Question

Describe 2 ways of ocean thermal energy harnession

Answer 1

Explanation:

Ocean thermal energy conversion (OTEC)

♥ Energy from the sun heats the surface water of the ocean. Ocean Thermal Energy Conversion (OTEC) systems use a temperature difference to power a turbine to produce electricity. Warm surface water is pumped through an evaporator containing a working fluid.

♥ Ocean Energy Research Center (OERC) is an essential tool for the development and testing of candidate OTEC heat exchangers. Heat Exchangers will be the single most expensive component in a commercial offshore OTEC plant and thus optimizing their cost, longevity and performance are critical for OTEC’s economic success. The operating conditions of OTEC heat exchangers are unique, and an optimal design has yet to be developed.

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Answer 2

Answer:

The two different ways of harnessing energy from ocean are:

1. Tidal energy: Due to the gravitational pull of Moon on Earth results in rise in the level of the ocean which causes high and low tides. The difference in the ocean-level results in tidal energy. This energy can be harnessed by construction of dams across the Sea.

2. Ocean Thermal Energy: The ocean thermal energy arises due to heating of water at the surface of sea or ocean by the radiations of Sun which results in heating of upper surface of ocean but the lower surface remains cold. This temperature difference is used to obtain ocean thermal energy.