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Heat Loss Comparison: Doors and Windows

Heat Loss Comparison: Doors and Windows. Adam Piepgrass ME 340 Section 2 Winter 2010. Project Outline. Predict whether a metal door or double pane window allows for more heat loss using equations from course textbook Measure actual heat loss through a door and window using thermocouple

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Heat Loss Comparison: Doors and Windows

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  1. Heat Loss Comparison:Doors and Windows Adam Piepgrass ME 340 Section 2 Winter 2010

  2. Project Outline • Predict whether a metal door or double pane window allows for more heat loss using equations from course textbook • Measure actual heat loss through a door and window using thermocouple • Compare results

  3. Prediction Door: • Assumptions: • Door is modeled as solid steel • Conduction only method of heat transfer • From textbook (Table A.1) • k = 37-60 depending on what type of steel • Conclusion • Door would be greater source of heat loss Window: • Assumptions: • Window is single pane • Conduction only method of heat transfer • From textbook (Table A.3) • k = 1.4 • Conclusion • Window would be a lesser source of heat loss

  4. Measure • Method: • Using thermocouple, measure the surface temperatures of my home door and window • Results:

  5. Comparison • Prediction: Door would be greater source of heat loss • Measure: Door had greatest difference in surface temperatures – door is greater source of heat loss • Conclusion: Prediction and actual results are identical

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