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Analysis of Buoyancy-Driven Ventilation of Hydrogen from Buildings

Description: The scope of work for this project includes safe building design, vehicle leak in residential garage, continual slow leak, passive, buoyancy-driven ventilation (versus mechanical), and steady-state concentration of hydrogen versus vent size.
Date: September 11, 2007
Creator: Barley, C. D.; Gawlik, K.; Ohi, J. & Hewett, R.

An Analysis of Concentrating Solar Power with Thermal Energy Storage in a California 33% Renewable Scenario (Report Summary)

Description: This analysis evaluates CSP with TES in a scenario where California derives 33% of its electricity from renewable energy sources. It uses a commercial grid simulation tool to examine the avoided operational and capacity costs associated with CSP and compares this value to PV and a baseload generation with constant output. Overall, the analysis demonstrates several properties of dispatchable CSP, including the flexibility to generate during periods of high value and avoid generation during perio… more
Date: April 1, 2013
Creator: Denholm, P.; Wan, Y. H.; Hummon, M. & Mehos, M.

Analysis of Heat Dissipation in Li-Ion Cells & Modules for Modeling of Thermal Runaway

Description: The objectives of this study are: (1) To develop 3D Li-Ion battery thermal abuse ''reaction'' models for cell and module analysis; (2) To understand the mechanisms and interactions between heat transfer and chemical reactions during thermal runaway for Li-Ion cells and modules; (3) To develop a tool and methodology to support the design of abuse-tolerant Li-Ion battery systems for PHEVs/HEVs; and (4) To help battery developers accelerate delivery of abuse-tolerant Li-Ion battery systems in supp… more
Date: May 15, 2007
Creator: Kim, G.-H. & Pesaran, A.

Analysis of Real World Fuel Cell Degradation

Description: Presentation about the National Renewable Energy Laboratory's Hydrogen Secure Data Center and its work with fuel cell vehicles, fuel cell early market demonstrations, and fuel cell bus demonstrations. This presentation includes results of composite data products and a summary of the analysis objectives and data flow for the projects.
Date: December 8, 2009
Creator: Kurtz, J.; Wipke, K.; Sprik, S. & Ramsden, T.

Analysis of the Impact of Balancing Area Cooperation on the Operation of the Western Interconnection with Wind and Solar Generation

Description: This presentation describes the analysis of the impact of balancing area cooperation on the operation of the Western Interconnection with wind and solar generation, including a discussion of operating reserves, ramping, production simulation, and conclusions.
Date: May 1, 2011
Creator: Milligan, M.; Lew, D.; Jordan, G.; Piwko, R.; Kirby, B.; King, J. et al.

Analysis of Variability and Uncertainty in Wind Power Forecasting: An International Comparison

Description: This presentation summarizes the work to investigate the uncertainty in wind forecasting at different times of year and compare wind forecast errors in different power systems using large-scale wind power prediction data from six countries: the United States, Finland, Spain, Denmark, Norway, and Germany.
Date: October 1, 2013
Creator: Zhang, J.; Hodge, B.; Miettinen, J.; Holttinen, H.; Gomez-Lozaro, E.; Cutululis, N. et al.

Analysis Results for ARRA Projects: Enabling Fuel Cell Market Transformation

Description: This presentation discusses analysis results for American Recovery and Reinvestment Act early market fuel cell deployments and describes the objective of the project and its relevance to the Department of Energy Hydrogen and Fuel Cells Program; NREL's analysis approach; technical accomplishments including publication of a fourth set of composite data products; and collaborations and future work.
Date: June 1, 2012
Creator: Kurtz, J.; Wipke, K.; Sprik, S.; Ramsden, T.; Ainscough, C. & Saur, G.

Analyzing the Effects of Climate and Thermal Configuration on Community Energy Storage Systems

Description: Community energy storage (CES) has been proposed to mitigate the high variation in output from renewable sources and reduce peak load on the electrical grid. Thousands of these systems may be distributed around the grid to provide benefits to local distribution circuits and to the grid as a whole when aggregated. CES must be low cost to purchase and install and also largely maintenance free through more than 10 years of service life to be acceptable to most utilities.Achieving the required syst… more
Date: October 1, 2013
Creator: Neubauer, J.; Pesaran, A.; Coleman, D. & Chen, D.

Application of Proteomics and Lipid Studies in Environmental Biotechnology

Description: The overview of changes in protein levels or states in response to a growth condition, stress, mutation or metabolic engineering is invaluable in understanding the physiology of a microbial system. The lipid profile of the cell is similarly a valuable diagnostic of the cellular response and health, especially in context of survival in a fluctuating environment. To obtain comprehensive cellular models, post-transcriptional cell wide surveys at the levels of proteins and lipids are required. Both… more
Date: August 12, 2008
Creator: Mukhopadhyay, Aindrila
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