EXAMPLE SYSTEMS

• We know that as we heat materials at one point, they do not instantly heat at all points, there is some delay (consider a spoon in a hot bowl of soup). This delay is a function of heat capacitance (yes there is a parallel to the electrical description).

• Consider an insulated sealed chamber with a resistive barrier between sides, and a heating element in one side.

 

Figure 25.6 A two chamber thermal system

 

Figure 25.7 A two chamber thermal system (continued)

 

Figure 25.8 A two chamber thermal system (continued)

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