Page • Low-temperature gasoline combustion (LTGC) strategies encompass both homogeneous and stratified charge compression ignition (HCCI and SCCI) combustion technologies. These technologies achieve high, diesel-like efficiencies and very low emissions of NOx and particulate. In an LTGC engine, the piston compresses a dilute, premixed fuel/air charge that autoignites and burns volumetrically. The charge...
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Lyle M. Pickett
Staff Page • Distinguished Member of Technical Staff, Engine Combustion Research. Biography Since 2002, Lyle Pickett has been the Principal Investigator for the Spray Combustion project in the Engine Combustion Research Department of the Combustion Research Facility at Sandia National Laboratories in Livermore, California. Lyle graduated from the University of Wisconsin–Madison with a...
Mass Spectrometric Methods
Page • At the CRF, researchers apply the power of mass analysis to investigate the details of complex chemical reaction networks such as those that drive combustion, autoignition, and tropospheric autoxidation.” Development and application of synchrotron photoionization methods have proved particularly powerful, and the CRF has benefited from a close collaborative relationship...
Multiphase Systems
Page • The interaction of gas phase molecules with other phases bridges two systems—condensed phase and gas phase—that are described by different paradigms of chemical physics. Our research in multiphase systems focuses on understanding how these regimes affect each other and the nature of the intermediary region between the phases. Two areas...
Near-Surface Imaging
Page • Figure 1 Gas-surface interfaces are present in many important chemical systems. From the valorization of methane at catalytically active surfaces, to the impinging of combustion processes on chemically inert interfaces, the complex heterogeneous chemistry and molecular energy transfer processes occurring in the gas phase very near to interfaces must be...
New engine optics to fuel future research
Post, November 29, 2017 • by Michael PadillaSandia team develops optical diagnostic that helps improve fuel economy while reducing emissionsA new optical device at Sandia National Laboratories that helps researchers image pollutants in combusting fuel sprays might lead to clearer skies in the future.An optical setup developed by researchers at Sandia’s Combustion Research Facility and...
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Nils Hansen
Staff Page • Manager, R&D Science and Engineering. Visit my personal staff page here.
Nils Hansen Receives Wilhelm Jost Memorial Medal
Post, June 24, 2024 • Nils Hansen, a physical chemist, has been chosen to receive the Wilhelm Jost Memorial Medal and deliver the Jost memorial lectures, awarded by the Göttingen Academy of Sciences and Humanities with guidance from the German Bunsen Society for Physical Chemistry. This award is given to an internationally acclaimed physical chemist...
Non-equilibrium Chemistry Driven by Transport
Page • Chemical reactions give rise to nascent products, termed non-equilibrium (NE), whose energy distribution does not correspond to that of either the reactants or the bath. Such NE product ensembles have different effective reactivity relative to their thermal equivalents, thereby impacting important macroscopic quantities in a complex reactive system. NE products...
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