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3. 1 kg of moist air at mixture pressure 100 kPa has a dry bulb temperature...
Exercise 2 Moist air at 1 atm. barometric pressure has a dry bulb temperature of 40°C...
Exercise 2 Moist air at 1 atm. barometric pressure has a dry bulb temperature of 40°C and a wet bulb temperature of 320C. Using both the equations for the moist air properties and the psychrometric chart find: g) the partial pressure of the water vapor h) humidity ratio i) relative humidity j) dew-point temperature k) specific volume 1) enthalpy of moist air Insert the data and the results from the chart in the following table: Enthalpy Specific kJ/kg m/kg Humidity...
Exercise 3 Moist air at 1 atm. barometric pressure has a dry bulb temperature of 29...
Exercise 3 Moist air at 1 atm. barometric pressure has a dry bulb temperature of 29 C and a wet bulb temperature of 22°C. Using the psychrometric chart and the table for saturated vapor find the following air properties: Pr T- 40 a) the partial pressure of the water vapor b) humidity ratio c) relative humidity d) dew-point temperature e) specific volume ) enthalpy of moist air
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.
11.8 An air-water vapor mixture has a dry bulb temperature of 65.6℃ and a wet bulb...
11.8 An air-water vapor mixture has a dry bulb temperature of 65.6℃ and a wet bulb temperature of 32.2 C. What is the humidity of the mixture?
the result of air measurements obtained dry bulb temperature 48 C and wet bulb temperature 29...
the result of air measurements obtained dry bulb temperature 48 C and wet bulb temperature 29 C. By using a psychrometric chart, detemine the nature of air aa follows: a. air humidity (%) b. water content (kg water/ kg air) c. specific volume (m³/kg) d. enthalpy (kj/kg) e. condensation temperature (C) If air is in the room 162 m³, determine: f. air weight (dry air and water vapor) g. the amount of the water in the room (kg) pls help...
Moist air is at 80F (26.67C) dry-bulb, 0.0150 lb-w/lb-da (0.0150 kg-w/kg-da) humidity ratio, pressure of 14.696...
Moist air is at 80F (26.67C) dry-bulb, 0.0150 lb-w/lb-da (0.0150 kg-w/kg-da) humidity ratio, pressure of 14.696 psia (101.35 kPa). Determine the dew-point temperature, relative humidity, volume in cu ft/lb-da (cu meters/kg-da), and enthalpy in Btu/lb-da (kJ/kg-da) using the moist air property tables and the ideal gas equations. What error is incurred using the ideal gas approach? Compare these results with the psychrometric charts (available in ASHRAE Fundamentals)
104. An air-water vapour mixture has a dry-bulb temperature of 333 K and a dew-point temperature...
104. An air-water vapour mixture has a dry-bulb temperature of 333 K and a dew-point temperature of 313 K. The total pressure is 101.3 kPa and the vapour pressure of water at 313 K is 7.3 kPa and that at 333 K is 19.91 kPa. The humidity of air expressed as kg of water vapour per kg of dry air is (a) 0.048 (b) 0.079 (c) 0.122 (d) 0.152
On the psychrometric chart provided mark clearly the point for air with a dry bulb temperature...
On the psychrometric chart provided mark clearly the point for
air with a
dry bulb temperature of 30oC and a Percentage Saturation
of 80%.
At this air condition, by referring to the same chart, what are the
values of
wet bulb temperature, specific volume, moisture content in kg/kg
(dry air)
and enthalpy.
If the air is air-conditioned to 15oC dry bulb and a
Percentage Saturation of
60, what is the associated enthalpy drop.
NAT BEBE Reduced scale CIBSE psychrometric chart...
An air-water vapor mixture enters a heater-humidifier unit at 5°C, 100 kPa, 50% rh. The flow rate of dry air is 0.1 kg/s. Liquid water at 10°C is sprayed into the mixture al the rate of 0.0022 kg/s. The mixture leaves the unit at 30°C, 100 kPa. Calculate
An air-water vapor mixture enters a heater-humidifier unit at 5°C, 100 kPa, 50% rh. The flow rate of dry air is 0.1 kg/s. Liquid water at 10°C is sprayed into the mixture al the rate of 0.0022 kg/s. The mixture leaves the unit at 30°C, 100 kPa. Calculate (a) the relative humidity at the outlet (b) the rate of heat transfer to the unit
10-kg moist air at the temperature of 24°C, the pressure of 100 kPa, and relative humidity of 90% is enclosed in a cylinder and piston assembly. The enclosed air is cooled down to the temperature of 1...
10-kg moist air at the temperature of 24°C, the pressure of 100 kPa, and relative humidity of 90% is enclosed in a cylinder and piston assembly. The enclosed air is cooled down to the temperature of 12°C at a constant pressure process (when piston can move freely). Determine a) at what temperature vapor starts to condense and b) the mass of condensed water during the process using the psychrometric chart.
Exercise 2 Moist air at 1 atm. barometric pressure has a dry bulb temperature of 40°C and a wet bulb temperature of 320C. Using both the equations for the moist air properties and the psychrometric chart find: g) the partial pressure of the water vapor h) humidity ratio i) relative humidity j) dew-point temperature k) specific volume 1) enthalpy of moist air Insert the data and the results from the chart in the following table: Enthalpy Specific kJ/kg m/kg Humidity...
Exercise 3 Moist air at 1 atm. barometric pressure has a dry bulb temperature of 29 C and a wet bulb temperature of 22°C. Using the psychrometric chart and the table for saturated vapor find the following air properties: Pr T- 40 a) the partial pressure of the water vapor b) humidity ratio c) relative humidity d) dew-point temperature e) specific volume ) enthalpy of moist air
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.
11.8 An air-water vapor mixture has a dry bulb temperature of 65.6℃ and a wet bulb temperature of 32.2 C. What is the humidity of the mixture?
104. An air-water vapour mixture has a dry-bulb temperature of 333 K and a dew-point temperature of 313 K. The total pressure is 101.3 kPa and the vapour pressure of water at 313 K is 7.3 kPa and that at 333 K is 19.91 kPa. The humidity of air expressed as kg of water vapour per kg of dry air is (a) 0.048 (b) 0.079 (c) 0.122 (d) 0.152
On the psychrometric chart provided mark clearly the point for
air with a
dry bulb temperature of 30oC and a Percentage Saturation
of 80%.
At this air condition, by referring to the same chart, what are the
values of
wet bulb temperature, specific volume, moisture content in kg/kg
(dry air)
and enthalpy.
If the air is air-conditioned to 15oC dry bulb and a
Percentage Saturation of
60, what is the associated enthalpy drop.
NAT BEBE Reduced scale CIBSE psychrometric chart...
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