Abstract:
A spacer grid for dual-cooling nuclear fuel rods arranged at a narrow interval. The spacer grid solves the problem in which, since the dual-cooling nuclear fuel rods are used to improve the cooling performance and stability of nuclear fuel and obtain high burnup and output, the outer diameter of each dual-cooling nuclear fuel rod is increased, and thus the gap between each dual-cooling nuclear fuel rod and the grid strap is decreased. The spacer grid includes first grid straps and second grid straps, which are crossed and arranged in transverse and longitudinal directions at regular intervals and have the shape of a flat strip, and support structures, which are fitted into the first and second grid straps around intersections of the first and second grid straps so as to support the dual-cooling nuclear fuel rods.
Abstract:
A fuel reformer burner in which fuel gas and anode-off-gas (AOG) may be burned and backfire may be prevented during combustion of AOG includes a fuel supply portion, an anode-off-gas (AOG) supply portion; and a combustion air supply portion. The fuel supply portion and the AOG supply portion are arranged inside the combustion air supply portion, which is formed to extend beyond the discharge sides of the fuel supply portion and the AOG supply portion.
Abstract:
Provided are a non-pyrophoric water gas shift reaction catalyst including: an oxide carrier composed of zirconium oxide (ZrO2) and at least one selected from yttrium oxide (Y2O3) and cerium oxide (CeO2); and platinum (Pt) and cerium (Ce) that are supported on the oxide carrier, a method of preparing the same, and a fuel processor including the non-pyrophoric water gas shift reaction catalyst.
Abstract translation:本发明提供一种非自燃水煤气变换反应催化剂,其包括:氧化锆(ZrO 2)和选自氧化钇(Y 2 O 3)和氧化铈(CeO 2)中的至少一种的氧化物载体。 和负载在氧化物载体上的铂(Pt)和铈(Ce),其制备方法和包括非自燃水煤气变换反应催化剂的燃料处理器。
Abstract:
A labeling and preparation device for test tubes. At least one storage section places at least one pallet having a set of test tubes at a preset position. At least one transfer section is disposed above the storage section, and clamps or releases one of the test tubes. A labeling section is disposed below the transfer section, receives the test tubes transferred from the transfer section, and attaches a label having information related to a sample on a circumference of each test tube. An ejection section is disposed below the labeling section, and ejects the test tubes to an outside. A controller controls drivers of the transfer section, the labeling section and the ejection section.
Abstract:
A spacer grid can be applied to close-spaced nuclear fuel rods. The spacer grid is directed to solve the problem in which, as the outer diameter of each nuclear fuel rod increases due to the use of dual-cooled nuclear fuel rods for improving cooling performance and obtaining high combustion and high output power, the gap between the neighboring nuclear fuel rods is narrowed to thus make it impossible to use an existing spacer grid. The spacer grid is a combination of unit grid straps, each of which has supports for supporting each of the nuclear fuel rods set in a narrow array and has a sheet shape, which are combined with each other. The supports are located at positions shifted from the longitudinal central line of each unit grid strap toward sub-channels.
Abstract:
An electrode catalyst for a fuel cell, a method of preparing the same, and a membrane electrode assembly and a fuel cell including the same. The electrode catalyst includes a catalyst particle that incorporates a plurality of palladium atoms, a plurality of atoms of a transition metal, and a plurality of atoms of a precious metal having a higher standard reduction potential than the transition metal, where all of the plurality of atoms of the transition metal are respectively surrounded by at least one of the palladium atoms, the neighboring atoms of the transition metal, or the atoms of the precious metal.
Abstract:
A fuel processor having a CO removal unit including an apparatus for warming a CO shifter, is provided. A method of using the fuel processor is also provided. The fuel processor includes a reformer that extracts hydrogen gas from a raw fuel by reacting the raw fuel with water. A burner heats up the reformer to a temperature suitable for extracting the hydrogen gas. A CO shifter removes CO produced during the extraction reaction from the hydrogen gas, and a medium path line in which a heat exchange medium disposed therein absorbs heat from the reformer and passes the heat to the CO shifter. A fuel processor having the above structure can greatly reduce the time required to increases the temperature of the CO shifter to an appropriate operating temperature at an early stage of start up, since a rapid heating of the CO shifter is possible using the heat exchange of steam.
Abstract:
A fuel cell system including a fuel processor, and a method of operating the fuel cell system, the fuel cell system includes: a reformer that reforms a hydrocarbon group fuel source into a reformed gas; a burner that heats the reformer; a CO remover unit that removes CO from a reformed gas generated by the reformer; a stack to generate electricity using the reformed gas; a first burner fuel supply line to supply the hydrocarbon group fuel source to the burner; and a second burner fuel supply line to supply the reformed gas from the CO remover unit to the burner.
Abstract:
Disclosed is a method and apparatus for learning behavior in a software robot. The method includes detecting a kind of an object in cyberspace related to a kind of presently manifested action, and a kind and the variation of at least one state among percept states or emotional states preset so as to change in relation to the kind of the action; finding episodes respectively corresponding to each of one or more objects in the cyberspace, each of one or more emotional states and each of one or more percept states, respectively defined in the software robot, a kind of an object in cyberspace related to the detected kind of the action among multiple episodes for responding a combination of kinds of respective one or more actions and for storing variation related to each state, and a kind of at least one state among percept states or emotional states preset so as to change in relation to the kind of the action; using variation stored in response to the found episode and variation generated in response to the manifested action, and calculating a representative variation; and storing the representative variation as a variation of the found episode.
Abstract:
Non-platinum (Pt) electrode catalysts for fuel cells, methods of manufacturing the same, and fuel cells including the non-Pt electrode catalysts. Each of the non-Pt electrode catalysts for fuel cells includes at least palladium (Pd) and iridium (Ir), and further includes a metal, oxide of the metal, or mixture thereof for compensating for the activity of Pd and Ir.