Innovation that Harnesses Sea Waves for Energy

Confronted with a grim power situation due to its massive demand and unsustainable sources, various alternatives like wind, solar or tidal energy have often been proposed. An Indian innovator has gone a step further and has come up with a technology that tweaks gravity power to harness sea waves for clean and affordable energy. An article says:

The non-polluting technology, aptly named ‘Gravity Power House’ (GPH), is an offshoot of Gravity Power Tower, (GPT) both conceptualised, designed and developed by B. Rajaram, alumnus of the Indian Institute of Technology-Kharagpur, which have also been granted US patents in May 2010 and October 2011.

The technology is based on a simple concept, the conversion of kinetic energy, which an object or medium possesses owing to its motion, into potential deliverable energy to drive wheels on road and rails. Some of the most visible examples of gravity power are water-driven turbines to produce electricity and huge slings that hurled 150-kg projectiles 300 metres away to breach enemy defenses, in ages gone by.

The basic unit of the GPH is a dome-shaped sub-module, with a built-in water turbine. Driven by the cyclic motion of sea waves in the shallow region, the turbine’s twin cast iron masses capture their kinetic energy and work to transmit them continuously to drive the generator, to produce electricity. Each dome, anchored to the sea and housed in a steel and plastic structure, has a two-by-two metre base and a height of 12 metres, said Rajaram.

In the wake of rapid industrialization and mechanization, the demand for power has increased manifold. In order to address this situation we need such non-polluting and sustainable sources of power. How else could we harness forms of sustainable energy? What needs to be done to increase the accessibility of power in a sustainable manner? We will adsress these question at the upcoming Design Public Conclave, wherein the panelists will explore the ways in which design and innovation can solve these outstanding challenges.

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