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A moist air of 25 °C and 200 kPa with relative humidity of 50%
is mixed...
11-35.A moist air mixture with a dry bulb temperature of 48°C, a relative humidity of 40...
11-35.A moist air mixture with a dry bulb temperature of 48°C, a relative humidity of 40 percent, and a total pressure of 160 kPa is contained in a rigid vessel having a volume of 1.65 m3. The air is cooled until the dry bulb temperature reaches 23°C. Determine the amount of heat transferred, the final pressure of the air, and the amount of water vapor condensed during the process.
Humid air at 101 kPa, 25°C, 90% relative humidity is compressed in a steady-flow, isentropic compressor...
Humid air at 101 kPa, 25°C, 90% relative humidity is compressed in a steady-flow, isentropic compressor to 800 kPa. (a) What is specific humidity of the air? (b) What is the relative humidity of the air exiting the compressor? (c) What is the change in enthalpy of the dry air during this process? (d) What is the change in enthalpy of the water vapor, per unit dry air, during this process? Express your answer in kilojoules per kilogram of dry...
Moist air at 20C and 50% relative humidity enters a duct consisting of a heating section...
Moist air at 20C and 50% relative humidity enters a duct consisting of a heating section followed by an evaporative cooling process. The air is heated to 35C in the heating section. The air then enters the evaporative cooling section where liquid water is injected into the moist air. The moist air exits the evaporative cooling section at 60% relative humidity. A. Determine the specific humidity at the exit of the heating section. (5 of 45 points. Please input your...
Moist air at 24°C, 1 atm, and 35% relative humidity enters an evaporative cooling unit operating...
Moist air at 24°C, 1 atm, and 35% relative humidity enters an evaporative cooling unit operating at steady state consisting of a heating section followed by a soaked pad evaporative cooler operating adiabatically. The air passing through the heating section is heated to 45°C. Next, the air passes through a soaked pad exiting with 50% relative humidity. Using data from the psychrometric chart, determine: (a) the humidity ratio of the entering moist air mixture, in kg(vapor) per kg(dry air). (b)...
stream consisting of 130 m'/min of moist air at a rature of 8°C and a humidity ratio of 0.0015 kg(vapor)/ dry a...
stream consisting of 130 m'/min of moist air at a rature of 8°C and a humidity ratio of 0.0015 kg(vapor)/ dry air) is mixed adiabatically with a second stream 12 températ Kgl ting of 400 m3/min of moist air at 25°C and 40% relative humidity. The pressure is constant throughout at 1 bar. Using the psychrometric chart, determine (a) the humidity ratio and (b) the temperature of the exiting mixed stream, in °C
stream consisting of 130 m'/min of moist...
Moist air at 30C, 1.0325bar and 50% relative humidity enters a heat exchanger operating at steady...
Moist air at 30C, 1.0325bar and 50% relative humidity enters a heat exchanger operating at steady state at 1000kg/h. It is cooled at constant pressure to 20C. Ignoring kinetic and potential energy changes, determine the following: A. At approximately what temperature will the water in the moist air condense? (8 of 45 points. Please input your final answer in the box below) B.Does condensation occur? (2 of 45 points. Please input your final answer in the box below) C.Determine the...
A gas mixture with id entical mass fractions for each component will have the identical mole frac...
please provide me with the solutions as fast as possible
A gas mixture with id entical mass fractions for each component will have the identical mole fractions 1. T F as well. T F 2. The sum of the mass fractions for a real-gas mixture is equal to 1 The molar mass of Methane is 0.5182 kg/kmol. 3. A real-gas mixture has a compressibility factor of 0.49. Using the ideal gas relationship, 4. the volume of the mixture b. Underestimates...
Question 5 (a) A sample of moist air at a temperature of 36 °C and total...
Question 5 (a) A sample of moist air at a temperature of 36 °C and total pressure 1.01 bar has 0.018 kg of moisture per kg of dry air. Calculate the relative humidity and the enthalpy (kJ/kg of dry air) of the air. (8 marks) (b) The air in (a) is cooled at constant total pressure until condensation of water just begins. Calculate the temperature and the enthalpy (kJ per kg of dry air) when condensation just begins. (6 marks)...
a) Define relative humidity (2 marks) b) Describe the relation between relative humidity, the capacity of...
a) Define relative humidity (2 marks) b) Describe the relation between relative humidity, the capacity of air to hold moisture a ambient temperature. (2 marks) c) Moist air at 22°C and a wet bulb temperature of 9°C enters a steam spray humidifier. The mass flow of the dry air is 90 kg/min. Saturated water vapor at 110 °C is injected into the mixture at a rate of 52 kg/hr. There is no heat transfer with the surroundings, and the pressure...
Moist air enters a duct at 10 °C, 80% relative humidity, and a volumetric flow rate...
Moist air enters a duct at 10 °C, 80% relative humidity, and a volumetric flow rate of 150 m3/min. The mixture is heated as it flows through the duct and exits at 30 °C. No moisture is added or removed and the mixture stays at 1 atm. Determine the rate of heat transfer and the relative humidity at the exit.
11-35.A moist air mixture with a dry bulb temperature of 48°C, a relative humidity of 40 percent, and a total pressure of 160 kPa is contained in a rigid vessel having a volume of 1.65 m3. The air is cooled until the dry bulb temperature reaches 23°C. Determine the amount of heat transferred, the final pressure of the air, and the amount of water vapor condensed during the process.
Moist air at 20C and 50% relative humidity enters a duct consisting of a heating section followed by an evaporative cooling process. The air is heated to 35C in the heating section. The air then enters the evaporative cooling section where liquid water is injected into the moist air. The moist air exits the evaporative cooling section at 60% relative humidity. A. Determine the specific humidity at the exit of the heating section. (5 of 45 points. Please input your...
Moist air at 24°C, 1 atm, and 35% relative humidity enters an evaporative cooling unit operating at steady state consisting of a heating section followed by a soaked pad evaporative cooler operating adiabatically. The air passing through the heating section is heated to 45°C. Next, the air passes through a soaked pad exiting with 50% relative humidity. Using data from the psychrometric chart, determine: (a) the humidity ratio of the entering moist air mixture, in kg(vapor) per kg(dry air). (b)...
stream consisting of 130 m'/min of moist air at a rature of 8°C and a humidity ratio of 0.0015 kg(vapor)/ dry air) is mixed adiabatically with a second stream 12 températ Kgl ting of 400 m3/min of moist air at 25°C and 40% relative humidity. The pressure is constant throughout at 1 bar. Using the psychrometric chart, determine (a) the humidity ratio and (b) the temperature of the exiting mixed stream, in °C
stream consisting of 130 m'/min of moist...
Moist air at 30C, 1.0325bar and 50% relative humidity enters a heat exchanger operating at steady state at 1000kg/h. It is cooled at constant pressure to 20C. Ignoring kinetic and potential energy changes, determine the following: A. At approximately what temperature will the water in the moist air condense? (8 of 45 points. Please input your final answer in the box below) B.Does condensation occur? (2 of 45 points. Please input your final answer in the box below) C.Determine the...
please provide me with the solutions as fast as possible
A gas mixture with id entical mass fractions for each component will have the identical mole fractions 1. T F as well. T F 2. The sum of the mass fractions for a real-gas mixture is equal to 1 The molar mass of Methane is 0.5182 kg/kmol. 3. A real-gas mixture has a compressibility factor of 0.49. Using the ideal gas relationship, 4. the volume of the mixture b. Underestimates...
Question 5 (a) A sample of moist air at a temperature of 36 °C and total pressure 1.01 bar has 0.018 kg of moisture per kg of dry air. Calculate the relative humidity and the enthalpy (kJ/kg of dry air) of the air. (8 marks) (b) The air in (a) is cooled at constant total pressure until condensation of water just begins. Calculate the temperature and the enthalpy (kJ per kg of dry air) when condensation just begins. (6 marks)...
a) Define relative humidity (2 marks) b) Describe the relation between relative humidity, the capacity of air to hold moisture a ambient temperature. (2 marks) c) Moist air at 22°C and a wet bulb temperature of 9°C enters a steam spray humidifier. The mass flow of the dry air is 90 kg/min. Saturated water vapor at 110 °C is injected into the mixture at a rate of 52 kg/hr. There is no heat transfer with the surroundings, and the pressure...
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