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for English units, see this table

http://energy.sdsu.edu/testcenter/testhome/Test/solve/basics/tables/tablesPC/superR134a-Eng.html

(click on SI once there for SI units if needed). If you need higher pressure than 400psia or 16MPa, you will need the R143a superheated vapor chart, which I can't find online. You can find tables and charts in various thermodynamics textbooks. For example, Tables in "fundamentals of engineering thermodynamics" by Moran and Shapiro; or the chart by "SUVA/DuPont" is in the appendix of the "mechanical engineering reference manual" by Lindeburg.

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17y ago
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6mo ago

Superheated vapor R134a is a phase of refrigerant R134a that exists at a temperature higher than its saturation temperature at a given pressure. It is a gas that is ready to absorb heat energy and work in a refrigeration system. Superheated vapor R134a has higher enthalpy and specific volume compared to its saturated state.

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Q: Properties of superheated vapor R134a
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Continue Learning about Natural Sciences

What is sub cooled vapor?

Subcooled vapor refers to a vapor that is at a temperature lower than its saturation temperature at a given pressure. In other words, it is a vapor that is in a superheated state but exists at a temperature below its boiling point at the current pressure. Subcooled vapor is not in equilibrium with its liquid state and is considered to be in a superheated state.


What do you need for complete specifition of superheated vapour?

To fully specify superheated vapor, you need to know the substance involved (e.g., water, steam), its pressure, temperature, and specific volume. Additionally, information on the phase state (gas), the degree of superheat, and any relevant thermodynamic properties like enthalpy or entropy may also be required.


What happens to a saturated vapor when heat is added?

When heat is added to a saturated vapor, its temperature will increase and the vapor will start to undergo phase change into a superheated vapor. This means that the vapor will contain more thermal energy than at saturation conditions, which leads to a rise in temperature without a change in pressure.


Which colligative properties are not dependent on vapor pressure?

Colligative properties like boiling point elevation and freezing point depression are not dependent on vapor pressure. These properties depend on the number of solute particles in a solution, regardless of their nature or vapor pressure.


What is difference between saturated vapor and superheated vapor?

Saturated vapor is in equilibrium with its liquid phase, having reached its maximum vapor pressure at a given temperature. Superheated vapor has been heated beyond its saturation point without changing its pressure, making it hotter and less dense than saturated vapor.

Related questions

What is Definition of superheated vapor?

superheated vapor is a vapor that has been heated above its boiling point.


Why is the superheated vapor from the condenser is higher than the superheated vapor going into the compressor?

becaause it was just compressed by the compressor and is the high side of the system before the tex valve


What is sub cooled vapor?

Subcooled vapor refers to a vapor that is at a temperature lower than its saturation temperature at a given pressure. In other words, it is a vapor that is in a superheated state but exists at a temperature below its boiling point at the current pressure. Subcooled vapor is not in equilibrium with its liquid state and is considered to be in a superheated state.


What is the refrigerant entering the metering or expansion device of a refrigeration system?

superheated vapor


What is a direct expansion evaporator?

Refrigerant enters a direct expansion evaporator as a saturated liquid vapor mix and leaves as a superheated vapor.


What are the kinds of water vapor?

Water vapor can be categorized based on its source and activity. Types include gaseous water vapor, sublimated water vapor (ice), and superheated steam.


What do you need for complete specifition of superheated vapour?

To fully specify superheated vapor, you need to know the substance involved (e.g., water, steam), its pressure, temperature, and specific volume. Additionally, information on the phase state (gas), the degree of superheat, and any relevant thermodynamic properties like enthalpy or entropy may also be required.


Where in the world is the highest percentage of water vapor?

In the natural environment, probably in geysers which, because of their pressure, contain superheated steam.


What happens to a saturated vapor when heat is added?

When heat is added to a saturated vapor, its temperature will increase and the vapor will start to undergo phase change into a superheated vapor. This means that the vapor will contain more thermal energy than at saturation conditions, which leads to a rise in temperature without a change in pressure.


What happens to a refrigerant when it is above the saturation temperature?

When a refrigerant is above its saturation temperature, it is in the superheated state. This means that it has taken on additional heat energy beyond what is needed for boiling at its current pressure. In this state, the refrigerant is a gas and can continue to absorb more heat without converting to a liquid.


Which colligative properties are not dependent on vapor pressure?

Colligative properties like boiling point elevation and freezing point depression are not dependent on vapor pressure. These properties depend on the number of solute particles in a solution, regardless of their nature or vapor pressure.


Are there any land on the Sun?

No, the sun is a ball of superheated matter called plasma. It doesn't have any solid properties.