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Norm Bartelt

Staff Page • Materials Physics. Biography My work over the last forty years has focused on improving the understanding of the dynamical processes which are responsible the structure and morphology of solid surfaces. Much of this work has involved constructing statistical mechanical models that allow macroscopic behavior to be traced to atomic events. Most...
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Off-Road Diesel Engine Combustion Laboratory

Page • Figure 1 Research in the Off-Road Diesel Engine Combustion Laboratory is conducted using a single-cylinder, 6.7L research engine. This size class represents one of the most ubiquitous engines in off-road applications. Shown below is the all-metal variant of this engine. We are in the process of developing an optical section in...

Olivia Krohn

Staff Page • Jill Hruby Postdoctoral Fellow. Biography Olivia Krohn is a Jill Hruby Postdoctoral Fellow at Sandia National Laboratories where she conducts research on inelastic collisions between molecules in crossed molecular beams. Her fellowship proposal outlined a technique to enhance collision energy resolution and quantum state control using quantum cascade lasers. She...
Olivia Krohn

Optical and Laser Spectroscopy

Page • The Combustion Research Facility has a long history of leadership in laser diagnostics, developing and characterizing optical laser techniques to detect and quantify important gas-phase species, temperature, and particulate matter in temporally and spatially resolved measurements. Research in spectroscopic methods underlies this leadership. CRF researchers are developing capabilities that interrogate...

Outstanding Technology: Ducted Fuel Injection

Post, March 9, 2021 • Sandia researchers won an Outstanding Technology Development Award for its work on ducted fuel injection (DFI), a patented technology that slashes emissions of soot and nitrogen oxides from diesel engines by about 80% and is synergistic with sus­tainable liquid fuels like biodiesel. According to Chuck Mueller, who leads the project,...

Particle Inception from Gas Phase Reactions

Page • The physical chemistry that enables particles to form and grow from gas phase precursors is highly complex and spans systems from the highly oxygenated particles of secondary organic aerosol to the carbonaceous particles of combustion, i.e., soot. At the CRF, scientists apply advanced mass spectrometric methods to probe the gas...

Paul Miles honored with Lifetime Achievement Award

Post, December 17, 2025 • For more than 30 years, Paul Miles has driven breakthroughs in engine-combustion research at Sandia National Laboratories; in recognition of his transformative contributions, he has been honored with the DOE Vehicle Technologies Office Lifetime Achievement Award. Paul’s honor is the culmination of decades of conducting and supervising research projects funded...

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Page • Experimental Capabilities Computation & Theory Chemical Physics Engine Combustion Hydrogen Fusion & Plasma Materials Science

PEPICO

Page • Photoelectron Photoion Coincidence Spectroscopy (PEPICO): A New Tool for Chemical Physics of Complex-Forming Reactions Figure 1 Photoelectron image at a particular kinetic time giving the fingerprint for one chemical species in a reaction. Source: Sandia National Laboratories. Figure 2 A depiction of the radical thermometer for methyl peroxy radicals (CH3OO)....

Photoionization Mass Spectrometry

Page • Figure 1 The reactor tube and skimmer of one multiplexed photoionization mass spectrometer at the CRF, which is optimized for the study of low-pressure individual reactions and reaction sequences. Source: D. L. Osborn, Sandia National Laboratories Technical Details It is difficult to probe a complex chemical system holistically. Although a...
Results 91–100 of 130