Heat Transfer Analysis of Windows With Venetian Blinds: A ...
Heat Transfer Analysis of Windows With Venetian Blinds: A ...
Heat Transfer Analysis of Windows With Venetian Blinds: A ...
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<strong>Heat</strong> <strong>Transfer</strong> <strong>Analysis</strong> <strong>of</strong> <strong>Windows</strong> <strong>With</strong><br />
<strong>Venetian</strong> <strong>Blinds</strong>: A Comparative Study<br />
Bartosz Lomanowski<br />
MASc Candidate<br />
Solar Thermal Research Lab<br />
Department <strong>of</strong> Mechanical Engineering<br />
University <strong>of</strong> Waterloo<br />
blomanow@engmail.uwaterloo.ca<br />
SESCI / SBRN Conference 2007
OVERVIEW<br />
Solar radiation distribution<br />
Indoor space<br />
Reflected<br />
Absorbed<br />
Transmitted solar flux<br />
Outdoor<br />
Environment<br />
SESCI / SBRN Conference 2007
OVERVIEW<br />
Solar radiation distribution + <strong>Heat</strong> transfer analysis<br />
Indoor space<br />
Reflected<br />
Absorbed<br />
Outdoor<br />
Environment<br />
Transmitted solar flux<br />
Longwave radiative flux<br />
Convective flux<br />
Net<br />
<strong>Heat</strong><br />
Gain<br />
SESCI / SBRN Conference 2007
METHODOLOGY<br />
System Layout<br />
Assumptions<br />
Models<br />
SESCI / SBRN Conference 2007
METHODOLOGY<br />
System Layout<br />
Assumptions<br />
Models<br />
1-D center glass<br />
Indoor space<br />
Outdoor environment<br />
Slats<br />
SESCI / SBRN Conference 2007
METHODOLOGY<br />
System Layout<br />
Assumptions<br />
Models<br />
Effective long-wave<br />
properties<br />
Convection<br />
indoor<br />
between-panes<br />
outdoor<br />
SESCI / SBRN Conference 2007
METHODOLOGY<br />
System Layout<br />
Assumptions<br />
Models<br />
Effective long-wave<br />
properties<br />
Convection<br />
indoor<br />
between-panes<br />
outdoor<br />
SESCI / SBRN Conference 2007
RESULTS<br />
Expected?<br />
Standard<br />
Interior<br />
Between-panes<br />
Exterior<br />
Weather<br />
SESCI / SBRN Conference 2007
RESULTS<br />
Expected?<br />
Standard<br />
Interior<br />
Between-panes<br />
Exterior<br />
Weather<br />
SESCI / SBRN Conference 2007
RESULTS<br />
Expected?<br />
Standard<br />
Interior<br />
Between-panes<br />
Exterior<br />
Weather<br />
SESCI / SBRN Conference 2007
RESULTS<br />
Expected?<br />
Standard<br />
Interior<br />
Between-panes<br />
Exterior<br />
Weather<br />
SESCI / SBRN Conference 2007
RESULTS<br />
Expected?<br />
Standard<br />
Interior<br />
Between-panes<br />
Exterior<br />
Weather<br />
SESCI / SBRN Conference 2007
RESULTS<br />
Expected?<br />
Standard<br />
Interior<br />
Between-panes<br />
Exterior<br />
Weather<br />
SESCI / SBRN Conference 2007
RESULTS: double glazing<br />
SESCI / SBRN Conference 2007
RESULTS: double glazing + dark indoor blind<br />
SESCI / SBRN Conference 2007
RESULTS: double glazing + dark indoor blind<br />
SESCI / SBRN Conference 2007
RESULTS: double glazing + dark indoor blind<br />
SESCI / SBRN Conference 2007
RESULTS: double glazing + dark indoor blind<br />
SESCI / SBRN Conference 2007
RESULTS: dark vs. light blind – peak gain<br />
SESCI / SBRN Conference 2007
RESULTS: dark vs. light blind – peak gain<br />
SESCI / SBRN Conference 2007
RESULTS: dark vs. light blind – peak gain<br />
SESCI / SBRN Conference 2007
RESULTS: Summary<br />
SESCI / SBRN Conference 2007
POINTS OF INTEREST<br />
Low-e slats<br />
Typ. Paint<br />
Low-e<br />
Scattering<br />
SESCI / SBRN Conference 2007
POINTS OF INTEREST<br />
Low-e slats<br />
Typ. Paint<br />
Low-e<br />
Scattering<br />
SESCI / SBRN Conference 2007
POINTS OF INTEREST<br />
Low-e slats<br />
Typ. Paint<br />
Low-e<br />
Scattering<br />
SESCI / SBRN Conference 2007
POINTS OF INTEREST<br />
Low-e slats<br />
Typ. Paint<br />
Low-e<br />
Scattering<br />
SESCI / SBRN Conference 2007
QUESTIONS?<br />
SESCI / SBRN Conference 2007
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