Energy Transfer and Transformation

Why do you think it is important to understand how energy is transferred or transformed?  

Energy Transfer Definition

‘Energy transfer is the transfer of energy from one object or material to another’

-       Wikipedia 2013

Types of Energy Transfer

There are many different types of energy transfers including:

  • Radiant Energy (radiation)
  • Heat Conduction (travelling heat)
  • Convection (currents of warm air)
  • Mass transfer (hot material transferred to another location)
  • Electrical power transmission (wires carrying current)
  • Mechanical work (machines)

Energy Transformation Definition

‘Energy transformation or energy conversion is the process of changing one form of energy to another’

-       Wikipedia 2013

‘In physics, the term energy describes the capacity to produce certain changes within a system, without regard to limitations in transformation imposed by Entropy’

-       Wikipedia 2013

These are some common energy transformations:

Thermoelectric (Heat –> Electric energy)

Ocean thermal energy (Heat –> Electric energy)

Fire (Chemical energy –> Heat and Light energy)

Hydroelectric dams (Gravitational potential energy –> Electric energy)

Heater (Electric energy –>Heat)

It is important to understand how energy is transferred or transformed or transformed, so that you are able to use energy to it’s full potential and not loose / waste any in the process. As a physics student it is helpful to understand how energy is transferred / transformed when reading related materials and trying to apply your knowledge.  

Energy Transfer Post

This image shows an example of an energy transfer.

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