because i wnts to give public this ppt on 3d presentation on renewable source of energy by ss..

2. Renewable resources are those
resources which can be reused or
renewed after their use by physical,
chemical or mechanical processes. e.g.
wind energy, solar energy ,geothermal
energy, etc.

4. Solar energy is radiant light and heat from the sun
harnessed using a range of ever-evolving
technologies such as; solar heating,
solar photovoltaic, solar thermal energy,
solar architecture and artificial photosynthesis.

5. 1- Water heating:
Solar hot water systems use sunlight to heat water. In
low geographical latitudes (below 40 degrees) from 60 to
70% of the domestic hot water use with temperatures up
to 60 °C can be provided by solar heating systems.
2- Heating, cooling and ventilation:
the energy used in commercial buildings and nearly 50%
(10.1 EJ) of the energy used in residential buildings.
3-Water treatment:
Solar distillation can be used to make saline or
brackish water potable. Solar water disinfection (SODIS)
involves exposing water-filled plastic
polyethylene terephthalate (PET) bottles to sunlight for
several hours

6. Wind power is extracted from wind using
wind turbines or sails to produce mechanical or
electrical power. Windmills are used for their
mechanical power, wind pumps for water pumping,
and sails to propel ships .

7. • Wind power is extracted from air flow using wind turbines
or sails to produce mechanical or electrical power. Windmills
are used for their mechanical power, wind pumps for
water pumping, and sails to propel ships.
• Wind energy is used to produce electricity
In large industries, in villages, etc.

8. • Geothermal energy is thermal energy generated and
stored in the Earth. Thermal energy is the energy that
determines the temperature of matter. The geothermal
energy of the Earth's crust originates from the original
formation of the planet (20%) and from radioactive
decay of materials (80%).[
• The adjective geothermal originates from the Greek
roots γη (ge), meaning earth, and θερμος (thermos),
meaning hot.

9. 1- Production facility — usually a well —
to bring the hot water to the surface.
2-Mechanical system — piping, heat
exchanger, controls — to deliver the heat
to the space or process.
3-Disposal system — injection well or
storage pond — to receive the cooled
geothermal fluid.

10. Numbers = proportion of current U.S. energy
needs that could be supplied for an
indefinite period.
Tidal energy 0.1
Organic Waste 0.1
Photosynthesis 0.23
Hydropower 0.14
Wind Power 5
Solar radiation 740