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INTEGRATED-GASIFICATION COMBINED CYCLE GAS TURBINE SYSTEMS OFFER THE POTENTIAL FOR EFFICIENT USE OF COAL IN THE PRODUCTION OF POWER AND HEAT. THE RECENTLY DEVELOPED ADVANCED TECHNOLOGY CATALYTIC COMBUSTOR (ATECC) TECHNOLOGY OFFERS AN OPPORTUNITY FOR SEVERAL IMPROVEMENTS TO THESE SYSTEMS. THE MOST NOTABLE IMPROVEMENTS INCLUDE VIRTUAL ELIMINATION OF NITROGEN OXIDES (NOX) AND CARBON MONOXIDE (CO) EMI ...

To ensure safe and reliable power production by nuclear power plants, a wide variety of materials and components need to undergo inspections and maintenances at pre-determined intervals. Condition based maintenance is highly desirable because it can potentially avoid unnecessarily costly maintenance actions and associated error induced failures. Consequently, it can help achieve nearly all the mai ...

75418-There is currently great interest in functional medical imaging with radionuclides, driven by new clinical applications using positron emission tomography (PET). This project will design and evaluate a revolutionary new photodetection device¿a surface-mountable, miniaturized photomultiplier tube (mPMT) for applications in PET. The device, based on micromachining technology, represents a m ...

A CONTINUOUS EMISSION MONITORING SYSTEM BASED ON A COMBINATIO FOURIER TRANSFORM INFRARED AND RAMAN SPECTROMETER (FT-IR/FT-RAMAN) IS PLANNED FOR ANALYSIS OF FLUE GAS AND COMBUSTION EFFICIENCY TO ENHANCE THE DEVELOPMENT OF U.S. FOSSIL RESOURCES FOR ENERGY CONVERSION. THE UNIQUE INSTRUMENT DESIGN EMPLOYS A SINGLE INTERFEROMTER THAT CAN SIMULTANEOUSLY ACQUIRE BOTH INFRARED AND RAMAN SPECTRA. THE COMPL ...

A COPPER ALLOY WITH SIGNIFICANTLY IMPROVED HIGH TEMPERATURE PROPERTIES WOULD BE A DESIRABLE COMPONENT OF A HIGH HEAT FLUX FIRST WALL PLASMA CONFINEMENT SYSTEM FOR FUSION REACTORS. THIS PROJECT WILL DEMONSTRATE THE FEASIBILITY OF INCORPORATING COLLOIDAL OXIDE PARTICLES IN A MOLTEN COPPER ALLOY. THE OXIDE WILL BE WET BY AND REMAIN STABLE IN THE COPPER MELT, ALLOWING THE COPPER TO BE CAST AND WELDED, ...

Advanced nuclear reactor systems utilize liquid metal coolants, which requires that reactor component materials be corrosion resistant while maintaining safety, reliability, and performance criteria in normal reactor operation as well as in accident scenarios. Niowave, in collaboration with Los Alamos National Laboratory and the University of Michigan, is currently developing a hybrid fast/thermal ...

Supercritical CO2 (sCO2) power cycles have the potential to deliver high efficiency, low-cost, water-free operation for coal-fired power generation. To achieve these high efficiency levels, design temperatures of the working fluid (both furnace inlet and turbine inlet) and the secondary/combustion air are typically higher than for steam-based power cycles. Therefore, to avoid exceeding tube temper ...

THE PARTICLES THAT ARE A NATURAL PRODUCT IN THE HOT GAS EXHAUST OF COAL GASIFIERS AND COMBUSTORS MUST BE REMOVED, OR THEY WILL CAUSE MAJOR DAMAGE TO DOWNSTREAM EQUIPMENT DESIGNED TO EXTRACT ENERGY FROM THE FLOW. A HOT, PARTICLE-LADEN EXHAUST IS AN EXTREME ENVIRONMENT THAT PLACES SEVERE CONSTRAINTS ON THE MATERIALS AND PROCESSES USED IN THE VARIETY OF DEVICES THAT MIGHT REMOVE THESE PARTICLES. THE ...