N O T E B O O K
T H E AT M O S P H E R E A N D E N E R G Y ENGINEERING CHALLENGE
Minimizing and Maximizing the Rate of Heat Transfer Defining the Engineering Problem Contest rules • • • • • • •
Device must contain a 250 mL beaker with 200 g of ice water Materials must be at room temperature Device must be exposed to a strong light source for exactly 20 minutes Water temperature will be measured and recorded before starting Water temperature will be measured and recorded after 20 minutes Minimizers: have the least temperature change Maximizers: have the most temperature change
1. Based on the Contest Rules, define the criteria and constraints for your device. Criteria
© Teachers’ Curriculum Institute
Constraints
M i n i m i z i ng a nd Ma x i m i z i ng t he R ate of He at Tr a n sfer
1