Tuesday 29 December 2015

It is found by scientists that evaporating water can be used to generate power (Evaporation engine). How it can be done? Explain. (200 Words)

Recently Paris climate agreement (COP21) focusses on increasing use of renewable energy for power generation. In this aspect a new research by Colombia university scientists on evaporation engine may plays important role in future.

Sahin from Columbia University found new techniques of power generation from soil bacteria spores. These spores expand in moisture & contract in dry atmosphere. So by putting spores on long plastic tapes in humid conditions, sheet gets curved on absorbing moisture &opens up on other side to release moisture and cycle gets continued. Such open-close movement led to
push-pull force generation. So if connected with piston-rod arrangement, it produces electricity from generator by rotary motion.

This technique plays significant role as it’s capable of producing electricity from still water. So by placing long plastic sheets with
spores on reservoirs, reducing water vapour wastage it generates power. Also it’s found that such technique is much cheaper than other renewable sources like solar,wind energy.

But to bring technique from lab to actual reservoir,more research is to be done. For this initially more funding is necessary.So for implementation in future, Government as well as private sectors have to come forward for more research. Efficient implementation of such technique in futute helps India to achieve its sustainable development goal and also provide alternative option for costly solar power generation.

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