SUMMER CONDITIONS SUPPLY AIR 81°F DB 68°F WB 11 RETURN AIR 75°F DB 63°F WB OUTDOOR AIR 95°F DB 78°F WB EXHAUST AIR 89°F DB 73°F WB An enthalpy wheel saves energy in the

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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SUMMER CONDITIONS
SUPPLY AIR
81°F DB
68°F WB
RETURN AIR
75°F DB
63°F WB
OUTDOOR AIR
95°F DB
78°F WB
EXHAUST AIR
89°F DB
73°F WB
An enthalpy wheel saves energy in the
summer season by cooling air entering a
building from the outside with the return air
that is ventilated from a building. From the
conditions shown in the diagram, how
much is the air conditioning load reduced
by the wheel if the outside air supply to the
building is 5,000 cfm? The wheel is 98%
effective in exchanging heat. [Answer:
About 70 Tons of cooling.
Transcribed Image Text:SUMMER CONDITIONS SUPPLY AIR 81°F DB 68°F WB RETURN AIR 75°F DB 63°F WB OUTDOOR AIR 95°F DB 78°F WB EXHAUST AIR 89°F DB 73°F WB An enthalpy wheel saves energy in the summer season by cooling air entering a building from the outside with the return air that is ventilated from a building. From the conditions shown in the diagram, how much is the air conditioning load reduced by the wheel if the outside air supply to the building is 5,000 cfm? The wheel is 98% effective in exchanging heat. [Answer: About 70 Tons of cooling.
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