Question
In: Mechanical Engineering
The dry- and wet-bulb temperatures of atmospheric air at 98 kPa are 28 and 14°C, respectively....
The dry- and wet-bulb temperatures of atmospheric air at 98 kPa are 28 and 14°C, respectively. Determine the following values.
1. The specific humidity in kg H2O/kg dry air
2. The relative humidity in %
3. The enthalpy of air in kJ/kg dry air
Solutions
samet mamat answered 2 years agoRelated Solutions
The dry and wet-bulb temperatures of atmospheric air at 95 kPa are 25C and 20C, respectively....
The dry and wet-bulb temperatures of atmospheric air at 95 kPa
are 25C and 20C, respectively. Determine (a) the specific humidity,
(b) the relative humidity), and (c) the enthalpy of the air in
kj/kg dry air.
0.025 of moist air at 18°C dry-bulb and 10°c wet-bulb temperatures mixes with 0.005 kg/s of...
0.025 of moist air at 18°C dry-bulb and 10°c wet-bulb
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relative humidity, and dew point? What are these parameters if the
second stream flow rate is increased to 0.01 kg/s?
Air with a dry bulb temperature 75 F and a wet bulb temperature 65 F is...
Air with a dry bulb temperature 75 F and a wet bulb temperature
65 F is at a sea level pressure of 14.7 psia. Using equations to
calculate (a) humidity ratio, (b)
the relative humidity of the air, (c) enthalpy,
(d) dew point, and (e) the mass
density of the dry air. (50)
The atmospheric air 32 °C dry bulb temperature and 70% relative humidity supplied to the cooling...
The atmospheric air 32 °C dry bulb temperature and 70% relative
humidity supplied to the cooling coil at a rate of 45m3 /min. The
air cooling to the saturated state and leaving at a temperature of
16 °C. Determine: () a- Specific humidity at each state. b- Wet
bulb and dew point temperatures at the final state c- Final
relative humidity. d- Mass of water condensed. e- Rate of heat
removed from the air in kW. f- Show the process...
The atmospheric air 32 °C dry bulb temperature and 70% relative humidity supplied to the cooling...
The atmospheric air 32 °C dry bulb temperature and 70% relative
humidity supplied to the cooling coil at a rate of 45m3 /min. The
air cooling to the saturated state and leaving at a temperature of
16 °C. Determine: (10 points) a- Specific humidity at each state.
b- Wet bulb and dew point temperatures at the final state c- Final
relative humidity. d- Mass of water condensed. e- Rate of
heat removed from the air in kW. f- Show the...
Atmospheric air, at constant conditions, 102 kPa pressure and 30 ° C to a air conditioning...
Atmospheric air, at constant conditions, 102 kPa pressure and
30 ° C to a air conditioning system
enters at 60% relative humidity at temperature. The volumetric
flow of atmospheric air is 100 L / s. Air,
It is separated from the air conditioning system at a pressure
of 95 kPa and a temperature of 15 ° C at 100% relative
humidity.
In this process, the temperature of the condensing water is 15
° C. This air conditioning
Calculate the heat...
Humid air at given : dry-bulb temperature, wet-bulb temperature and total pressure enters a drier at a given molar flow rate.
Humid air at given : dry-bulb temperature, wet-bulb temperature and total pressure enters a drier at a given molar flow rate. Using psychometric chart to estimate :relative humidity, absolute humidity, dew point temperature and humid volume of air A- volumetric flow rate entering drier?B-mass flow rate BDA entering drier?C-Ha and Hm if more mass flow rate of water is added during passing through drier?D-molar composition air leaving drier?E-percentage humidity (Hp) air entering drier?
The air in a room has a pressure of 1 atm, a dry-bulb temperature of 24°C,...
The air in a room has a pressure of 1 atm, a dry-bulb
temperature of 24°C, and a wetbulb temperature of 17°C. Using the
psychrometric chart, determine
(a) The specific humidity,
(b) The enthalpy, in kJ/kg dry air,
(c) The relative humidity,
(d) The dew-point temperature,
and (e) The specific volume of the air, in m3/kg dry air.
Air entering a dryer has a temperature (dry bulb) of 60°C and a dew point of...
Air entering a dryer has a temperature (dry bulb) of 60°C and a
dew point of 26.7°C. Using the humidity chart, determine the actual
humidity H, percentage humidity HP, humid heat cS and humid volume
vH.
a tire is filled with air at 14 ∘c to a gauge pressure of 230 kpa...
a tire is filled with air at 14 ∘c to a gauge pressure of 230
kpa
If the tire reaches a temperature of 35 ∘C∘C, what fraction of
the original air must be removed if the original pressure of 230
kPakPa is to be maintained?
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