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1. A wall of 20 cm thick has the permeability of 2x10 kg/s.m.Pa. The indoor conditions are 25°C and 35 % of RH while the outdoor conditions are 5 °C and 50% of RH. Determine the amount of moisture flowing through a unit surface area of the wall during a 24 hour period. (Hint: The equation J' = Pi-wall' mixture through a permeable wall. Then, P and P2 are being the partial pressures of species i PL1-P1,2 expresses the mass flux of species i within the gas within the mixture. )

1. A wall of 20 cm thick has the permeability of 2x10 kg/s.m.Pa. The indoor conditions are 25°C and 35 % of RH while the outdoor conditions are 5 °C and 50% of RH. Determine the amount of moisture flowing through a unit surface area of the wall during a 24 hour period. (Hint: The equation J' = Pi-wall' mixture through a permeable wall. Then, P and P2 are being the partial pressures of species i PL1-P1,2 expresses the mass flux of species i within the gas within the mixture. )

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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1. A wall of 20 cm thick has the permeability of 2x10" kg/s.m.Pa. The indoor conditions are 25°C and 35 % of RH while the outdoor conditions are 5 °C and 50% of RH. Determine the amount of moisture flowing through a unit surface area of the wall during a 24 hour period. (Hint: The equation J' = Pi-wal Pi1-P1,2 expresses the mass flux of species i within the gas L mixture through a permeable wall. Then, P1 and P2 are being the partial pressures of species i within the mixture. )
Transcribed Image Text:1. A wall of 20 cm thick has the permeability of 2x10" kg/s.m.Pa. The indoor conditions are 25°C and 35 % of RH while the outdoor conditions are 5 °C and 50% of RH. Determine the amount of moisture flowing through a unit surface area of the wall during a 24 hour period. (Hint: The equation J' = Pi-wal Pi1-P1,2 expresses the mass flux of species i within the gas L mixture through a permeable wall. Then, P1 and P2 are being the partial pressures of species i within the mixture. )
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