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Dr. Shiva Gorjian

Biosystems Engineering Department, Faculty of Agriculture, Tarbiat Modares University (TMU), Iran


Talk Title
Point-focus Concentrating Solar Power Generation: Challenges and Prospects

Talk Abstract

Current trend of global energy supply is environmentally and socially unsustainable. Without definitive actions, energy-related greenhouse gas (GHG) emissions would cause significant climate degradation. Therefore, a considerable investment will be required to develop decarbonized technologies worldwide. Solar thermal electricity (STE) generated by concentrating solar power (CSP) plants is one of those technologies. Concentrating solar thermal technology has been accepted as one of the most convenient, efficient and promising ways of power generation. CSP technologies generate electricity by concentrating beam solar radiation onto a receiver to heat up a heat transfer fluid and produce steam. Electricity can then be produced by an electric generator driven by a steam turbine with an efficiency which is equal to the Carnot cycle. Till now, several concentrating solar power (CSP) generation systems have been studied and developed with the most well-known technologies of the parabolic trough, Fresnel reflector, solar power tower and parabolic dish. Point-focus concentrating (PFC) solar systems use a parabolic dish with a reflective surface that concentrate solar radiation onto a receiver located on the focal point of the concentrator by using a two-axis sun tracker to achieve desired temperatures. The PFC systems can reach higher temperatures and consequently higher conversion efficiencies that lead to higher power densities rather than the other CSP technologies. Also, most parts of the PFC solar systems can be made by local manufacturers that encourage developers and financiers to invest in this technology and reduce their capital costs. Up to now, the PFC systems have been modified and improved continuously since the pioneering works. Currently, the best practice of PFC systems has light-weight structure, balanced design, high-quality and low-cost reflective surfaces. Because of these, the promise of PFC systems has long been recognized. As a whole, in order to provide conditions for deploying the PFC technology rapidly, more attention should be given to this technology by establishing an entity to prepare direct normal irradiance (DNI) measurements, identify the most suitable sites for PFC power plants and develop feasibility studies. The body should also be capable of allocating land for projects, providing technical support and attract investors and funds. Therefore, countries must establish stable policy frameworks for investments in CSP plants to take place. Strengthen research, development and demonstration (RD&D) efforts are needed to further reduce the costs. In this case, international collaboration and exchanges of best practices would also be helpful.

Short Biography

Shiva Gorjian is the assistant professor of Tarbiat Modares University (TMU), Tehran, Iran. She has completed her Ph.D. in Biosystems Engineering from Tarbiat Modares University in 2014 and postdoctoral studies from Renewable Energy Research Institute (RERI) at TMU. Her professional skills are solar thermal energy, solar photovoltaics (PV), concentrated solar power, renewable energy powered desalination technologies, hybrid power systems, exergy analysis and modeling of the energy systems. She is the member of Iran’s “Renewable Energy Technology Development Council”, Vice-Presidency for Science and Technology. She has published more than 14 papers in the reputed journals and has been serving as an editorial board member of the journal of“Advances in Agriculture and Environmental Science”. Se is also member of the “Biosystems Engineering Association” of Iran, founding staff member of the “National Renewable Energies Research Institute” (TMU) and specialis referee of the “Iran National Science Foundation (INSF)”. Her honors and awards are the second place winner in the first “Energy Ideas Award” festival, 2011, Semnan University, Iran, first ranked PhD graduate student in 2013 and first ranked MSc graduate student in 2009.

Talk Keywords
Solar energy, Beam solar radiation, Thermal power plants, Point-focus concentrators.
Target Audience
Students, Graduates, Professors, Investors, Policy Makers, Industrial Consultants, Private Companies
Speaker-intro video

The International Conference on Innovative Applied Energy (IAPE’18)