What are the thermodynamic properties of refrigerants?
What are the thermodynamic properties of refrigerants?
These properties include: enthalpy; entropy; density, specific volume; Cv, Cp; viscosity, kinetic viscosity; thermal conductivity; surface tension.
What type of refrigerant is R-410A?
hydro-fluorocarbon
R-410A is one of the most popular refrigerants on the market. This type of refrigerant is a hydro-fluorocarbon (HFC), which does not deplete or damage the ozone layer. Therefore, R-410A is used for the vast majority of residential air conditioners.
What is the density of R-410A?
m3 1040
Physical properties
| Property | Value |
|---|---|
| Boiling point (°C) | −48.5 |
| Liquid density (30 °C), kg/m3 | 1040 |
| Vapour density (30 °C), air=1.0 | 3.0 |
| Vapour pressure at 21.1 °C (MPa) | 1.383 |
Is R-410A an ozone depleting substance?
The most common alternative to R-22 is R-410A, a non-ozone-depleting HFC refrigerant blend.
What properties should refrigerant fluids have?
Physical Properties of Refrigerants
- Low Freezing Point. Refrigerants should have low freezing point than the normal operating conditions.
- Low Condensing Pressure.
- High Evaporator Pressure.
- High Critical Pressure.
- High Vapor Density.
- High Dielectric strength.
- High Latent Heat of Vaporization.
- High Heat Transfer Coefficient.
Which refrigerant is best?
They also have high-energy efficiency but are highly flammable as they are hydrocarbons. But they are the greenest refrigerants in the market….
| Refrigerant | Global Warming Potential | Ozone Depletion Potential |
|---|---|---|
| R-32 | 675 | Zero |
| R-134A | 1430 | Zero |
| R-290 | 3 | Zero |
| R-600A | 3 | Zero |
Which refrigerant is the most efficient?
R-410A
Safety group per ASHRAE 34. For refrigeration application, R-410A is potentially the most efficient refrigerant at medium-temperature conditions (0 to 30 degrees F). Additional advantages include reduced line sizes and lower pressure drops; however, the system would require design for higher pressures.
What is refrigerant density?
The density of the refrigerant vapor depends on its temperature and pressure. The lower the temperature of the superheated gases entering the compressor’s cylinder, the denser it will be. Also, the higher the pressure of these superheated gases, the denser they will be.
What is 410A refrigerant made of?
R-410A is a member of the hydrofluorocarbon (HFC) class of refrigerants and is composed of equal parts R-32 and R-125. Its chemical formula is CH₂F₂ + CHF₂CF₃.
Is R-410A refrigerant environmentally friendly?
3. Reduced Environmental Impact. While an R-410A system still uses harsh chemicals, it is not as damaging to the environment. It does not harm the ozone layer or cause cancer like R-22 refrigerant does, and will help your system work efficiently with less environmental impact.