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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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All sourcesNASA NTRSDOE OSTI
DOE OSTI2018

Establishing Building-Level Energy Goals in Procurement Documents: Lessons Learned from Pilot Utility and Portfolio Projects: Preprint

Encouraging commercial building owners to set measurable energy goals before design begins can drive design and contractor teams to develop innovative energy efficiency solutions within conventional building budgets. A federal building owner piloted this technique and created a large-scale zero energy office building on a budget comparable to local market construction rates. The successes and lessons learned from this performance-based procurement project formed the basis of an expanded program using utilities as the outreach channel to replicate the approach. The utilities delivered incentive-based offerings to focus building owners on the whole building rather than on individual building components and systems. In addition, a ripple effect was evident, with individual building owners as well as owners of multiple-building portfolios adopting the techniques, sometimes with variations, but always maintaining the same core principles. The original performance-based procurement process and its successful implementation in a federal building project informed all these efforts. Those successes and lessons learned demonstrate that the approach can be adapted to utility programs with some variation and is a powerful tool for engaging building owners as they make critical design decisions that impact energy performance over the life of the building.

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATI↗
DOE OSTI2018

Quarterly Management Document - FY18, 4th Quarter, Physics-based Creep Simulations of Thick Section Welds in High Temperature and Pressure Applications

During the 4th Quarter of FY18, work on this project focused on determination of the growth behavior of gamma prime precipitates with the intent of determining the growth rate constant as a function of temperature. The derived constitutive equation will be incorporated into the modeling and simulation effort for creep behavior of thick section welds in Alloy 740H for fossil energy power generation applications. Additionally, progress has been made on representing the weld and base metal microstructure using Dream3D which will be used by the modeling and simulation effort to incorporate microstructural effects into the creep behavior.

36 MATERIALS SCIENCE↗
DOE OSTI2018

Establishing Building-Level Energy Goals in Procurement Documents: Lessons Learned from Pilot Utility and Portfolio Projects

Encouraging commercial building owners to set measurable energy goals before design begins can drive design and contractor teams to develop innovative energy efficiency solutions within conventional building budgets. A federal building owner piloted this technique and created a large-scale zero energy office building on a budget comparable to local market construction rates. The successes and lessons learned from this performance-based procurement project formed the basis of an expanded program using utilities as the outreach channel to replicate the approach. The utilities delivered incentive-based offerings to focus building owners on the whole building rather than on individual building components and systems. In addition, a ripple effect was evident, with individual building owners as well as owners of multiple-building portfolios adopting the techniques, sometimes with variations, but always maintaining the same core principles. The original performance-based procurement process and its successful implementation in a federal building project informed all these efforts. Those successes and lessons learned demonstrate that the approach can be adapted to utility programs with some variation and is a powerful tool for engaging building owners as they make critical design decisions that impact energy performance over the life of the building.

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATI↗
DOE OSTI2020

Report Documenting Activity for Second Alloy 709 Commercial Heat

SUMMARY Qualification of the advanced austenitic stainless steel material Alloy 709 for use in Section III Division 5 of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code is being pursued by the US Department of Energy Advanced Reactor Technology Program. Qualification of this alloy will allow its use in design and construction of components for elevated temperature nuclear reactor systems. Code qualification requires extensive characterization of three commercial scale heats of the alloy. This report describes progress in procuring the second of three required heats of Alloy 709 plate from ATI Flat Rolled Products.

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS↗