Consider a composite wall that includes an 8-mm-thick hardwood siding, 40-mm by 90-mm hardwood studs on 0.65-m centers with glass fiber insulation (paper faced, 28 kg/m³), and a 12-mm layer of gypsum (vermiculite) wall board. What is the thermal resistance associated with a wall that is 2.5 m high by 6.5 m wide (having 10 studs, each 2.5 m high)? Assume surfaces normal to the x-direction are isothermal.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Consider a composite wall that includes an 8-mm-thick hardwood siding, 40-mm by 90-mm hardwood studs on 0.65-m centers with
glass fiber insulation (paper faced, 28 kg/m³), and a 12-mm layer of gypsum (vermiculite) wall board. What is the thermal resistance
associated with a wall that is 2.5 m high by 6.5 m wide (having 10 studs, each 2.5 m high)? Assume surfaces normal to the x-direction
are isothermal.
Rtot
=
P
K/W
Wood siding
Stud
Insulation
Wall board
Transcribed Image Text:Consider a composite wall that includes an 8-mm-thick hardwood siding, 40-mm by 90-mm hardwood studs on 0.65-m centers with glass fiber insulation (paper faced, 28 kg/m³), and a 12-mm layer of gypsum (vermiculite) wall board. What is the thermal resistance associated with a wall that is 2.5 m high by 6.5 m wide (having 10 studs, each 2.5 m high)? Assume surfaces normal to the x-direction are isothermal. Rtot = P K/W Wood siding Stud Insulation Wall board
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