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What is nanotechnology?
NANO… one billionth of one and one-third of micro, to be precise 10 power 9m. Nanotechnology is much discussed these days as an emerging frontier – a realm in which machines operate at scales of billionth a meter. Nanotechnology in the mechanical field is the internal combustion engine on a nano scale. Heat engines have evolved from external combustion engines to internal combustion engines and the hot off the block is the nano internal combustion engine
What is heat engine?
Heat engines work on the principle of converting chemical energy into mechanical work and evolve from external combustion engine to internal combustion engine. The external combustion engine is the heat engine in which fuel combustion takes place in the external cylinder. Due to this, it is bulky and consumes a lot of place. The second revolution of heat engines is ICE in which fuel combustion takes internally and consumes less place and became compact, cost effective. Of late third revolution is NANO Internal Combustion Engine.
This picture gives an idea of the size of the nano internal combustion engine. If you observe, the length from the back plate to the washer is less than an inch. There are no exotic materials required.
It has high precision, cost effective, high speed (up to 40000 rpm).The various applications can be spotted from race cars to space crafts. It can also be applied to various fields like agricultural pump sets, industrial applications, Hospitals, constructions civil engineering equipment etc.
The Nano is a 0.1cc (that's less than 0.01 cu in) compression ignition engine - most frequently, if somewhat inaccurately, referred to as a "diesel". It was designed by Richard Gordon.
THE COMPONENTS USED
1) Crankcase and Cylinder rough-out
2) Backplate
3) Venturi and Needle Valve Assembly
APPLICATIONS
• It can be controlled in aeroplanes/satellites/space ships etc., the timing of inlet and exhaust valves.
• According to NASA reports, they are experimenting about the use of nano engine in nano & pico satellites.
• In the case of a mine tragedy where harmful gases are emitted, these nano ic engines can be employed as powerful blowers to blow out these gases is a less time saving the lives of trapped miners.We require at least 5-6 blowers to blow these gases whereas two nano ic engines could do the trick in less time.
RESEARCH
Every day people are spending more and more money because of rising gas prices. People all over the world are trying to find a solution—even visiting websites to locate the nearest and cheapest gas, all the while losing time and mileage just to reach [these] refueling stations.
The solution
With nanotechnology, fuel transforms at the nano-level to achieve ae complete combustion, resulting in increased fuel economy, more driving power, and fewer pollutive emissions.
CONCLUSION
With the application of Nano in every sphere of life, the ‘big’ may not find its place in engineering dictionary in future. If we are to continue these trends we will have to develop a new manufacturing technology, which will let us inexpensively build nanosystem with mole quantities that are molecular in both size and precision and are, inter connected in complex patterns NANOTECHNOLOGY WILL DO THIS.