Section 4 - Sankey Diagrams Flashcards
1
Q
Why do you use Sankey diagrams?
A
You use them to make it easier to see at a glance how much of the input energy is being usefully employed compare to how much energy is being wasted.
2
Q
What does the thickness of the arrow on a Sankey diagram represents?
A
The amount of energy
3
Q
Describe in words the structure of a Sankey diagram.
A
Arrows pointing down are usually wasted energy unless told otherwise. Arrows pointing straight are usually useful energy.
In a detailed Sankey diagram the width of each arrow is proportional to the number of joules it represents.
4
Q
If you need to take a look at a Sankey diagram. Go to this page:
A
Page 47
