Energy Engineering Flashcards
1
Q
Oil Situation
A
- Increased Saudi production
- Saudi policy to not depend on oil in 20 years
- US$2 trillion fund
- Task force on climate related disclosures
- Price uncertainty
2
Q
Paris Agreement
A
- Political will to phase out fossil fuels demonstrated
- G7 declaration to cut greenhouse gases by phasing out the use of fossil flues by the end of the century
- G20 declaration
- NZ only 11% reduction on 1990 levels (must increase)
- NZ two for one subsidy removal
- NZ credit price increase
- Renewables - fuel price certainty (free); plus low environmental impact
3
Q
Three No-regrets
A
Energy efficiency
Renewables
Energy infrastructure
4
Q
Three Energy Carriers
A
Electricity
Heat
Fuels (liquid, solid, gaseous)
5
Q
Sustainable Futures
A
Implications include:
- Business-not-as-usual
- Electrification of transport
6
Q
Energy Services
A
- Lighting
- Cooking
- Water supply/waste treatment
- Sustainable indoor environments
- Mobility
- Communication
- Entertainment
- Manufacturing/processing capability
7
Q
Energy Supply Chains
A
- Liquid, solid and gaseous fuels
- Heat
- Electricity
- Key issues: infrastructure, vulnerability, resilience, storage
8
Q
Energy Equation (work)
A
E = F*d
unit is J
or cal or kWh
9
Q
Power Equation (rate of work)
A
P = F*v
unit is Watt (or J/s)
10
Q
Prefixes
A
- Kilo: 10^3
- Mega: 10^6
- Giga: 10^9
- Tera: 10^12
11
Q
Water/Wastewater
A
Water supply:
- pumping and mixing
Wastewater treatment:
- pumping, aeration, conveyance
12
Q
NZ Primary Energy
A
2013
- Renewables = 38%
- Fossil fuels = 62%
- Oil provides the biggest sector
13
Q
NZ Delivered Energy
A
2013
- Oil with biggest section (almost 50%)
- Electricity with next biggest
14
Q
NZ Energy Use By Sector
A
2013
- Transport with biggest use of energy in the form of oil
- Industrial use of energy dominates the other energy sources
15
Q
Energy Sources
A
- Geothermal
- Hydro
- Wood
- Wind
- Biogas
- Solar
- Oil
- Gas
- Coal
