Wanna Start a assignment on converting Vibrational energy to Electrical energy

In summary, the individuals are looking to start a project in their college which involves converting vibrational energy to electrical energy using a piezoelectric crystal. They are seeking guidance on where to begin with the practical aspect and have theoretical knowledge on the topic. Suggestions include researching piezoelectric sensors and other methods of converting mechanical energy to electrical current. However, it is important to note that there is limited energy available from piezo crystals and the vibration may be affected by the removal of this energy. Other techniques such as those used in producing electricity from wave motion may also be worth researching.
  • #1
vstrtz
1
0
hey guys!
i want to start a new project in my college with my friends...
we have thought of something like converting vibrational energy to electrical energy with the help of peizoelectric crystal!
please can anybody point us to direction as where to start practically.. we have theoratical knowledge!
THX!
 
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  • #2
vstrtz said:
hey guys!
i want to start a new project in my college with my friends...
we have thought of something like converting vibrational energy to electrical energy with the help of peizoelectric crystal!
please can anybody point us to direction as where to start practically.. we have theoratical knowledge!
THX!

Welcome to the PF. (As an aside note, please avoid using slang like "wanna" and "please" -- it doesn't belong in a technical forum like the PF. Thanks)

Here is a background paper on piezo film:

http://www.media.mit.edu/resenv/classes/MAS836/Readings/MSI-techman.pdf

and a wikipedia.org article on piezoelectric sensors:

http://en.wikipedia.org/wiki/Piezoelectric_sensor

You might also consider having the vibrations move a magnet in the vicinity of a coil -- that is another way to convert mechanical energy to electrical current.
 
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  • #3
There is a type of gas flame lighter that uses a piezo crystal to produce a spark. Maybe you could get the crystal out of one of those.
There isn't much energy available from piezo crystals though.


Power has to come from somewhere, though, so as soon as you try to remove it from a vibrating system, the vibration will stop or at least be damped.

Interesting techniques are used in producing electricity from wave motion.
Maybe you could research those.
 

1. How does the conversion of vibrational energy to electrical energy work?

The conversion of vibrational energy to electrical energy involves using a device called a transducer, which converts mechanical energy from vibrations into electrical energy. This is typically achieved through the use of piezoelectric materials, which produce an electric charge when subjected to mechanical stress.

2. What are the potential applications of converting vibrational energy to electrical energy?

The conversion of vibrational energy to electrical energy has a wide range of potential applications, including powering small electronic devices, harvesting energy from vibrations in machinery or structures, and even powering entire buildings through the use of smart materials.

3. What are the limitations of converting vibrational energy to electrical energy?

One major limitation of converting vibrational energy to electrical energy is the efficiency of the conversion process. While piezoelectric materials can produce a significant amount of energy, only a fraction of it can be converted into usable electrical energy. Additionally, the frequency and amplitude of vibrations must be carefully controlled for optimal energy conversion.

4. How does the conversion of vibrational energy to electrical energy compare to other forms of energy conversion?

Compared to other forms of energy conversion, such as solar or wind energy, the conversion of vibrational energy to electrical energy can be more reliable and efficient. Vibrations are a consistent and abundant source of energy, making it a promising option for sustainable energy production.

5. What advancements are being made in the field of converting vibrational energy to electrical energy?

Researchers are constantly exploring new materials and techniques for improving the efficiency and versatility of vibrational energy conversion. Some recent advancements include using carbon nanotubes and graphene to enhance the piezoelectric effect, as well as developing new types of transducers that can harvest energy from a wider range of vibrations.

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