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14 articles for “spent fuel”
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Criticality Verification for Open Pool storage of MTR Spent fuel Elements using MCNP5 Code
Abstract: Abstract:This study aims to verifying the nuclear criticality criteria in spent fuel repository. The repository is an open pool type that is used temporary to store the spent fuel elements removed from the core of 22 MW power of open pool research reactor. The repository could receive up to 800 of spent fuel elements of material testing reactor (MTR) type. Arrangement configuration of spent fuel elements in the repository must …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 26–30 Read article
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Interim Storage of Spent Nuclear Fuel: An Assessment of Technologies and Challenges
Abstract: Spent fuel discharged from nuclear reactors must necessarily be handled further, whether or not a closed fuel cycle is adopted by a nation. Thus every nuclear facility must have provisions of spent fuel storage to cool it sufficiently and to allow its radioactivity to decrease substantially before reprocessing or before its ultimate disposal. With increasing importance of nuclear power in the days to come, it will become necessary to handle …
Published in Journal of Nuclear Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 1–11 Read article
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Criticality Risk Assessment during Transportation and Storage of MTR Spent Fuel Elements
Abstract: Abstract This study aims to evaluate the criticality condition during transporting the spent fuel elements from the temporary storage to the permanent storage by using a Latin American cask. The cask was developed to transport the material testing reactor (MTR) fuel element type. MCNP5 code was used to calculate the criticality, expressed in terms of the neutron multiplication factor (k-effective), for normal and accidental situations using 21 fresh fuel elements. …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 1–6 Read article
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Role of Machine Learning Principles for Efficient Nuclear Fuel Management and Design
Abstract: The introduction of machine learning (ML) and evolutionary computation methods in addressing complex nuclear fuel management challenges has brought a significant positive change in the domain of nuclear fuel management. Key applications include fuel assembly design optimization, core loading pattern determination, burnup calculation acceleration, fuel performance prediction, and spent fuel characterization. The analysis reveals significant improvements in computational efficiency, prediction accuracy, and optimization capabilities when ML techniques are properly integrated …
Published in Journal of Nuclear Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 22–33 Read article
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Design Boiling Water Reactor Core Model Using MCNPX for Studying the Burnable Poisons and the Axial Enrichment Fuel Effect on the Neutronic Characteristics
Abstract: The incorporation of gadolinium directly into nuclear fuel is important for improving the reactor behavior and satisfying the safety criteria during the core lifetime. MCNPX (Monte Carlo N–Particle code extended) has been used for designing Advanced Boiling Water Reactor model. MCNPX code based on Monte Carlo method, is used to design a three-dimensional model for a BWR fuel assembly in a typical operating temperature and pressure conditions. This model has …
Published in Journal of Nuclear Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 21–35 Read article
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Nuclear Material Accounting and Control of Non-Proliferation in Ghana
Abstract: The proliferation of nuclear weapons is a threat that also urges cooperation of safeguards at all levels. Safeguards is not restricted only to verify the declared nuclear materials but also to give transparent and confidential information about the nuclear fuel cycle and related activities to confirm the absence of undeclared activities related to the nuclear fuel cycle in States. In view of this only strong SSAC with enhanced capabilities, activities …
Published in Journal of Nuclear Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 1–7 Read article
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Regulatory Approach for Safe Long-term Storage –Human Intrusion Scenario
Abstract: Storage is a necessary step in the management of radioactive waste. In recent years, storage step is extended; serious consideration has been given, in some countries to the use of storage as a long-term management option. This option, in particular is considered for spent fuels, high-level, and long-lived wastes. Reactor production of Mo-99 generated high and lived radioactive wastes. These wastes require complex and expensive facilities for extensive handling, separation, …
Published in Journal of Nuclear Engineering & Technology · Vol. 1, Issue 2-3, 2011 · pp. 25–36 Read article
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Volumetric Properties of PEG-400 in FS-13 Diluent for 293.15 K to 343.15 K at 0.1 MPa
Abstract: PEG-400 in FS-13 solvent was proposed for strontium extraction from spent fuel solution in back end of nuclear fuel cycles. Densities and viscosities of solutions of PEG-400 and FS-13 were not available in literature. Densities and viscosities of binary mixture of extractant PEG-400 in FS-13 diluent was measured from 293.15 to 323.15 K. The excess molar volume (VE) and excess Gibb’s free energy of activation (DGE) was evaluated from density …
Published in Journal of Nuclear Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 1–5 Read article
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SCIENTISTS REINVENT LOW ENERGY NUCLEAR REACTION (LENR)/COLD FUSION
Abstract: Two of the researchers of The University of Utah, USA in 1989 named Dr. Martin Fleishmann and Stanley Pons declared that they had discovered a sustained nuclear fusion reaction at room temperature during electrolysis experiment that could solve the problem of energy requirement on this planet. The cold fusion reaction, also called low energy nuclear reaction (LENR) takes place at room temperature, unlike conventional fusion reaction where temperature required is …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 3, 2024 Read article
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Petroleum Geothermal energy and process of mines extract
Abstract: Mining consumes a lot of energy, and because so much money is spent on fuel and energy transportation, energy costs are particularly expensive for remote mines that are off the grid. The necessity to switch to greener power sources to lessen its environmental impact is becoming increasingly clear to the mining industry as well. Geothermal energy is a crucial, albeit frequently underutilized, energy source for the mining sector as it …
Published in Journal of Petroleum Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 35–40 Read article
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A Review On Fluent Software Simulation Of Thermo-Electrical & Mechanical Engines
Abstract: Power plays an essential role in our current situation. Frequent additional research is conducted to employ the terminal illness. Massive amounts of nuclear power are wasted in our power plant and automobiles, changing global temperatures in the process. Electro-Mechanical devices are used to improve this cycle and for energy use. Electro-mechanical devices harness the nuclear energy from spent nuclear fuel and transform it into electrical energy that is then used …
Published in Trends in Machine design · Vol. 10, Issue 2, 2023 · pp. 48–55 Read article
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PVT Properties of Alternate PUREX diluent 4,4-Dipropyl Heptane
Abstract: 4,4-Dipropyl Heptane (Hydrogenated propylene tetramer) is an alternate diluent for PUREX process, employed for reprocessing of spent nuclear fuel. Its PVT properties are not available in literature. With group contribution method, PVT properties of 4,4-dipropyl heptane were estimated and reported in this work. A corresponding- states based equation as well as Wagner constants were also reported in the range of 273.15K to critical temperature. Keywords: PVT properties, 4, 4-dipropyl heptane, …
Published in Journal of Nuclear Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 20–23 Read article
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Experimental Investigation on the Production and Usage of UCVO and WSLO as an Alternative Fuels to Diesel Engines
Abstract: Recently, black/biodiesels are gaining wider popularity as they can be made from renewable resources and wastages, thus, providing an extra environmental values. Indeed, reuse of the waste spent lubrication oil (WSLO) and used vegetable cooking oils (UVCO) has attracted researchers as the wastes generated are on a massive level everywhere and are posing an environmental hazard in handling serious problems of waste management. The transesterification process and centrifuge operations are …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 2, 2016 · pp. 34–44 Read article
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Exploring Sustainable Fuel Production from Waste: A Feasibility Study in Zimbabwe
Abstract: Some organisms are in danger of going extinct, and environmental pollution from waste plastics, tires, and used lubricating oils has significantly contributed to the decline of biodiversity. Tires, plastics, and spent oil all contribute significantly to environmental deterioration, and this issue has been linked to improper treatment and disposal of these materials. Only 15% of the 200 auto technicians surveyed for this study acknowledged that they reuse spent oil, 5% …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 3, Issue 1, 2025 · pp. 30–38 Read article