Wednesday, December 2, 2009

Convection







Convection is the second type of heat transfer. Convection is the transfer of heat through liquids and gases. It is usually transferred through the air. An example of convection is when a person walks outside and feels the wind breeze on his/her face. Also an example of convection is when you are swimming and then you feel a current with warm temperature brush your leg.  In addition to that another form of heat transfer is when steam heats the room. When you open the window at night you feel a breeze on your face. The final example is when you have a warm bowl of rice, oatmeal, etc in your face ,and then a warm up draft of steam or hot air hits your face.

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