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INTEGRATED ARCHITECTURAL AND ENGINEERING DESIGN STRATEGIES FOR A ZERO-ENERGY BUILDING:Illinois Institute of Technology’s Design Entry for the 2018 *** of Energy Race to Zero(Solar Decathlon Design Challenge)

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Journal of Green Building 2021年第2期16卷 251-270页

作者： Edoarda Corradi Dell’Acqua jaime marin Eric Wright Department of Civil Architectural and Environmental EngineeringArmour College of EngineeringIllinois Institute of Technology CEM ME Mechanical&Aerospace EngineeringIllinois Institute of Technology LEED Green Associate ME Architectural EngineeringIllinois Institute of Technology

This paper describes the design of InterTech,a zero-energy mixed-use student residence hall,developed in 2018 by an interdisciplinary team of Illinois Institute of Technology(Illinois Tech)students for the *** of Energy Solar Decathlon Design Challenge,formerly known as Race to *** main focus is the team’s integrated and iterative approach,which blended architectural design and engineering concepts and led to achieving the high-performance *** aims to provide an innovative housing solution to Illinois Institute of Technology’s graduate students and their *** along State Street in between Illinois Tech’s main campus and downtown Chicago,it offers a mix of living options providing both independence and access to the campus and to the *** addition to the residential program,the project includes a small grocery/cafe con-nected to an outdoor public plaza,and an underground *** modeling was introduced in the early design *** potential of on-site renewable energy generation defined the project’s target Energy Use Intensity(EUI)of 37 kBtu/*** passive and active strategies were implemented to reduce the building’s total energy needs and meet the target *** implementation of energy conservation measures led to a 25%reduction of the building’s cooling load and a 33%reduction of the heating load.A design EUI of 28 kBtu/sqft was calculated,validating that this design met and exceeded the zero-energy goal.

关键词： zero-energy buildings integrated design high-performance buildings renewable energy systems energy analysis mixed-use buildings student housing

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Engineering of Fuel Plates on Uranium-Molybdenum Monolithic: Critical Issues

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World Journal of Nuclear Science and Technology 2015年第4期5卷 274-286页

作者： jaime Lisboa Jorge marin Mario Barrera Héctor Pesenti Departamento de Materiales Nucleares Comisión Chilena de Energía Nuclear CCHEN Santiago Chile Instituto de Materiales Facultad de Ingeniería Universidad Austral de Chile Valdivia Chile

Engineering of nuclear fuels using monolithic plates of uranium-molybdenum and Al-6061 cladding is the current challenge for research and test reactors. The main drawback of the manufacture of monolithic nuclear fuel was analyzed using two surface coating methods: aluminum sputtering and transient liquid phase bonding (TLPB). Coating was done with a commercial alloy of Al-Si (R-4047). These techniques were used to improve the metallurgical bonding between the UMo and the cladding by rolling. Finally, design parameters and manufacture of UMo plate fuels were established. Mechanical tests were used to characterize the plates, resulting in UTS values of about 700 and 1000 MPa for the UMo alloys. These results are complemented with metrological analyses, X-Ray diffraction (XRD), thermal analyses, and metallography. X-rays and ultrasound scanners were used to monitor bonding and the co-rolling effects. These initial results show the main obstacles to the engineering development of UMo monolithic plate fuels with Al-6061 cladding, and these are discussed herein.

关键词： Metallurgic Bonding Co-Rolling Monolithic UMo Aluminum Alloy Nuclear Fuel

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Atomization of UMo Particles under Nitrogen Atmosphere

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World Journal of Nuclear Science and Technology 2016年第1期6卷 43-52页

作者： Luis Olivares jaime Lisboa Jorge marin Mario Barrera Alberto Navarrete Nuclear Materials Department Chilean Commission for Nuclear Energy (CCHEN) Santiago Chile Physic Department Universidad de Santiago de Chile (USACH) Santiago Chile

Generally, the atomization of UMo particles is done under vacuum or argon atmosphere, and the surface modification of these UMo particles is, usually, carried on through a further process. The techniques for surface modification of atomized UMo particles, aimed to control the Fuel/Matrix interaction, involve, in some cases, complex methodologies and often with minor effect due to the limited solubility of third elements in solid UMo alloy. The atomization and surface conditioning, applied in separate stages, may affect the efficiency of powder production process. Then, the main goal of this study is to explore the surface modification of UMo particles in liquid state or during the solidification that follows the centrifugal atomization process. Through the change of atomization atmosphere, could be possible to promote liquid/gas reactions, with a higher solubility of the modifier element in micro drops of UMo alloy, before they become solid particles. This paper presents comparative results of centrifugal atomization of UMo particles, carried out under inert argon and reactive nitrogen atmospheres. Dissolved nitrogen contents, measured by SEM-EDS analyses, reached up to 7.57 wt% at the center of under nitrogen atomized particles, very higher than 0.84 wt% of nitrogen measured at the center of UMo particle atomized under argon. The presence of uranium nitride was partially verified by conventional XRD analysis. Nevertheless, Out-of-Pile interaction test result, reveals decreasing of aluminium contents into UMo particles atomized under nitrogen atmosphere;Just 3.77 wt% of Al was the maximum content detected in the center of these particles, very lower than 29.11 wt% of Al measured inside UMo particles atomized under argon. Finally, it is possible to conclude that the atomization under reactive atmosphere may modify the surface composition and the behavior of UMo fuel particles dispersed in aluminium, for dispersion type nuclear fuel application.

关键词： Atomization UMo Particles Dispersion Nuclear Fuel

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