methods of heat transfer
Post on 12-Apr-2017
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METHODS OF HEAT TRANSFER
CONDUCTION – CONVECTION - RADIATION
TRANSMISSION OF HEAT
•MOVEMENT OF HEAT FROM COLDER TO HOTTER ITEM
CONDUCTION•OCCURS WHEN TWO OBJECTS TOUCH•CONDUCTORS- MATERIALS THAT ARE READY TO CONDUCT HEAT•INSULATORS- MATERIALS THAT SLOW DOWN CONDUCTION OF HEAT
CONVECTION
•OCCURS IN ALL UNEVENLY HEATED LIQUIDS AND GASSES•OCCURS WHEN HEATED SUBSTANCE ITSELF MOVES
RADIATION
•ONLY TYPE OF HEAT TRANSFER THAT CAN OCCUR IN EMPTY SPACE
QUIZ #6
WRITE WHAT METHOD OF HEAT TRANSFER IS PRESENT IN EACH SITUATION.
1.A POT SITTING ON A HOT BURNER.2.HOW THE INSIDE OF A GREENHOUSE
WORKS3.A PERSON PLACING HIS HANDS OVER A
WARM FIRE4.PUTTING YOUR WET SHOES ON A DOOR
VENT TO LET IT DRY FASTER5.PICKING UP A HOT CUP OF COFFEE
ANSWERS1.CONDUCTION2.CONVECTION3.RADIATION4.CONVECTION5.CONDUCTION
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