Expert knowledge from many years of experience

At Günter, we employ highly qualified specialists in a great variety of capacities. We rely on their consulting expertise and their extensive knowledge of a vast variety of application areas in projects worldwide. We share their wealth of experience in articles published in industry journals that you can access here.

The influence of refrigerant subcooling on system efficiency "Subcooling, but correctly!"

After outlining the theoretic technical background, we will describe the state of the refrigerant on the high-pressure side of a classical refrigerating plant and the refrigerant's passage through the circuit’s components. How subcooling is achieved and for which refrigerant subcooling makes more or less sense will be explained in detail.

Energy saving at the high pressure side of a refrigeration system

Saving energy is a topic that has always been on the agenda at various levels of detail and interest. It is discussed and pleaded for in theoretical treatises published by academic institutes just as well as in discussions shown on TV between representatives from different social areas.

Influence of the heat exchanger design on dehumidification and frost formation

With air coolers, dehumidification and frost formation are almost unavoidable side effects, which are generally undesirable. Dehumidification has a detrimental effect on the quality and shelf life of goods that are displayed openly, such as fruit and vegetables and, for this reason should be kept to an absolute minimum.

How the air throw of air coolers is influenced by the spatial geometry and by air cooling

The air throws indicated in the data sheets are often not achieved in practice, because of the geometry of the cold room or other influences. For this reason, we have developed a model for calculation that is based on theoretical calculations and laboratory measurements and that allows determining the penetration depth of the air jet for each specific room individually.

Air coolers, air flow and temperature distribution in large cold stores

Refrigerated warehouses are being built in ever larger dimensions. Heights have increased significantly and automatic storage systems are the rule. The large dimensions and the automatic storage technology place new demands on the selection and installation of air coolers.

Air cooled condensers in ammonia refrigerating plants as alternative to evaporative condensers

In the past, ammonia refrigerating plants were mainly equipped with evaporative condensers. Are air-cooled condensers an interesting alternative to evaporative condensers from today’s point of view? Which consequences does the price increase for water, waste water and energy have on the operating costs of the different systems?

Sensible Use of Energy-Saving Fans

In order to make a statement about the sensible use of energy-saving fans, it must first be explained what energy-saving fans are. Are they just the most recent fan manufacturer’s developments with EC motors or owlet blades?

Energy saving on the low-pressure side of a refrigerating plant

By saving energy, CO2 emissions and operating costs can be reduced. But how can this be realised in practice? Which theoretical considerations have to be made beforehand? This article will give answer to these questions.

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