Learn for free, pay a small fee for exam and get a certificate. Pdf the spectrum of solar energy is quite wide and its intensity varies according to the timing of the day and geographic location. These include solar energy, wind energy, geothermal energy, hydropower, and biomass. Sundar manoharan,department of chemistry and biochemistry,iit kanpur. Solar thermal energy an overview sciencedirect topics. Ok, so welcome to you all in this new course on solar photovoltaics in which we will be. Energy and its sources introduction to solar energy introduction of. Of course solar energy can be put to use to heat or light up a room by simply having well placed windows and skylights. There are a number of resources, projects, and products available online for families interested in going solar.
Solar energy is most commonly collected by using solar cells. Solar water heating for a pool or hot tub is excluded. You will also discover how to tackle potential loss mechanisms in solar cells. Fundamentals of solar energy engineering naveed ur rehman.
These barriers include complicated procedures for permitting and connecting systems to the grid, financing challenges, a lack of awareness of solar energy solutions among key decision makers, and a lack of trained installation contractors. The institute of energy conversion is established at the university of delaware to perform research and development on thinfilm photovoltaic pv and solar thermal systems, becoming the worlds first laboratory dedicated to pv. Lecture 15 solar thermal energy conversion youtube. Nptel mechanical engineering solar energy technology. This chapter only discusses the use of solar energy for the direct production of electricity photovoltaic solar energy. In this course you will learn how photovoltaic cells convert solar energy into useable electricity. Meeting global energy demand in a sustainable fashion will require not only increased. Promoting solar energy 3 building solar energy plants in public spaces a large pergola structure with solar panels, which operates as a photovoltaic energy plant was installed in 2004 at the universal forum of cultures, an exhibition cosponsored by the catalonia regional government, the spanish federal. The conversion from solar energy to electrical energy is done by using solar pv. An introduction to solar energy design fundamentals course no. Western governors likely to create southwest solar task. The key factor in getting more efficient and cheaper solar energy panels is the advance in the development of photovoltaic cells.
Energy as this book is on solar energy, it is good to start the discussion with some general thoughts on energy. Banerjee,department of electrical engineering, iit kharagpur. Solar energy is to be a major primary energy source. There is a fact, or if you wish, a law, governing all natural phenomena that are known to date. Renewable energy is a term used to refer to forms of energy that are naturally obtained from the environment and from sources that can be replenished naturally. The challenge of solar energy utilization is to concentrate it. The water heating system must be certified by the solar rating certification corporation or other comparable 2 government endorsed entity. Oct 24, 2008 lecture series on energy resources and technology by prof.
In other words, if one square meter were available for conversion of solar energy to electricity at 100% efficiency, the energy produced would be sufficient for just two or three light bulbs. Solar energy a clean renewable resource with zero emission, has got tremendous potential of energy which can be harnessed using a variety of devices. This form of energy has become very popular and is widely used for industrial and household applications. Solar thermal energy has been used for thousands of years in openings and the windows of buildings as socalled passive solar energy see figure 2.
Find materials for this course in the pages linked along the left. At least half of the water heating must be solar energy. Solar energy is available in abundance and free of cost all across the globe. Lecture series on energy resources and technology by prof. Because of the way the technology works, solar panels are just as effectiveand usually more effective in cooler temperatures as in hot ones. The revision of this text hallmark text on solar energy has been done keeping in mind the current scenario in solar energy requirements. We will begin with a quote from the feynman lectures on physics. The organisation of this book is roughly linked to the three lectures on photovoltaics pv, that are given at. With recent developments, solar energy systems are easily available for industrial and domestic use with the added advantage of minimum maintenance. The presidents solar america initiative sai was launched in january 2006 as part of the administrations advanced energy initiative. Most solar panels used today have an average life expectancy of between 2040 years. Different solar incident angles in summer and winter are used in the design and orientation of buildings to get maximum solar gain in winter and minimum solar gain in summer.
Mechanical engineering solar energy technology nptel. Solar power isnt worth it because it wont work in locations that are cloudy or cold. The use of solar power for home, office, barn, etc. The total amount of solar energy incident on earth is vastly in excess of the worlds energy requirements and could satisfy all future energy needs if suitably harnessed. The solar energy is the energy obtained by capturing heat and light from the sun. An establishment of solar energy research enclave will catalyze the accomplishing of this goal of national importance, and this is the genesis of this proposal for solar energy research enclave sere. Renewable energy, bioenergy, photovoltaics, solar energy, geothermal energy, hydropower, wind energy, climate change, clean energy technologies, learning curve, m arket transformation program, energy forecasts this report is to be published in the encyclopedia of life support systems eolss forerunner. Nptel provides elearning through online web and video courses various streams. As a result the book is updated with the energy scenario and the various applications of solar energy being used today.
Solar energy, radiation from the sun capable of producing heat, causing chemical reactions, or generating electricity. Solar energy basics thermal and pv kidwind project solar energy a bright idea. Click on any video lecture link to view and download that video. Soteris kalogirou, a renowned expert with over thirty years of experience in renewable energy systems and applications, includes revised and updated chapters on all areas of solar energy engineering from the fundamentals to the highest level of current research. Solar energy is an engaging collection of important information and insights that fills a valuable space between the growing collection of energy themed textbooks and the more specialized treatises on renewable energy, solar engineering, and pv devices. To use solar energy to power electrical appliances solar cells are used. Department of energy doe solar energy technologies program setp, with the national renewable energy laboratory nrel providing analytical and technical support.
Energy resources and technology lecture series on energy resources and technology by prof. It is reported that earth receives energy from the sun, which is 10,000 times more than the total energy demand of the planet 4. Scientists have used solar energy to power spaceships since 1958. It has been briefly shown how those requirements are satisfied by the approach chosen. Pdf environmental impacts from the solar energy systems. Satyamurty from iit kharagpur made available by nptel elearning initiative. Solar energy technologies offer a clean, renewable, and domestic energy source, and are essential components of a sustainable energy future. Nptel, online courses and certification, learn for free. Famous quotes about solar energy id put my money on the sun and solar energy, what a source of power. Solar energy 315 diluted form, at a rate of about 220 wm2 see figure 31. In one hour the earth receives more energy from the sun than the world consume in one year. These lectures are meant for the curricular course, solar energy. About one third of the primary energy is used to generate electric power.
Lecture 1 energy and dependence on external sources and sun, physical descriptions and reactions lecture 2 sun earth geometry lecture 3. There is no known exception to this lawit is exact so far as we know. A number of southwestern states have high solar potential and some have renewable energy portfolio standards particularly, az, ca, nm, and nv and the potential to gain from development of their solar energy resources. Oct 29, 2008 lecture series on energy resources and technology by prof. Passive solar techniques include orienting a building to the sun, selecting materials with favorable thermal mass or lightdispersing properties, and designing spaces that naturally circulate air. An introduction to solar energy design fundamentals. Solar energy, with a focus on photovoltaics, which is the technology that allows to convert energy transported in light directly into electrical energy. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Solar photovoltaics fundamentals, technology and applications. We can also use solar energy to dry our clothes in the sun. Energy resources and technology nptel online videos. As energy costs rise, the value of any solar energy also increases.
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