Tuesday, June 30, 2009

APPLICATIONS IN REAL LIFE.

I shall end off this blog and my physics project with this:

Only some of the many many many applications of thermal energy transfer in real life!

CONDUCTION

Good conductors of heat!
(If thermal energy has to be transfered quickly through a substance, good conductors of heat such as metlas are used)
E.G.
-Cooking utensils
-Soldering iron rods
-Heat exchangers

Bad conductors of heat (Insulators)!
(Insulators are really useful if we want to minimize the loss of thermal energy or prevent thermal energy from being transferred quickly)
E.G.
-Handles of appliances or utensils
-Table mats
-Sawdust
-Wooden ladles
-Woollen clothes
-Fibreglass, felt and expended polysterene foam (used in the walls of housesm ice boxes and refrigerators)

CONVECTION

Common uses would be:
-Electric kettles
-Household hot water systems
-Air conditioners
-Refrigerators

RADIATION

Common applications:
-Teapots
-Greenhouses

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