Energy Flashcards
1
Q
The ‘three-no-regrets’
A
- energy efficiency
- renewables
- energy infrastructure
2
Q
The ‘three energy carriers’
A
- electricity
- heat
- fuels
3
Q
Sustainable Futures
A
- the ‘three-no-regrets’
- the ‘three energy carriers’
- Business not-as-usual
- Electrification of transport
4
Q
Energy Services
A
- lighting
- cooking
- water supply / waste treatment
- suitable indoor environments
- mobility
- communication
- entertainment
- manufacturing / processing capacity
5
Q
Paris Agreement
A
- political will to phase out fossil fuels
- NZ only 11% reduction on 1990 levels: must increase
- NZ credit price increase
6
Q
Oil Situation
A
- increased Saudi production
- Saudi policy “ in 20 years we will be a state that doesnt depend mainly on oil”
- US $2 trillion fund
- Task force on climate related disclosures
- “Not-so-Big-Oil”
- Price Uncertainty
7
Q
Political Climate
A
- G7 leading industrial nations agreed to cut greenhouse gases by phasing out fossil fuels by the end of the century
- Paris Agreement: 195 nations signed up - 2 degrees limit
8
Q
Energy Supply Chains
A
- liquid, solid and gaseous fuels
- heat
- electricity
9
Q
Key issues with energy supply chains
A
- infrastructure
- vulnerability
- resilience
- storage
10
Q
Energy definition
A
Work, E = Fd
(Nm) = J
11
Q
Power definition
A
rate of work, P = Fv
Watt (J/s)
12
Q
Energy used in water supply
A
- pumping
- mixing
13
Q
Energy used in wastewater treatment
A
- pumping
- aeration
- conveyance
14
Q
Electric Vehicles
A
- light vehicles easily converted
- heavy vehicles difficult due to the battery size required for such a heavy vehicle too large to be feasible
- shift from fossil diesel to biodiesel instead
15
Q
issues with biodiesel for heavy vehicles
A
- melting point
- CV
- land area
