Energy and Climate

Modeling

Storing Hydrogen Underground Could Boost Transportation, Energy Security

Large-scale storage of low-pressure, gaseous hydrogen in salt caverns and other underground sites for transportation fuel and grid-scale energy applications offers several advantages over above-ground storage, says a recent Sandia study sponsored by the DOE Fuel Cell Technologies Office. Geologic storage of hydrogen gas could make it possible to produce and distribute large quantities of […]

Parallel Implementation of Smoothed-Particle Hydrodynamics Method Using LAMMPS/Trilinos

Sandia has implemented a scalable parallel capability to model polarized-fluid dynamics in micro devices driven by an electric potential. The Sandia team discretized the mathematical model (Navier-Stokes and Poisson-Bolzman equations) with an implicit smoothed-particle hydrodynamics (SPH) method. Due to the method’s particle nature, the team used the LAMMPS (Large-scale Atomic/Molecular Massively Parallel Simulator) particle library, […]

Wind Generator Modeling

Sandia finalized and submitted the updated “WECC Wind Power Plant Dynamic Model­ing Guide” and the “WECC PV Power Plant Dynamic Modeling Guide” to the Technical Studies Subcommittee at the Western Elec­tricity Coordinating Council (WECC). These dynamic modeling guides present the second-generation generic models as speci­fied in the January 23, 2014 WECC report. The WECC generic […]

Widespread Hydrogen Fueling Infrastructure Is the Goal of H2FIRST Project

As hydrogen (H2) fuel cell electric vehicles (HFCEVs) continue to roll out in increasing numbers, the infrastructure for fueling them must expand as well. To this end, a new project launched by EERE’s Fuel Cell Technologies Office and led by Sandia and the National Renewable Energy Laboratory (NREL) will work in support of H2USA, the […]

Dakota Version 5.4 Released

Sandia’s Dakota software delivers advanced parametric analysis techniques enabling design exploration, model calibration, risk analysis, and quantification of margins and uncertainty with computational models. Dakota v5.4 was released November 15, 2013, and deployed on supported Sandia computing systems. The release includes new capabilities for uncertainty quantification (UQ), optimization, and calibration. UQ highlights include a new […]

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