7.2.3 - Energy Analysis - Heating Flashcards
1
Q
What is dissipation?
A
The energy in the store it was transferred into.
2
Q
Do you want to reduce dissipation or encourage it?
A
You want to reduce the energy dissipated due to…
3
Q
Is energy is dissipated due to heating, where has the energy gone and is it useful?
A
The thermal store of the surroundings, no.
4
Q
Why is no appliance 100% efficient?
A
Because energy is always dissipated
5
Q
What is the diagram called?
A
Sankey diagram.
6
Q
In a sankey diagram, what does the top vere off show, heating?
A
Thermal store of surroundings.
7
Q
In a sankey diagram, what does the bottom part shoe, heating?
A
The desired heat.
8
Q
How do more efficient devices work?
A
Operate at a lower power, so they use u the fuels slower.
