Pelton wheel Project

The Pelton wheel is an impulse turbine which is among the most efficient types of water turbines.The Pelton wheel extracts energy from the impulse (momentum) of moving water, as opposed to its weight like traditional overshot water wheel.Older turbines used water power inefficiently.The shape of Pelton turbine made it more efficient.


Useful links :

Calculations for my Pelton wheel turbine
Pelton Turbine Manual (1.6 MB)




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Can Crusher Experiment

Can crushing is very important to reuse aluminum in these cans. Moreover this contribute to significantly lower the waste management problem. These can crusher can be made to work mechanically so that no electricity is needed to crush them.

Why can crushing project is important?

Process of can crushing is very complex now. Every one throw there waste including cans to the dustbin, from there it is collected to throw in a city garbage area. Waste management people collect each can from there manually. And then these cans go for recycling in a big crusher. This whole process takes large amount of time and energy. We can reduce this problem if we crush them manually or with little electricity and then use them or sell them to aluminum buyers.


Useful Links :

Plasma Dynamic Can Crusher :  A 100 micro-Farad capacitor is charged up to 10 kV which discharges through a 3 turn copper coil upon triggering the spark gap switch. The magnetic field thus produced in the coil is so strong that any soda can, within the coil, will be crushed.

Related Video :
Mechanical Can Crusher
 


Homemade Can Crusher :

 
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Pedal operated power generating system

 
Pedal powered system can be used to recharge your cell phones, laptops or to power your camping outside. This is just a start but in future if it gets implemented in local exercise parlor and in every bicycle in a optimized way , it can produce electricity on large scale. Moreover , this method used successfully in recent wall street demonstration.



Things to know : 

Alternator : An alternator is an electromechanical device that converts mechanical energy to electrical energy in the form of alternating current.

Alternators generate electricity using the same principle as DC generators, namely, when the magnetic field around a conductor changes, a current is induced in the conductor. Typically, a rotating magnet, called the rotor turns within a stationary set of conductors wound in coils on an iron core, called the stator. The field cuts across the conductors, generating an induced EMF (electromotive force), as the mechanical input causes the rotor to turn.

Inverter : An inverter is an electrical device that converts direct current (DC) to alternating current.

 
Related Video :

With the help of an alternator, mountain bike and an inverter, we can run a human-powered 220 Watt food processor as shown below :

 

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Pedal powered Grinding Mill

Grain grinder needs no introduction, it has a significant contribution in our life whether we have it at our home or not but we all are dependent on it for our food. This project idea is for mechanical and physics students.



There are basically two types of grinders :


1.Automatic Electric Machine driven grinder

2. Human powered grinder


Purpose: This project is based on human powered grinder. Instead of driving it by hand , we would use cycle pedals to grind wheat or other grains.

Concept:  We will connect cycle wheel with grinder using different gears.By rotating wheels with the help of pedal , our pedal powered grinder starts to rotate. Remaining all the parts works as they do in traditional grinders.

Merits :

1.It will save electricity

2.Easier to maintain

3Make yourself fit.

Useful Articles:

Will bike for food

Related Video :

Compound gear reduction chain drive

 

Related PDF :

Portable Pedal Power 

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renewable energy projects

I got many emails regarding renewable energy project ideas. Even though, I had given lot of projects regarding solar , wind and wave energy in Mechanical engineering projects post , I still receives many queries regarding this.So, I have decided to write more about this topic in detail.

Due to scarcity of natural energy resources on earth engineers need to develop technology beyond them. They are working on it from last many years but by now global warming and oil prices are hot topic. There have been lot of big conferences around related to it. Many big companies took initiative and got some success too. Car Market has flooded with hybrid and electric cars. These cars not only sleek in design but has power which is no short of gasoline or petrol.One of the best example for these cars is Toyota Prius.

In my opinion to win against global warming and oil bills ,Government should adopt three way approach :

1. Start investing in research work related to renewable sources.

2. Improve efficiency of current machines.

3.Make people aware so they start saving energy as they save their money.

To implement two of the above three points , government would need engineers like you, so its better to build projects on renewable resources in your final year.I am giving you links having details about these projects :

Projects:

Solar Cooker

Solar Powered Mobile Charger

Solar Toy Car 

Solar Powered Refrigerator

Solar Chimney

Beam Circuit Solar Engines

Solar Powered Path Finding vehicle

Solar Powered Generator 

Solar Insect Robot

Air Conditioner 

Wind Mill Power Generation System

Hydropower Projects

Generate Electricity from Dance Floor

Perpetual Motion Machine 

Pedal powered refrigerator

Pedal operated power Generator 

Power generation using wind turbine kites

Air Compressed Cars 

Air Bike 

Build Electric Two Wheeler Bike

Generating Electricity from Waste Water

Solar Powered Water Pump which can be used in drip irrigation.

Other Sites :

Using an Alternator in Renewable Energy Projects : An alternator differs from a dc motor in that it contains no permanent magnets. Instead, there are two concentric wound coils of wire.

Solar Electric System : Good blog has all the details regarding regarding this system.

Montana State University : This site discuss about some of the costliest projects. To work on these projects you will need private or government funds.

Solar Water Heating Installation project : Students of Stanford University has been working around campus area for implementing some useful solar and wind energy projects.

Windmill power generation system

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