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Why condenser pressure is less than a atmospheric pressure?
Condenser pressure is often less than atmospheric pressure to facilitate the condensation of refrigerant vapor into liquid at lower temperatures. This is achieved using a vacuum system or by employing cooling methods that lower the saturation temperature of the refrigerant. Lowering the pressure reduces the boiling point of the refrigerant, making it easier to condense and improving the efficiency of the refrigeration cycle. Additionally, operating at lower pressures can help prevent the formation of vapor bubbles in the condenser, ensuring efficient heat exchange.
What is the relationship of boiling point with atmospheric pressure?
The boiling point of a substance decreases as the atmospheric pressure decreases. This is because lower atmospheric pressure reduces the pressure pushing down on the liquid, making it easier for the liquid to vaporize. Conversely, higher atmospheric pressure increases the boiling point of a substance as more pressure is needed to overcome the atmospheric pressure and cause the liquid to vaporize.
What is the approximate Boiling pressure of refrigerant oil in the system?
The boiling pressure of refrigerant oil in a system generally depends on the specific type of oil and its temperature. Typically, refrigerant oils have a boiling point ranging from about 150°C to 300°C (302°F to 572°F) under standard atmospheric pressure. The precise boiling pressure can vary significantly based on the oil's composition and the refrigeration system's operating conditions. It's essential to consult the manufacturer's specifications for accurate values.
What refrigerants has the lowest boiling temperatures at atmospheric pressure R-12 R-22 R-134a R-502?
This is R-502 with a boiling point at -45 0C.
What is the boiling temperature of refrigerant 404A?
The boiling temperature of refrigerant R-404A at atmospheric pressure is approximately -46.5 degrees Celsius (-51.7 degrees Fahrenheit). However, this temperature can vary slightly depending on the specific pressure conditions in the system. R-404A is commonly used in refrigeration applications, particularly for low and medium-temperature systems.
What refrigerant has the lowest boiling temperatures at atmospheric pressure?
R-502 has thelowestboiling temperature atatmosphericpressure. It can be boiled as low as -50 deg F before the boiling pressure goes into a vacuum.
Why condenser pressure is less than a atmospheric pressure?
Condenser pressure is often less than atmospheric pressure to facilitate the condensation of refrigerant vapor into liquid at lower temperatures. This is achieved using a vacuum system or by employing cooling methods that lower the saturation temperature of the refrigerant. Lowering the pressure reduces the boiling point of the refrigerant, making it easier to condense and improving the efficiency of the refrigeration cycle. Additionally, operating at lower pressures can help prevent the formation of vapor bubbles in the condenser, ensuring efficient heat exchange.
What is the relationship of boiling point with atmospheric pressure?
The boiling point of a substance decreases as the atmospheric pressure decreases. This is because lower atmospheric pressure reduces the pressure pushing down on the liquid, making it easier for the liquid to vaporize. Conversely, higher atmospheric pressure increases the boiling point of a substance as more pressure is needed to overcome the atmospheric pressure and cause the liquid to vaporize.
What is the approximate Boiling pressure of refrigerant oil in the system?
The boiling pressure of refrigerant oil in a system generally depends on the specific type of oil and its temperature. Typically, refrigerant oils have a boiling point ranging from about 150°C to 300°C (302°F to 572°F) under standard atmospheric pressure. The precise boiling pressure can vary significantly based on the oil's composition and the refrigeration system's operating conditions. It's essential to consult the manufacturer's specifications for accurate values.
How does the boiling point different from lowland and highland?
The boiling point of a substance is lower at higher altitudes due to lower atmospheric pressure, which reduces the pressure exerted on the liquid. In contrast, at low altitudes with higher atmospheric pressure, the boiling point is higher as more pressure is needed to overcome atmospheric pressure.
What determines the temperature at which a refrigerant vaporizes?
The pressure and the specific refrigerant properties determine the temperature at which a refrigerant vaporizes. As pressure increases, the boiling point of the refrigerant also increases. Different refrigerants have different boiling points at different pressures.
What is the relationship between pressure and the boiling points of liquid?
As atmospheric pressure increase so does the boiling pont, when atmos. pressure decreases so does boiling point. A liquid boils when its vapor pressure equals atmospheric pressure.
What refrigerants has the lowest boiling temperatures at atmospheric pressure R-12 R-22 R-134a R-502?
This is R-502 with a boiling point at -45 0C.
What are the temperatures for boiling water?
The boiling point of water is 100 degree celsius
Why must the boiling point be measured at constant atmospheric pressure?
Boiling point is the temperature at which the vapor pressure of a liquid equals the atmospheric pressure. By measuring at constant atmospheric pressure, we ensure consistency in the comparison of boiling points between different substances. Changing the pressure can alter the boiling point of a substance, so maintaining a constant pressure allows for accurate and meaningful comparison of boiling points.
As external pressure such as atmospheric pressure on liquid increases its boiling temperature?
At high pressure the boiling point is higher.
What is the boiling temperature of refrigerant 404A?
The boiling temperature of refrigerant R-404A at atmospheric pressure is approximately -46.5 degrees Celsius (-51.7 degrees Fahrenheit). However, this temperature can vary slightly depending on the specific pressure conditions in the system. R-404A is commonly used in refrigeration applications, particularly for low and medium-temperature systems.
