1
Q
Energy equation
A
Ein = Eout
Qc + W = QH
2
Q
COP equation
A
COP = Qh / W
3
Q
What is Qc?
A
Thermal energy entering the system from the cold end in J
4
Q
What is W?
A
The electrical energy supplied to the heat pump in J
5
Q
What is QH?
A
Thermal energy leaving the heat pump system at the hot end in J
6
Q
A domestic heat pump has a coefficient of performance of 3.5. Explain what is meant by COP
A
A coefficient of performance is a measure of the efficiency of a heat pump. The ratio of the the energy output from the pump(eout) to the amount of energy required to operate the pump (ein)
Environmental Technology
flashcards
Decks in class (51)
# Cards
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Chapter 1 LO1 Principal Fossil Fuels6
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Chapter 1 LO2 Importance Of Fossil Fuels In Modern society2
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Chapter 1 LO3 Action on Fossil Fuel Conservation5
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Chapter 1 LO4 IPCC3
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Chapter 1 LO5 Concept Of Carbon Trading5
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Chapter 4 LO1 Power Generation4
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Chapter 5 LO2 Large Scale Generation Of Electricity From Fossil Fuels9
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Chapter 5 LO3 How Renewable Energy Sources Can Be Used Directly Or Indirectly5
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Chapter 5 LO4 Energy Changes From Renewable Energy Sources7
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Chapter 5 LO5 How Electricity Is Distributed Through The National Grid1
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Chapter 5 LO6 Concept Of A SMART Grid7
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Chapter 5 LO7 Benefits of SMART Grid5
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Chapter 5 LO8 CHP6
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Chapter 6 LO1 Microgeneration Definition1
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Chapter 6 LO2 Micro Electric and Micro Heat5
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Chapter 6 LO3 Home/Community Microgeneration Of Electricity1
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Chapter 6 LO4 AND LO5 Heat Pumps3
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Chapter 6 LO6 Components In An Air Pump6
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Chapter 6 LO7 COP6
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Chapter 7 LO1 HAWT and VAWT1
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Chapter 7 LO2 Components Of A HAWT1
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Chapter 7 LO5 Betz Limit4
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Chapter 7 LO6 Rotor Collected Energy And Rated Energy Output2
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Chapter 7 LO7 Relationship Between Power Output And Swept Area1
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Chapter 7 LO9 The Relationship Between Wind And Power Production And Interpet Power Curves3
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Chapter 7 LO10 The Effect Of Blade Diameter On The Power Output Of A Wind Generator2
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Chapter 7 LO11 How The Power Output From A Wind Turbine Is Affected By Air Density, Temperature And Altitude8
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Chapter 7 LO12: Assess The Factors That Affect Maximum Energy Production In Wind Turbines Within The Context Kf Cost - Benefit Analysis3
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LO13 + 14 : Terms of hub height and rotor diameter, critical factors used to determine hub height, Critical factors used to determine hub height.5
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LO16: Describe how turbine performance is influenced by the blade length, strength of materials and siting requirements1
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LO17: Define wind survival speed as the maximum wind speed that a turbine is designed to withstand before sustaining damage5
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LO18: Understand that All Wind Turbines are Designed with Some Element of Power Control5
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LO19: Explain how yawing ensures that the turbine faces on-coming wind3
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LO20: Discuss how commercial wind from ventures seek to optimise the location for their turbines by considering energy output, costs, environmental and social issues3
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Chapter 8 LO1: Provide an approximation of the amount of solar energy available for UK energy purposes each year1
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Chapter 8 LO2: Describe the 2 approaches (solar thermal photovoltaic) used in solar collectors11
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Chapter 8 LO3: Explain how an automated tracking system can be used to maximise energy output from solar collectors12
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Chapter 8 LO4: Demonstrate A Practical Understanding Of The Operation Of Tbe Plate And Evacuated Tube Solar Thermal Collectors9
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Chapter 8 LO5: Calculate The Amount Of Roof Space Required For A Domestic Flat Plate Solar Collector3
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Chapter 8 LO6: Evaluate The Benefits To Households Of Installing A Flat Plate Solar Thermal Collector2
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Chapter 8 LO9: Describe The Composition And Structure Of A Photovoltaic Cell And Explain The Roll Of The Semiconductor Wafer In Producing Electricity3
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Chapter 8 LO10: Identify The Four Material Types Of Photovoltaic (PV) Modules (Monocrystalline, polycrystalline, Thick - Film And Thin - Film5
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Chapter 8 LO138
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Chapter 8 LO15: Discuss The Range Of Incentives Available To Homeowners Considering Installing Solar Panels, For Example Selling Electricity To Energy Suppliers1
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Chapter 8 LO16: Describe How Passive Solar Design Technologies Can Be Applied To New Existing Buildings2
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Chapter 8 LO17: Explain How Concentrating Solar Power (CSP) Systsems Will Use Lenses Or Mirros To Focus A Large Area Of Sunlight Into A Small Beam8
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Chapter 10 LO1 + LO2: Explain The Problems Associated With Delivering Energy From Renewable Energy Storage3
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Chapter 10- LO3 Explain The Gases Formed By Fractional Distillation Are Cool, Liquified And Stored For Use5
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Chapter 10 LO3: Outline The Basic Operational Systems Involved In Energy Storage For Both Compressed Air Energy Storage (CAES) And Pumped Hydro4
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Chapter 10 LO4: Discuss The Types Of Locations Where Energy Storage Would Be Most Beneficial As Well As Cost Effective3
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Chapter 11 LO1:Understand The Significance Of Global Reliance On Crude Oik As Both A Fuel Source And An Industrial Feedstock5
