Renewable Energy Sources
Renewable energy sources play a vital role in sustainable engineering practices. Solar power, hydro power, wind energy, tidal energy, geothermal energy, and biogas are examples of renewable resources that can be replenished naturally. Solar energy is harnessed from the sun and utilized for various purposes such as solar cookers, solar water heaters, and solar electricity generators. Hydro power, generated from falling water, is converted into electrical energy through water turbines. Embracing renewable resources is crucial for a greener future.
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Program CIVIL ENGINEERING Program Code CE Course- ENVIRONMENTAL STUDIES Course Code 22447 08/07/2020 MSBTEs e-content 08/07/2020 MSBTE LEAD MSBTE LEAD- -STUDY AT YOUR DOORSTEP STUDY AT YOUR DOORSTEP
Unit II: Energy Resources Topic: Types Topic: Types of Natural of Natural Resources Resources CO 2: Select alternative energy resources for Engineering Practices UO 2b: Describe Renewable, Nonrenewable and Cyclic resources. 08/07/2020 08/07/2020 Written by
What we will learn today? What we will learn today? Concept Map Concept Map Learning Objective/ Learning Objective/ Key takeaways Information about various Renewable, Nonrenewable & Cyclic Resources Key takeaways: : Resources Resources Renewable Renewable Resources Resources Contents: Contents: 2.2 1 Renewable Resources 2 Nonrenewable Resources 3 Cyclic Resources 2.2 Non Non- - renewable renewable Resources Resources Cyclic Cyclic Resources Resources Page 3 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
Renewable Renewable Resources Resources Resources that can be replenished naturally in the course of time are called Renewable Resources. These energy sources are continuously replenished at a constant rate. Examples of Renewable Resources 1. Solar power 2. Hydro power 3. Wind energy 4. Tidal energy 5. Geothermal energy 6. Biogas Page 4 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
1. Solar 1. Solar power power The Sun is a powerful source of energy that provides the Earth with as much energy every hour as we collectively use in a year worldwide 2,000 millionth unit of solar energy does the earth intercept Solar energy is obtained from the sun by capturing the solar radiation and converting it into another form of energy for performing various activities Uses: Solar Cooker Solar water heater Solar electricity generator 1. 2. 3. Solar Paneled Station Page 5 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
2. Hydro 2. Hydro power power Hydro power is the energy derived from the falling water or running water. Falling water is channeled through water turbines which rotates a shaft and drives an electrical generator, converting the motion into electrical energy. Dams are constructed across the river is used for generating Hydro electricity Uses : H Hydropower ydropower plants immediately, they provide essential back-up power major electricity electricityoutages or disruptions. H Hydropower ydropower efforts produce a number of benefits, such as flood control, irrigation, and water supply. plants can generate power powerto the grid 1. 1. power during 2. 2. Page 6 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
3. Wind energy 3. Wind energy Winds are caused by the uneven heating of the atmosphere by the sun, the irregularities of the earth's surface, and rotation of the earth. Large wind farms consist of hundreds of individual wind turbines which are connected to the electric power transmission network. Uses: 1. The wind energy can be converted into mechanical electrical energies to generate electricity using wind mills. and Page 7 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
4. Tidal energy 4. Tidal energy The energy derived from the rise and fall of the sea tide is converted into electricity at Sea shore. Uses: 1. Tidal energy is used to rotate turbines and generate electricity. 2. Energy Storage Tidal Energy can also be used as a store of Energy. Page 8 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
5. Geothermal energy 5. Geothermal energy Geothermal energy is thermal energy generated and stored in the Earth. This is the heat of the interior of the earth present at volcanic regions, geysers or hot springs. Uses: It is utilized to generate electricity. It is used for heating building, raising plants in greenhouses, drying crops, heating water at fish farms, and several industrial processes, such as pasteurizing milk. 1. 2. Page 9 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
6. Biogas 6. Biogas Gobar Gas is a smokeless domestic fuel. It can be produced from cattle dung and other farm organic matters. The methane gas is generated from Gobar Gas Plant which having high Calorific value. Uses: 1. It is used for cooking purpose as well as for lighting the out door street lamp. Page 10 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
Nonrenewable Nonrenewable Resources Resources Resources that exist in limited supply and can not be replaced if they are used up are called Non- renewable Resources. These energy sources are Exhaustible Examples of Non-renewable Resources 1. Oil 2. Natural gas 3. Coal 4. Nuclear fuels Page 11 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
1. Oil 1. Oil Liquid petroleum -crude oil- is the only nonrenewable resource in fluid form. Industrial nations, with the U.S. far in the lead, are the biggest consumers of crude oil. Uses: For Getting Gasoline, heating oil, and diesel fuel. Manufacturers utilize oil as the base for Some products like plastics and industrial chemicals. 1. 2. Page 12 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
2. Natural gas 2. Natural gas Natural gas is a fossil fuel formed when layers of buried plants, gases, and animals are exposed to intense heat and pressure over thousands of years. Once drillers extract natural gas, processing plants remove the propane and butane to obtain liquefied petroleum gas (LPG) Uses: LPG is used as a household and industrial fuel LPG is also used as a fuel in Vehicles. 1. 2. Page 13 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
3. Coal 3. Coal Coal is the product of millions of years of pressure on original plants organic matter buried underground. It is a combustible black or brownish-black sedimentary rock. Uses: At the power plant, coal is commonly burned in a boiler to produce steam. The steam is run through a turbine to generate electricity. It is also used for metallurgical, industrial and domestic purposes. 1. 2. Page 14 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
4. Nuclear fuels 4. Nuclear fuels Nuclear power, or nuclear energy, is the use of exothermic nuclear processes, to generate useful heat and electricity. The term includes nuclear fission, nuclear decay and nuclear fusion. Uses: Nuclear fuel is used in nuclear power stations to produce heat to power turbines for electricity generation. Page 15 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
Cyclic Resources Cyclic Resources The resources which can be used again and again after passing through some processes are known as cyclic resources. . For example, water used in industry and domestic ways can be cleaned and used again for similar or other purpose. Such resources are given the name of Cyclic Resources. Page 16 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
Refferences Refferences: : Prof. Erach Bharucha, 2004. Textbook for Environmental Studies. University Grants Commission, New Delhi, India. Dr. Y. K. Singh, 2006. Environmental Science. NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS, New Delhi, India. Dr. J. P. Sharma, 2009. Environmental Studies, 2nd Edition, Laxmi publications, New Delhi, India. M.P. Singh, 2005, Environment and Natural Resources Hardcover, Satish Serial Publishing House, Delhi India. R. Rajgopalan, 2011. Environmental Studies: From crisis to cure, Oxford University Press, New Delhi, India. 1. 2. 3. 4. 5. Page 17 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
Types of Natural Resources Types of Natural Resources Renewable Resources NonrenewableResources Cyclic Resources Once you understand the importance of natural resources, you will understand the need of its conservation The knowledge of Natural resources is very essential to understand the its applications, Global need, and future demands Page 18 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
Summary Summary We have studied We have studied : : Renewable Resources NonrenewableResources Cyclic Resources Page 19 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
Section divider over two lines or three lines Now let s have a Quiz Now let s have a Quiz..... ..... Page 20 Maharashtra State Board of Technical Education Maharashtra State Board of Technical Education 12 March 2025
