On a cold winter day, holding a cup of hot coffee is always pleasant. But heat exchange between the coffee and the environment happens much faster than on a hot summer day, so hurry up before it completely cools down.
Fire-walking is a popular attraction in Sri Lanka. The performer needs to walk quickly to limit the time his foot is over the fire to avoid getting burned. Time again plays an important role in heat transfer. (NOTE: Fire-walking is dangerous. Do not attempt to do this under any circumstances!)
In this lesson, we will introduce you to transient analysis, in which time plays an important role in heat transfer. After the lesson, you will understand:
Here are the accompanying handout slides for this lesson.