Question
In: Advanced Math
Humid air at 155 kPa, 40°C, and 70 percent relative humidity is cooled at constant pressure...
Humid air at 155 kPa, 40°C, and 70 percent relative humidity is cooled at constant pressure in a pipe to its dew-point temperature. Calculate the heat transfer, in kJ/kg dry air, required for this process. Use data from the tables.
The heat transfer is kJ/kg dry air.
Solutions
Colby Messinger answered 3 years agoRelated Solutions
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ratio (b) Properties at state 2: (15 points) Mixture enthalpy,
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Determine the...
Chemical Engineering question. Air at 38.0°C and 99.0% relative humidity is to be cooled to 18.0°C...
Chemical Engineering question.
Air at 38.0°C and 99.0% relative humidity is to be cooled to
18.0°C and fed into a plant area at a rate of 710.0
m3/min. You may assume that the air pressure is 1 atm in
all stages of the process.
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of saturated...
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In a device to produce drinking water, humid air at 32C, 90%
relative humidity and 1 atm is cooled to 5C at constant pressure.
If the duty on the unit is 2,200 kW of heat is removed from the
humid air.
Data: Air at 32C has H = 0.204 kJ/mol and at 50C has H = -0.576
kJ/mol
H of steam can be found on the steam tables – vapor at 32C and 1
atm; vapor at 5C and liquid...
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Atmospheric air, at constant conditions, 102 kPa pressure and
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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
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In this process, the temperature of the condensing water is 15
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Calculate the heat...
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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
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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.
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15 m3 /min of air at 104o F and 60% relative humidity is cooled to 59o...
15 m3 /min of air at 104o F and 60% relative humidity is cooled
to 59o F and 100% relative humidity, and then reheated to 68o F.
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a. The flow rate of dry air (BDA) in kg /min.
b. The amount of water condensed during cooling stage.
c. kW of power needed for cooling the air in the cooling
stage.
d. kW of power needed for the heating step.
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