Refrigeration & Working Fluids - Yuji America Corp - Fluorine Chemicals-Yuji America Corp – Fluorine Chemicals  

Refrigeration & Working Fluids

December 12th 2022

Refrigerants & Working Fluids

A working fluid is a liquid that helps a closed system do its function, such as producing heat, cold, or electricity. Take the coolant in a refrigerator as an example. In reaction to temperature variations, the coolant flows through a network of tubes and changes states. This makes it possible for heat to be transferred away from the refrigerator, keeping the food inside cool and at a constant temperature.

Working fluids come in many different varieties. Every industry takes into account the best working fluid for their requirements. The fluid must possess a number of qualities, including consistent performance throughout a specified temperature range, little corrosiveness, and so on. A system’s design may only permit a certain fluid formulation, or it may be capable of operating with a variety of fluid types.

Refrigerants are a type of working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated phase transition from a liquid to a gas and back again.

How does Working Fluids Work

Refrigeration is the process of removing heat from an enclosed space or from a substance for the purpose of lowering the temperature.

A gas or liquid that predominantly transforms thermal energy (temperature change) into mechanical energy (or vice versa) by phase change and/or heat of compression and expansion is the working fluid of a heat engine or heat pump. It is commonly referred to as a refrigerant, coolant, or working fluid. Every system will use working fluids differently, but in a refrigerant system, compression of the refrigerant normally happens first, pushing the molecules closer together and heating them. The coolant is compressed first, then condensed, where it cools and transforms back into liquid. Once the heat has been absorbed and the optimal cooling environment for your developments has been created, the coolant is measured for temperature maintenance and finally evaporates.

The field of industrial refrigeration includes a wide range of operations, from low-temperature freezers to high-temperature process chilling. There is a large industry dedicated to industrial refrigeration, and it has a significant impact on sectors like food processing and construction. Many consumer goods are influenced by refrigeration, including air conditioning for houses and cars, helping to preserve food, transporting food, storing food cold, and many more!

Refrigerants are heavily regulated due to their toxicity, flammability, and the contribution of CFC and HCFC refrigerants to ozone depletion and that of HFC refrigerants to climate change..

Applications

The areas of application for refrigerants are just as varied as the refrigerants themselves: 
  • Refrigerators and Refrigeration Systems
  • Deep cooling
  • Heat pumps
  • Stationary cooling systems
  • Stationary air conditioning systems
  • Car air conditioning systems
  • Pharmaceuticals
  • Food & Beverage Cooling
  • Data Centers

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