Browsing by Author "Şahin, Sümer"

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Editor’s Notes on Icenes’2013, 16th International Conference on Emerging Nuclear Energy Systems
(Progress in Nuclear Energy, 2015) Şahin, Sümer; Department of Mechanical Engineering; 15. Graduate School of Natural and Applied Sciences; 01. Atılım University
The 16th ICENES 2013 was held in Madrid (Spain) on May 26e 30, 2013, by Universidad Politécnica of Madrid (UPM), according to a scientific tradition of 35 years, started in 1978 as an autono mous, self-organized event, when a group of independent nuclear scientists met in Graz, Austria in order to find new routes for improving the use of the immense energy of the atomic nucleus. Throughout the years, ICENES became a very important series of well established conferences and acted as an open forum for inno vation and challenges in the field as long as they were based on sound deliberations and were addressing the key issue of providing energy for humankind.
Editor’s Report on Nurer2012, the Iii. International Conference on Nuclear and Renewable Energy Resources, _ Istanbul, Türkiye (20–23rd May 2012)
(Energy Conversion and Management, 2012) Şahin, Sümer; Department of Mechanical Engineering; 15. Graduate School of Natural and Applied Sciences; 01. Atılım University
The Journal of Energy Conversion and Management covers a wide range of topics related to energy such as the energy efficiency and management; heat pipes; thermo-siphons and capillary pumped loops; thermal management of spacecraft; space and terrestrial power systems; hydrogen production and storage; renewable energy; nuclear power; conventional power; single and combined cycles; miniaturized energy conversion and power systems; fuel cells and advanced batteries; biomass, and water management and desalination
‘‘editor’s Report’’, Irec 2011, the International Renewable Energy Congress, Hammamet, Tunisia
(Energy Conversion and Management, 2011) Şahin, Sümer; Department of Mechanical Engineering; 15. Graduate School of Natural and Applied Sciences; 01. Atılım University
The Journal of Energy Conversion and Management covers a wide range of topics related to energy such as the energy efficiency and management; heat pipes; thermo-siphons and capillary pumped loops; thermal management of spacecraft; space and ter restrial power systems; hydrogen production and storage; renew able energy; nuclear power; single and combined cycles; miniaturized energy conversion and power systems; fuel cells and advanced batteries; and water management and desalination.
Editorial Notes on the 2012 International Youth Nuclear Congress (iync), Charlotte, North Carolina, Usa (5–11 August 2012)
(Energy Conversion and Management, 2012) Şahin, Sümer; Department of Mechanical Engineering; 15. Graduate School of Natural and Applied Sciences; 01. Atılım University
Primary purpose of the International Youth Nuclear Congress (IYNC) series is to transfer knowledge from the current generation of leading scientists and engineers to the next generation. Scien tific, political, public and corporate views regarding the develop ment of different nuclear issues are presented to provide comprehensive discussions on all sides of the subject. With this aim, The 2012 International Youth Nuclear Congress has been held in Charlotte, North Carolina. IYNC2012 was focused on the use of nuclear energy more than ever after the accident at Fukushima power plant and also in the framework of the nuclear renaissance in many developing countries and world powers as well. IYNC2012 offered the opportunity to share knowledge, experience, best prac tices and information about nuclear energy between generations and also between peers in the ongoing mission to promote the peaceful use of nuclear power.
Report on the Special Issue Set2012, the 10th International Conference on Sustainable Energy Technologies, _ Istanbul, Türkiye (4–7th September 2011)
(Energy Conversion and Management, 2011) Şahin, Sümer; Department of Mechanical Engineering; 15. Graduate School of Natural and Applied Sciences; 01. Atılım University
The Journal of Energy Conversion and Management covers a wide range of topics related to energy such as the energy efficiency and management; heat pipes; thermo-siphons and capillary pumped loops; thermal management of spacecraft; space and terrestrial power systems; hydrogen production and storage; renewable energy; nuclear power; conventional power; single and combined cycles; miniaturized energy conversion and power systems; fuel cells and advanced batteries; biomass, and water management and desalination.
Utilization of Reactor Grade Plutonium as Energy Multiplier in the LIFE Engine
(Fusion Science and Technology, 2017) Şahin, Sümer; Şahin, Hacı Mehmet; Acır, Adem; Department of Mechanical Engineering; 15. Graduate School of Natural and Applied Sciences; 01. Atılım University
The accumulated reactor grade (RG)-plutonium as nuclear waste of conventional reactors is estimated to exceed 1700 tonnes. Laser Inertial Confinement Fusion Fission Energy (LIFE) engine is considered to incinerate RG-plutonium in stockpiles. Calculations have been conducted for a constant fusion driver power of 500 MWth in S8-P3 approximation using 238-neutron groups. RG plutonium out of the nuclear waste of LWRs is used in form of fissile carbide fuel in TRISO particles with volume fractions of 2, 3, 4, 5 and 6 %, homogenously dispersed in the Flibe coolant. Respective tritium breeding ratio (TBR) values per incident fusion neutron are calculated as TBR = 1.35, 1.52, 1.73, 2.02 and 2.47 at start-up. With the burn up of fissionable RG-Pu isotopes in the coolant, TBR decreases gradually. Similarly, blanket energy multiplications are calculated as M0 = 3.8, 5.5, 7.7, 10.8 and 15.4 at start-up, respectively. Calculations have indicated prospects of achievability of very high burn up values (> 400 000 MD.D/MT).