1-What is fog? Show on the psychrometric chart when two air streams yield fogged state of air? 2-Show the following processes on the skeleton psychrometric chart: (a) Dehumidification of moist air by cooling; and (b) Adiabatic mixing of two air streams? 3-With the help of psychrometric chart, explain the following processes: 1. Sensible heating and sensible cooling process; 2. Heating and dehumidification process : 3. Cooling and humidification process; and 4. Cooling and dehumidification process? 4- Prove that the partial pressure of water vapour in the atmospheric air remains constant as long as the specific humidity remains constant? 5-An unsaturated air stream is undergoing adiabatic saturation process and the outgoing air is saturated. Draw the system schematically. Represent the process on T-s and psychrometric charts. Find, for the incoming stream of air, humidity ratio from the adiabatic saturation equation obtained from heat balance? 6-Prove that the enthalpy of the humid air remains constant along a wet bulb temperature line on the psychrometric chart?
1-What is fog? Show on the psychrometric chart when two air streams yield fogged state of air? 2-Show the following processes on the skeleton psychrometric chart: (a) Dehumidification of moist air by cooling; and (b) Adiabatic mixing of two air streams? 3-With the help of psychrometric chart, explain the following processes: 1. Sensible heating and sensible cooling process; 2. Heating and dehumidification process : 3. Cooling and humidification process; and 4. Cooling and dehumidification process? 4- Prove that the partial pressure of water vapour in the atmospheric air remains constant as long as the specific humidity remains constant? 5-An unsaturated air stream is undergoing adiabatic saturation process and the outgoing air is saturated. Draw the system schematically. Represent the process on T-s and psychrometric charts. Find, for the incoming stream of air, humidity ratio from the adiabatic saturation equation obtained from heat balance? 6-Prove that the enthalpy of the humid air remains constant along a wet bulb temperature line on the psychrometric chart?
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter8: Natural Convection
Section: Chapter Questions
Problem 8.3P
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Question
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1-What is fog? Show on the psychrometric chart when two air streams yield fogged state of air?
2-Show the following processes on the skeleton psychrometric chart: (a) Dehumidification of moist air by cooling; and (b) Adiabatic mixing of two air streams?
3-With the help of psychrometric chart, explain the following processes: 1. Sensible heating and sensible cooling process; 2. Heating and dehumidification process :
3. Cooling and humidification process; and 4. Cooling and dehumidification process?
4- Prove that the partial pressure of water vapour in the atmospheric air remains constant as long as the specific humidity remains constant?
5-An unsaturated air stream is undergoing adiabatic saturation process and the outgoing air is saturated. Draw the system schematically. Represent the process on T-s and psychrometric charts. Find, for the incoming stream of air, humidity ratio from the adiabatic saturation equation obtained from heat balance?
6-Prove that the enthalpy of the humid air remains constant along a wet bulb temperature line on the psychrometric chart?
Transcribed Image Text:4- Prove that the partial pressure of
water vapour in the atmospheric air
remains constant as long as the
specific humidity remains constant?
11:01 م 7
5-An unsaturated air stream is
undergoing adiabatic saturation
process and the outgoing air is
saturated. Draw the system
schematically. Represent the process
on T-s and psychrometric charts.
Find, for the incoming stream of air,
humidity ratio from the adiabatic
saturation equation obtained from
heat balance?
11:02 م 7
6-Prove that the enthalpy of the
humid air remains constant along a
wet bulb temperature line on the
psychrometric chart
11:02 م -
Transcribed Image Text:CUV
1-What is fog? Show on the
psychrometric
chart when two air
streams yield fogged state of air
2 10:58
2-Show the following processes on
the skeleton psychrometric chart: (a)
Dehumidification of moist air by
cooling; and (b) Adiabatic mixing of
two air streams
10:59
2
3-With the help of psychrometric
chart, explain the following
processes: 1. Sensible heating and
sensible cooling process; 2. Heating
and dehumidification process :
3. Cooling and humidification
process; and 4. Cooling and
dehumidification process
11:00 م ۔
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