Solar pond technology seminar report, ppt, pdf for. Solar ponds can only be economically constructed if there is an abundance of inexpensive salt, flat land, and easy access to water. The solar pond sp is used to store heat from the incident solar radiation. It is also the first ever saltgradient solar pond in the u. Solar energy is the most abundant stream of energy. Also, a liner may be necessary to contain the salt brine, salinitygradient solar ponds cannot be built above moving ground water colse to the surface, they have a lowconversion effiiciencyapproximately 15 to 20 percent solar to thermal energy efficiency, they are temperature limited, temperatures follow an annual cycle based on solar input. Desalination coupled with salinitygradient solar ponds. International journal of engineering research and general.
May 12, 2011 a solar pond can be used to generate electricity by driving a thermoelectric device or an organic rankine cycle engine a turbine powered by evaporating an organic fluid with great promise in those areas where there is sufficient insolation and terrain, and soil conditions allow for construction and operation of large area solar ponds necessary to generate meaningful quantities of electrical. Explore solar pond technology with free download of seminar report and ppt in pdf and doc format. Also explore the seminar topics paper on solar pond technology with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year chemical engineering chem or ieee chemical btech, be, mtech students for the year 2015 2016. Why solar solar energy is being overlooked as a viable renewable energy source in estonia and the wider baltic region 50 year historical solar irradiation data from emhi clearly show that solar energy resources in the baltic are equal to eastern germany and poland the available solar energy resources provide significant. Solar water heating or solar hot water is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a fluid system to move the heat from the collector to its point of usage. We can combine 2 and 3 to obtain the temperature profile in the gradient zone. A basic solar training consists of general and technical aspects of solar energy. Solar water heater pdf free download seminar report. Motiani m, kumar a, kishore v v n, and late rao k s. A saltgradient solar pond is a body of water which contains a significant amount of dissolved salt. The solar ponds which are conventionally referred to as salt gradient solar ponds sgsp consists of three distinct zones, the upper convective zone ucz the thinnest and which has a low and nearly uniform salt concentration.
The layers of salt solutions increase in concentration and therefore density with depth. There are three types of nonconvective solar ponds. A solar pond is a large area solar collector that uses water a pond between one to four meters. This technology is distinguished from other thermal storage technologies e. Explore solar tree with free download of seminar report and ppt in pdf and doc format. Solar ponds article about solar ponds by the free dictionary. Solar roof ponds are unique solar heating and cooling systems developed by harold. It is available directly as solar isolation and indirectly as wind energy. One logs the 1 pond temperature, 2 pump outlet temperature, 3 absorber drain to tank temperature, and 4 solar intensity with an apogee pyranometer. Salinitygradient solar ponds are of interest as a means for collecting solar energy. A solar pond is a combination of solar collector and storage medium. This paper describes in detail, the experience solar ponds were constructed in bhavnagar, pongained during construction and operation of the dicherry, bangalore and other places. Non convective solar pond is an enclosed which can be used to collect and store the energy.
A volume of water in which convection is inhibited. The saltwater naturally forms a vertical salinity gradient also known as a halocline, in which lowsalinity water floats on top of highsalinity water. Unesco eolss sample chapters renewable energy systems and desalination vol. The other was a thermal diode solar pond based on use of. Dec 10, 2012 solar ponds they are large shallow bodies of water that are arranged so that the temperature gradient are reversed from the normal. The solar pond possesses a thermal storage capacity spanning the seasons. Asme 2014 12th international conference on nanochannels, microchannels. Saltgradient solar ponds have the distinct advantage of combining the collection and the storage of solar energy into one single operation. Solar pond technology has made tremendous progress in the last fifteen years.
An experimental salinity gradient solar pond was constructed to analyse the thermal storage capability. An example is preventing soil contamination from the brine in a solar pond. Solar pond, any large humanmade body of salt water that collects and stores solar energy, thereby providing a sustainable source of heat and power. Pdf this paper discusses the solar pond technology and how it is applied to desalination. In this project we use the solar energy for generation of. Solar ponds can be used for process heating, refrigeration, water desalination, production of magnesium chloride, bromine recovery from bittern, enhancement of salt yield in salt farms. The factors which influence the technical and economic viability of solar ponds. So there are actually two conclusions that we can weaken. Solar radiation is absorbed and stored in the water at the lower levels of the pond. Solar ponds combine solar energy collection with longterm storage and can. Download solar collector seminar reports, abstract, pdf, ppt.
Download seminar report for solar buildings, abstract, pdf. Solar ponds are largescale energy collectors with integral heat storage for supplying thermal energy. For constructing a non convective solar ponds an insulated and doubleglazed covered salt gradient solar pond having a surface area 1. Its potential is 178 billion mw, which is about 20,000 times the world. International progress in solar ponds, cuernavaca, mexico, mar. Design of a solar pond for solar energy storagerecovery. A sgsp is a pool of water about 1 5 m d eep, which contains dis solved salts to establish a stab le density. It is expected to select and develop the process, make material and energy balances, and simulates the process using suitable software. Sun sends out energy in the form of electromagnetic radiation.
Enreco pl built conversion units in the 1970s powered by hot water from the great artesian basin of up to 150kw one of these is still functional at birdsville. Conclusion solar ponds can be effectively used as replacements in industries that use fossil fuel to generate thermal energy. Download seminar report for solar buildings, abstract, pdf, ppt. Salts like magnesium chloride, sodium chloride or sodium nitrate are dissolved in the water, the concentration being densest at the bottom 20% to 30% and. A solar pond is a shallow body of water which acts as a solar collector with integral heat storage for supplying thermal energy. Salt is added to the water until the lower layers of water become completely saturated. They combine heat collection with longterm storage and can provide sufficient heat for the entire year. Solar pond science and technology, proceedings of the 2005 solar world conference, orlando, fl. Although research on the practical applications of solar ponds did not begin until the late 1940s, a natural lake particularly wellsuited for use as a solar pond was discovered in the transylvania region of eastern europe in the early 1900s. The bottom of the pond is generally lined with a durable plastic liner made from material such as black polythene and hypalon reinforced with nylon mesh. Australian solar ponds pl now disbanded built an experimental 0.
Pdf solar pond technology has made substantial progress in the last fifteen years. This method allows for effective control of nuisance algae while leaving solar ponds as one of the cleanest technologies providing energy for human use. Solar ponds they are large shallow bodies of water that are arranged so that the temperature gradient are reversed from the normal. The worlds record temperature for solar ponds has been registered as 109c at about 2 m depth in the nacl solar pond at the university of new mexico on july 5, 1980 bryant, 1980. The state of israel has been a pioneer in solar energy development and utilization. Solar ponds heat water by impeding this convection. The zebra layer maya braun israel adam lipecz hungary samuel nello deakin spain what is a solar pond. Two types of solar ponds have been investigated in israel. A solar pond can be used to generate electricity by driving a thermoelectric device or an organic rankine cycle engine a turbine powered by evaporating an organic fluid with great promise in those areas where there is sufficient insolation and terrain, and soil conditions allow for construction and operation of large area solar ponds necessary to generate meaningful quantities of electrical.
Sustainable membrane distillation coupled with solar pond. Comparison of thermal storage efficiency of solar pond. The boiling point of a saturated nacl solution at sea level is 108. Technical seminar solar pond solar energy convection. A solar pond is simply a pool of saltwater which collects and stores solar thermal energy. Below a certain depth, the solution has a uniformly high salt. Highsalinity water at the bottom of the pond does not mix readily with the lowsalinity water above it, so when the bottom layer of water is heated, convection occurs separately in the bottom and top. A onedimensional model is used to analyze three different modes of operation of the pond. Comparison of thermal storage efficiency of solar pond with. In the first two days of class, students will learn about common problems affecting mature solar installations along with troubleshooting and repair. Sunil kumar ch 6268 contents introduction description of solar ponds methods of maintaining layered structure working of solar ponds general construction features applications hindrances and remedies normal ponds normal ponds receive sunlight a part of which is reflected at the surface, a part is is absorbed and the remaining is transmitted to the bottom. Solar tree seminar report, ppt, pdf for ece students. A solar pond is a pool of saltwater which collects and stores solar thermal energy.
The second is used during draws, and logs the pipe coil inlet and outlet temperatures and the pond temperature on 1 second intervals during the water draw. Salts like magnesium chloride, sodium chloride or sodium nitrate are dissolved in the water, the concentration being densest at the bottom 20% to 30%. This study investigates the technical feasibility of solar pond power generation in the state of florida. Solar energy solar ponds renewable energy resources solar thermal power systems solar lakes large area solar collectors solar collectorstorage systems nomenclature effective angle of refraction at pond surface s salinity concentration gradient, kgma sx,t solar intensity at a point specified by x at time, t wm2 c specific heat of. Also explore the seminar topics paper on solar tree with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016. Solar pond technology has made substantial progress in the last fifteen years. Design of a solar pond for solar energy storagerecovery and. A solar pond is a mass of shallow water about 1 or 2 metres deep with a large collection.
Solar pond technology seminar report, ppt, pdf for chemical. Pdf solar pond and its application to desalination researchgate. The system may use electricity for pumping the fluid, and have a reservoir or tank for heat storage and. The first largescale efforts to utilize solar energy trapped in saltgradient solar ponds, by means of organic rankine cycle turbines and applications to solar desalination, were done by sobnat a subsidiary of ormat industries. Combining the above two equations the temperature profile in the gradient zone. Solar thermal energy ste is a form of energy and a technology for harnessing solar energy to. Solar power generation seminar reportpdf download it is available directly as solar isolation and indirectly as wind energy. Solar pond is arises to the surface and exchanges heat with atmo one of the inexpensive energy storage systems, sphere. Paritosh, bharat muni, debojyoti sen, 2015 design parameters of 10kw floating solar power plant, vol. Solar ponds can store solar heat more efficiently than a body of freshwater, because the salinity gradient prevents convection currents. Water desalination swd system by combining direct contact membrane. The system may use electricity for pumping the fluid, and have a reservoir or tank for heat storage and subsequent use.
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