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Types of Energy Conversions

CHEMICAL
CHEMICAL

During conversions from chemical energy to thermal energy, the energy stored in the chemical bonds are released and this energy causes surrounding molecules to move faster thus increasing the thermal energy of a substance.

Chemical Energy (Fuel, gas, Battery)
Chemical Energy (Fuel, gas, Battery)

Wood - Dry wood stores chemical energy. This chemical energy is released as the wood burns, and it is converted into heat, which is also called thermal energy, and light energy. As a result of burning, the wood turns into an entirely new substance – ashes. Explosives - When an explosive goes off, chemical energy that was stored in the explosive is changed and transferred into sound energy, kinetic energy, and thermal energy.

ELASTIC
ELASTIC

All of the energy that the person used to pull the string back is now stored in the elastic material of the bow. Energy stored like this is called potential energy. The bow is made of elastic "springy" material that is good at storing and releasing energy. 2. Arrow Released - Energy Transferred to Arrow In position 2, the archer has let go of the string.

Electrical Energy
Electrical Energy

An electric stove plugged into a wall outlet uses the electrical energy to flow into the burners on the stove top and as the electric charges pass through the burners the electrical energy is converted into thermal energy.

GRAVITATIONAL
GRAVITATIONAL

Gravitational potential energy is energy due to an object’s position. An object in the air has gravitational potential energy because when released, it will begin to move and convert its stored energy into movement, or kinetic energy.

source: education.com
Kinetic Energy is Found in Movement
Kinetic Energy is Found in Movement

Energy conversions is the process of energy changing form within a single object. For example, when you release a pendulum, the potential energy it had while being drawn upwards is changed into kinetic energy or the energy of movement.

source: answers.com
Light Energy
Light Energy

Recent efforts to synthesize nanostructures with well defined geometrical shapes (e.g., solid and hollow spheres, prisms, rods, wires) and their assembly as 2- and 3- dimensional assemblies has further expanded the possibility of developing new strategies for light energy conversion.

source: www3.nd.edu
Mechanical Energy (Walking, Running)
Mechanical Energy (Walking, Running)

Walking - or doing any effort with our muscles with that matter - converts chemical energy into mechanical energy. We get the chemical energy from the food we eat. Walking - or doing any effort with our muscles with that matter - converts chemical energy into mechanical energy.

source: answers.com
MOTION
MOTION

Energy transformation, also termed as energy conversion, is the process of changing energy from one of its forms into another. In physics, energy is a quantity that provides the capacity to perform many actions—think of lifting or warming an object.

NUCLEAR
NUCLEAR

Among these conversions (nuclear reactions) belong for example nuclear fission, nuclear decay and nuclear fusion. Conversions are associated with mass and energy changes. One of the striking results of Einstein’s theory of relativity is that mass and energy are equivalent and convertible, one into the other.

Nuclear Energy (Nuclear Fusion and Fission)
Nuclear Energy (Nuclear Fusion and Fission)

The amount of energy released in nuclear reactions is astounding. Table 1 shows how long a 100 Watt light bulb could run from using 1 kg of various fuels. The natural uranium undergoes nuclear fission and thus attains very high energy density (energy stored in a unit of mass).

Sound Energy ( From Sound Waves)
Sound Energy ( From Sound Waves)

[1] Shalabh Rakesh Bhatnagar ” converting sound energy to electric energy” International Journal of Emerging Technology and Advanced Engineering ISSN 2250-2459, Volume 2, Issue 10, October 2012. (Conference Paper) [2] Study of Piezo-electric device for conversion of sound. to electricity by Jamie Sue Rakin, University of Utah Oresto Symko.

source: ijser.org
Thermal Energy ( From Heat)
Thermal Energy ( From Heat)

either thousand British thermal units (kBtu) or billion joules ... specific heat content that are used to convert between kWh, ... Thermal Energy Conversions Page 5

image: yokogawa.com
THERMAL ENERGY AND TEMPERATURE
THERMAL ENERGY AND TEMPERATURE

In that case, the goal would be to convert thermal energy into electrical energy with as little loss as possible. In automotive design, thermal energy represents a challenge as well - the process of burning gasoline creates a great deal of energy that is not translated into vehicle motion or other useful functions.