Examples of thermal energy stores explained igcse/gcse 9-1 Physics revision notes

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School Physics revision notes: Thermal energy stores and heat transfer

TYPES OF ENERGY STORE - examples explained

(g) Thermal energy stores

Doc Brown's school physics revision notes: GCSE physics, IGCSE physics, O level physics, ~US grades 8, 9 and 10 school science courses or equivalent for ~14-16 year old students of physics

This page will help you answer questions such as ...

What is a thermal energy store?

Can you describe examples of a thermal energy store?

How can you increase the thermal energy content of a thermal energy store?

Thermal energy and thermal energy stores

All objects above -273^oC (O K) have thermal energy, if not a lot at very low temperatures!
The hotter an object, the more thermal/thermal energy the material contains/holds/stores and hot objects can release thermal energy to cooler surroundings.
Thermal energy can only move from a higher temperature material to a lower temperature material - there must be a negative temperature gradient for a net flow of thermal energy.
Thermal energy is due to the vibration of atoms in solids or the kinetic energy of particle movement in liquids or gases.
- Thermal energy - 'heat', is all about the kinetic energy of individual atoms or molecules.
Thermal energy from a thermal energy store can only flow from a higher temperature region to a lower temperature region ie from hot objects to cold objects.
Increasing an objects temperature increases its thermal energy store.
The increase in the thermal energy store is proportional to the rise in temperature.
For detailed examples of energy store conversions see ...
Types of energy & stores - examples compared/explained, calculations of mechanical work done and power
and Introduction to heat transfer - conduction (and thermal conductivity), convection and radiation GCSE physics notes
and Specific heat capacity: how to determine it, use of data, calculations and thermal energy stores

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Energy resources, energy transfers, work done and electrical power supply revision notes index

Types of energy & stores - examples compared/explained, calculations of mechanical work done and power

Chemical energy stores * Elastic potential energy stores, calculations * Electrical & electrostatic energy stores

Gravitational potential energy and calculations * Kinetic energy stores and calculations * Nuclear energy store

Thermal energy stores * Light energy * Sound energy * Magnetic energy stores

Conservation of energy, energy transfers-conversions, efficiency - calculations and Sankey diagrams gcse physics

See also More on methods of reducing heat transfer eg in a house, insulating properties of materials

Energy resources: uses, general survey & trends, comparing renewables, non-renewables, generating electricity

Renewable energy (1) Wind power and solar power, advantages and disadvantages gcse physics revision notes

Renewable energy (2) Hydroelectric power and geothermal power, advantages and disadvantages gcse physics

Renewable energy (3) Wave power and tidal barrage power, advantages and disadvantages gcse physics

See also Renewable energy - biomass - biofuels & alternative fuels, hydrogen, biogas, biodiesel gcse chemistry notes

Greenhouse effect, global warming, climate change, carbon footprint from fossil fuel burning gcse chemistry

The absorption and emission of radiation by materials - temperature & surface factors including global warming

The Usefulness of Electricity gcse physics electricity revision notes

and The 'National Grid' power supply, mention of small scale supplies, transformers gcse physics notes

Doc Brown's School Physics Revision Notes

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