kokorin O.Y., Nevsky V.V.

Abstract

The benefits of a 4-tube system of heat and refrigeration supply for energy consumption reduction in air conditioning of rooms are shown. A schematic diagram of control of heat and refrigeration supply to the room with the use of Danfoss controller of type is given.

Refrigeration Technology. 2001;(1):26-27
pages 26-27 views

Air coolers

Abstract

A number of technological processes require year-round cooling. However, during cold periods of the year, the ambient temperature may be lower than the required cooling temperature. In these cases, it is advisable to provide refrigeration by using the natural cold of atmospheric air, without turning on the refrigeration machine, which saves both electricity consumption and machine life. In most Russian regions, such periods can be quite long.

Refrigeration Technology. 2001;(1):28-29
pages 28-29 views

Flow-through nitrogen system for freezing and storage of plant products

Stefanchuk V.I., Wenger K.P., Ruchev A.S.

Abstract

Two schemes of refrigeration supply using a quick-freezing apparatus «ASTA» have been analyzed. Recommendations on selection of the scheme of refrigeration supply for cooling and storage of plant products are given. The temperature levels of refrigeration supply system are considered: volume and mass flow rates of nitrogen depending on the required temperature in the cooler are calculated. It is shown that for refrigeration of plant produce it is suitable to use a three-level scheme of refrigeration supply.

Refrigeration Technology. 2001;(1):32-33
pages 32-33 views

How to choose an air cooler for a vapor compression freon refrigeration unit?

Abstract

Currently, in vapor compression freon refrigeration units, air coolers based on evaporators with forced airflow and electric defrost are most widely used.

Refrigeration Technology. 2001;(1):34-36
pages 34-36 views

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