102 research outputs found

    Streamlining and Refining FEDS Loads Models - Final Report

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    The Facility Energy Decision System (FEDS) software is a powerful buildings energy analysis tool developed by Battelle at the Pacific Northwest National Laboratory with support from numerous organizations including several within the U.S. Department of Energy (DOE) and U.S. Department of Defense (DoD). FEDS is used extensively throughout the federal sector to examine building energy efficiency potential and recommend energy saving retrofit projects. The focus of this CRADA was to update the foundation of the FEDS loads models, to improve the core functionality and calculation methods and position the building efficiency analysis software for continued growth. The broader intent was to increase FEDS utility and user satisfaction via improving modeling accuracy, facilitating development and making possible a wide range of new and desired capability enhancements. This report provides an summary of the various tasks performed under the CRADA

    Trends and Issues in Not for Profit Camping

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    The purpose of this study was to examine in­fluences on not for profit agencies involved in camping programs to determine critical trends and issues related to organized camping. The American Camping Association (ACA) Not for Profit Forum and Council funded this study. The project consisted of three data collection phases: 1) an extensive literature review; 2) a survey sent to a random sample of camp directors and their not for profit agency executives; and 3) focus groups conducted at a national ACA con­ference. This descriptive research study uses information from the second phase of this pro­ject to present quantitative data about percep­tions of the trends and issues in not for profit camping

    Geological suitability and capacity of CO2 storage in the Jiyang Depression, East China

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    Carbon dioxide capture and storage (CCS) is an effective technology to reduce carbon dioxide (CO2) emissions in China. In this paper, the authors considered storage opportunities offered by oil reservoirs and deep saline aquifers in the Jiyang Depression, in east China. Based on detailed geological analysis and assessment of CO2 storage suitability, the Dongying Sag and Linyi‐Shanghe areas of the Huimin Sag within the Jiyang Depression appear promising for CO2 storage. Following more detailed characterization, the second and third members of the Shahejie Formation located in these two areas appear the most promising for CO2 storage. Within the areas identified as having potential for storage, 55 primary and 62 secondary recommended storage units were defined, with a total theoretical capacity of 5.02 × 108 tonnes (t) CO2. This represents storage of CO2 emissions from large‐scale sources in the Jiyang Depression for more than 30 years at current emission rates

    An Assessment of the Commercial Availability of Carbon Dioxide Capture and Storage Technologies as of June 2009

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    Currently, there is considerable confusion within parts of the carbon dioxide capture and storage (CCS) technical and regulatory communities regarding the maturity and commercial readiness of the technologies needed to capture, transport, inject, monitor and verify the efficacy of carbon dioxide (CO2) storage in deep, geologic formations. The purpose of this technical report is to address this confusion by discussing the state of CCS technological readiness in terms of existing commercial deployments of CO2 capture systems, CO2 transportation pipelines, CO2 injection systems and measurement, monitoring and verification (MMV) systems for CO2 injected into deep geologic structures. To date, CO2 has been captured from both natural gas and coal fired commercial power generating facilities, gasification facilities and other industrial processes. Transportation via pipelines and injection of CO2 into the deep subsurface are well established commercial practices with more than 35 years of industrial experience. There are also a wide variety of MMV technologies that have been employed to understand the fate of CO2 injected into the deep subsurface. The four existing end-to-end commercial CCS projects  Sleipner, Snohvit, In Salah and Weyburn  are using a broad range of these technologies, and prove that, at a high level, geologic CO2 storage technologies are mature and capable of deploying at commercial scales. Whether wide scale deployment of CCS is currently or will soon be a cost-effective means of reducing greenhouse gas emissions is largely a function of climate policies which have yet to be enacted and the publicÂs willingness to incur costs to avoid dangerous anthropogenic interference with the EarthÂs climate. There are significant benefits to be had by continuing to improve through research, development, and demonstration suite of existing CCS technologies. Nonetheless, it is clear that most of the core technologies required to address capture, transport, injection, monitoring, management and verification for most large CO2 source types and in most CO2 storage formation types, exist. Document type: Repor

    Managing Army Plug Load Equipment Energy Use: Vending Machines

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    Managing Army Plug Load Equipment Energy Use: Workstation Computing Systems

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    Managing Army Plug Load Equipment Energy Use: Office Equipment

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    Study Highlights: Characterizing Plug Load Energy Use and Savings Potential in Army Buildings

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