What type of diagram is used to show energy flows?

Sankey diagram.

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What is a Sankey diagram?

A Sankey diagram is a visual representation of all the energy transfers taking place in a process.

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What does the width of each arrow in a Sankey diagram indicate?

The width of each arrow indicates how much energy (or power) it represents.


Wider arrows represent more energy (or power).

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In a Sankey diagram, does the arrow for useful energy (or power) output go to the right or down?

To the right.

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