Energy Essay

13916 Words Aug 12th, 2014 56 Pages
Department of Chemical Engineering National Institute of Technology Karnataka Surathkal-Karnataka.

Assistant Professor

Fundamentals of energy and its impact on society and the environment.

What is energy?
• Energy :defined as the ability or capacity to do work. Energy is measured in BTU (British Thermal Unit) or Joule • According to Max Planck, energy is defined as the ability of a system to cause external action. • The term energy carrier – thus a carrier of the above defined energy – is a substance that could be used to produce useful energy, either directly or by one or several conversion processes • In this respect the following forms of energy are distinguished: mechanical energy (i.e.
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China and India together account for 45% of the increase in global primary energy demand in this scenario.
- World Energy Outlook ( )

Indian Energy Sector
Some facts…

• India - one of the fastest growing economies in the world. It is poised to grow at around 7 percent on moderate term. • India’s Energy Consumption is 12.6 million btu. • India energy intensity is higher compared to Japan, USA and Asia as a whole by 3.7, 1.55 and 1.47 times respectively (energy consumption compared to GDP). This indicates inefficient use of energy but also substantial scope of energy savings. • Long term energy plan for India therefore should aim at – a) Projecting the energy demand b) Projecting the energy mix c) Exploring the possibilities for alternative sources and d) Suggesting measures for energy efficient uses

Peak Production of Petroleum in US


Projected World Peak Production of Petroleum



1999 Regional Shares of Crude Oil Production (3445 Mt)



World Total Primary Energy Supply in 1998
(9491 Mtoe)

**Other includes geothermal, solar, wind, heat, etc.

World Energy Consumption


World Energy Consumption



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