Browsing Makale Koleksiyonu by Issue Date
Now showing items 1-20 of 203
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Experimental determination of pressure losses and critical velocities in transporting sand by water
(1996)There is not a reliable theoretical method of calculation regarding the solid material transport in pipes. Therefore, the systems which transport solid material by fluid have been designed by using experimental results. ... -
Investigation of neutronic potential of a moderated (D-T) fusion driven hybrid reactor fueled with thorium to breed fissile fuel for LWRs
(Elsevier, 2000)The potential of a moderated hybrid reactor fueled with ThC2 or ThF4 is investigated by a PF (plant factor) 75% under a first wall fusion neutron current load of 5 MW/m2. LWR (Light Water Reactor) fuel rods containing ThC2 ... -
Neutronic performance of proliferation hardened thorium fusion breeders
(Elsevier Science Sa, 2001)Production of denaturated fissile fuel in a thorium fusion breeder has been investigated by mixing the fertile fuel with natural-UO2 and LWR (light water reactors) spent nuclear fuel. Four different coolants (pressurized ... -
Numerical investigation of subcooled boiling in a vertical pipe using a bubble-induced turbulence model
(2002)A bubble-induced turbulence model is applied to subcooled boiling of water in a vertical pipe. The volume fractions, velocities, temperatures of water and steam and turbulence characteristics of the flow are estimated in ... -
Numerical analysis of hydrogen storage in metal-hydride beds
(2002)In this study, hydrogen absorption in a metal-hydride bed is numerically investigated. The mathematical model considers the heat and mass transfer and the chemical reaction that take place during the absorption. The hydride ... -
A three-dimensional mathematical model for absorption in a metal hydride bed
(2002)Heat and mass transfer, fluid flow and chemical reactions in a hydride bed are numerically investigated with a general purpose PHOENICS code. Hydride formation takes place faster near the cooled boundary walls and slower ... -
Fissile fuel breeding with peaceful nuclear explosives
(2003)Neutron physics analysis of a dual purpose modified PACER concept has been conducted. A protective liquid droplet jet zone of 2 m thickness is considered as coolant, energy carrier, and fusile and fissile breeder. Flibe ... -
Thermal non-linear stresses in an adhesively bonded and laser-spot welded single-lap joint during laser-metal interaction
(2003)In this study the transient thermal analysis of an adhesively bonded and laser-spot welded joint was carried out based on a thermal model developed for the laser-spot welding of multi-layered sheets using a pulsed Nd:YAG ... -
An assessment of thorium and spent LWR-fuel utilization potential in CANDU reactors
(2004)A neutronic analysis has been performed to assess a prospective utilization of light water reactor (LWR) spent fuel in Canada deuterium uranium (CANDU) reactors mixed with thoria (ThO2). The study is conducted for mixture ... -
Review on ballistic tribology
(2004)In this paper, it was investigated that studies about the dynamic failure of reinforced metal matrix composites and fiber composites under high velocity impact was observed. Some of this works on this topic is experimental, ... -
Application of a two-phase flow model for hydrogen evolution in an electrochemical cell
(2004)A two-phase mathematical model is applied to numerical investigation of gas evolution in a vertical electrochemical cell. The model comprises transport equations derived from first principles for each phase. Void fraction ... -
A two-phase flow model for hydrogen evolution in an electrochemical cell
(2004)Hydrogen evolution, flow field and current density distribution in an electrochemical cell are investigated with a two-phase flow model. The mathematical model involves solutions of transport equations for the variables ... -
Power flattening in the fuel bundle of a CANDU reactor
(2004)The strong non-uniformity of the fission power production density in the CANDU fuel bundle could have been mitigated to a great degree. A satisfactory power flattening has been achieved through an appropriately evaluated ... -
An investigation of the effects of neutron energy-group structures and resonance treatment in a fusion-fission hybrid reactor fuelling with Tho 2
(2005)In this work, the effects of neutron energy-group structures and resonance treatments on the main integral neutronic parameters are investigated in a fusion-fission hybrid reactor, which has a fast and a thermal blanket ... -
Experimental and theoretical analysis of particle distribution in particulate metal matrix composites
(2005)Particle distribution in particulate metal matrix composites was investigated experimentally and theoretically. SiC reinforced Pb 20%Sn alloy mechanically was stirred and cast into a cylindrical mold by an inert gas pressure. ... -
Application of a two-phase flow model for natural convection in an electrochemical cell
(2005)A two-phase mathematical model is applied to natural convection in an electrochemical cell. The model solves transport equations for both phases with an allowance of interphase mass and momentum exchange. The effect of ... -
Minor actinide burning in a CANDU thorium reactor
(HANSER eLibrary, 2006)Nuclear power plants are producing nuclear waste materials in substantial quantities, which represent a hazard potential for future generations. -
Investigation of CANDU reactors as a thorium burner
(2006)Large quantities of plutonium have been accumulated in the nuclear waste of civilian LWRs and CANDU reactors. Reactor grade plutonium can be used as a booster fissile fuel material in the form of mixed ThO2/PuO 2 fuel in ... -
Increased fuel burn up in a CANDU thorium reactor using weapon grade plutonium
(2006)Weapon grade plutonium is used as a booster fissile fuel material in the form of mixed ThO2/PuO2 fuel in a Canada Deuterium Uranium (CANDU) fuel bundle in order to assure the initial criticality at startup. Two different ... -
Experimental and numerical investigation of effect of particle size on particle distribution in particulate metal matrix composites
(2006)The effect of particle size on particle distribution during the casting of particulate metal matrix composites (PMMC) is experimentally and numerically investigated. Pb20% Sn alloy and Zr2O3 particles are employed as matrix ...