Tidal energy and its advantages and disadvantages, Biology

Tidal energy

The periodic rise and fall of water level of sea is called tides which are caused by gravitational effect of moon combined with the rotation of the earth. This variation in the sea level is utilized for the generation of electrical power is known as tidal energy.

The tidal can be harnessed by constructing a tidal barrage. During high tide the sea-water flows into reservoir of the barrage and which turns the turbine to produce electricity. Under low tide water from the reservoir flows back into sea and turns the turbine again to generate electricity.

Advantages:

1.        It is renewable source which uses inexpensive sources (water) to generate electricity.

2.       It is reliable source of energy.

3.        It does not produce pollution.

4.       It is highly efficient. (80%).

 

Disadvantages:

1.        It is expensive to construct tidal barrages.

2.      Power is generated such places, where there is little demand for electricity (coastal areas).

3.      Barrages may affect aquatic ecosystem.

4.      Transportation of electricity is problematic.

Posted Date: 7/11/2012 8:09:24 AM | Location : United States







Related Discussions:- Tidal energy and its advantages and disadvantages, Assignment Help, Ask Question on Tidal energy and its advantages and disadvantages, Get Answer, Expert's Help, Tidal energy and its advantages and disadvantages Discussions

Write discussion on Tidal energy and its advantages and disadvantages
Your posts are moderated
Related Questions
Epidemiology The organism does not appear to be very host or tissue specific and can infect naturally a large number of avian and mammalian species. Chlamydiosis has been reco

Damage to the amygdalas may make a pearson fearless. Gleb Shumyatsky's lab reported in an article in Cell (2005) that knock out mice [mice lacking a specific gene] lacking the gene

Q. Alcohol consumption by diabetes patient? Intake of alcohol should be limited. It is high in calories, lacks essential nutrients and may therefore promote ketoacidosis, hyper

Diagrams of organisms in phylum porifera

Explain biological aspects of nutrition Traditionally nutritionists have focused largely (or almost fully) on . However, we have realized over the years, that physiological bio

Why can the consumption of molecular oxygen indicate the metabolic rate of aerobic organisms? Molecular oxygen (O2) consumption has direct relation to the cell metabolic rate i

1) What are some characteristics that define the lifestyle of a parasitic nematode? 2) What are beneficial nematodes? Discuss their significance

This problem refers to the MN and ABO loci mentioned in class. It also refers to the Rh locus, which is responsible for the positive/negative part of the blood type. The Rh+ allele

What is the typical feature of the epithelia? How different is it from the connective tissue? The typical feature of the epithelium is the absence or almost absence of space a

Kingdom Animalia Multicellular, heterotrophic, eukaryotes, tissues are specialised and most of them have organs, mostly highly responsive. Only gametes are haploid, fertilisation