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Exploration of solar overheati
Module Code: BE
Assume you have a single room of dimensions 2.5m x 4m x 4m
facing
Assume there is no windAssume that the window is openEstimate
the mean temperature excess in summer ∆T (! and air"ow v
.imbol /escription
cp Air speci$c heat% Air density&r 'ean insulation )et heat
gain (*olar gains through the window!
+d ,ischarge coe-cientA total window area
A# &nlet areaA2 utlet areag /ravity accelerationh 0ertical
distance from outlet to inleth# 0ertical distance from neutral
plane to inleth2 0ertical distance from neutral plane to
outlet Ti &nside temperature (21 +!0ol 0olume of the
room
Main e0uations
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Buoyancy Driven Ventilation in Two Simple Buildings
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Buoyancy Driven Ventilation in Two Simple Buildings
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ng controlled by buoyancy driven ventilation in
VGE! " Energy: #heory$ Measurement and %nterpretation Cours
by Bruno 'rcuri$ ()*+(*,+(-Case (
outh
(ach!
Value 1nit
#115.11 g. #.21 gm6
#11.11 3m2411.11 3
1.71 84.11 m22.11 m22.11 m29.:1 ms2#.11 m1.51 m1.51 m
296.11 41 m6
Calcul
3# 456 #.62 ∆T ;
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Buoyancy Driven Ventilation in Two Simple Buildings
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Buoyancy Driven Ventilation in Two Simple Buildings
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wo simple buildings
wo&
ation and 2esults
i.+p.+d#.A#!>?(26!@.?(#[email protected].∆T.g.h#T#!
variation with Cd
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Buoyancy Driven Ventilation in Two Simple Buildings
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8/16/2019 Exploration of Solar Overheating Controlled by
Buoyancy Driven Ventilation in Two Simple Buildings
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Exploration of solar overheati
Module Code: BE
Assume you have a single room of dimensions 2.5m x 4m x 4m
facing
Assume there is no windAssume that the windows are open
Assuming that the stairway Detween the upper and lower rooms in
caseEstimate the mean temperature excess in summer ∆T (! and air"ow
v
.imbol /escription
cp Air speci$c heat% Air density&r 'ean insulation )et heat
gain (*olar gains through the window!
+d ,ischarge coe-cientA Total window area
A# &nlet areaA2 utlet areag /ravity accelerationh 0ertical
distance from outlet to inleth# 0ertical distance from neutral
plane to inleth2 0ertical distance from neutral plane to
outlet Ti &nside temperature (21 +!0ol 0olume of the
room
Main e0uations
8
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Buoyancy Driven Ventilation in Two Simple Buildings
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8/16/2019 Exploration of Solar Overheating Controlled by
Buoyancy Driven Ventilation in Two Simple Buildings
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ng controlled by buoyancy driven ventilation in
VGE! " Energy: #heory$ Measurement and %nterpretation Cours
by Bruno 'rcuri$ ()*+(*,+(-Case ,
outh
two is large enough to guarantee air "owing as if it was a
single room (ach!
Value 1nit
#115.11 g. #.21 gm6
#11.11 3m2:11.11 3
1.71 8:.11 m24.11 m24.11 m29.:1 ms22.51 m#.25 m#.25 m
296.11 :1 m6
Calcul
3# 456 1.9B ∆T ;
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Buoyancy Driven Ventilation in Two Simple Buildings
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Buoyancy Driven Ventilation in Two Simple Buildings
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wo simple buildings
wo&
tion and 2esults
i.+p.+d#.A#!>?(26!@.?(#[email protected].∆T.g.h#T#!
variation with Cd
.
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Buoyancy Driven Ventilation in Two Simple Buildings
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