Bradley T. Zigler
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View article: Model assessment of synthetic jets for turbulent combustion experiments
Model assessment of synthetic jets for turbulent combustion experiments Open
View article: Enhancing ϕ-sensitivity of ignition delay times through dilution of fuel-air mixture
Enhancing ϕ-sensitivity of ignition delay times through dilution of fuel-air mixture Open
View article: Bioderived ether design for low soot emission and high reactivity transport fuels
Bioderived ether design for low soot emission and high reactivity transport fuels Open
This study developed the design principle of bio-derived ether fuels with low soot emission and high reactivity based on an experiment-theory combined approach.
View article: Bioderived ether design for low emission and high reactivity transport fuels
Bioderived ether design for low emission and high reactivity transport fuels Open
Bioderived ethers have recently drawn attention as a response to increasing demands on clean alternative fuels. A theory-experiment combined approach was introduced for the five ether molecules representing linear, branched, and cyclic eth…
View article: Global Ethanol-Blended-Fuel Vehicle Compatibility Study
Global Ethanol-Blended-Fuel Vehicle Compatibility Study Open
The objective of this study is to understand the impact of ethanol-blended fuel at various blending levels (10%, 15%, and 20% vol.) on "in-operation" vehicles built to differing emissions and manufacturing standards around the world. The s…
View article: Rapid prediction of fuel research octane number and octane sensitivity using the AFIDA constant-volume combustion chamber
Rapid prediction of fuel research octane number and octane sensitivity using the AFIDA constant-volume combustion chamber Open
View article: Understanding how chemical structure affects ignition-delay-time <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.svg"><mml:mi>ϕ</mml:mi></mml:math>-sensitivity
Understanding how chemical structure affects ignition-delay-time -sensitivity Open
View article: Ignition delay measurements of four component model gasolines exploring the impacts of biofuels and aromatics
Ignition delay measurements of four component model gasolines exploring the impacts of biofuels and aromatics Open
View article: On-Road Heavy-Duty Low-NOx Technology Cost Study
On-Road Heavy-Duty Low-NOx Technology Cost Study Open
The National Renewable Energy Laboratory (NREL) conducted a cost analysis for emission control technologies under contract to the California Air Resources Board (CARB). CARB sought incremental cost analysis for emission control technologie…
View article: Towards quantitative prediction of ignition-delay-time sensitivity on fuel-to-air equivalence ratio
Towards quantitative prediction of ignition-delay-time sensitivity on fuel-to-air equivalence ratio Open
View article: Experimental and numerical investigation of the Advanced Fuel Ignition Delay Analyzer (AFIDA) constant-volume combustion chamber as a research platform for fuel chemical kinetic mechanism validation
Experimental and numerical investigation of the Advanced Fuel Ignition Delay Analyzer (AFIDA) constant-volume combustion chamber as a research platform for fuel chemical kinetic mechanism validation Open
View article: Fuel-Lubricant Interactions on the Propensity for Stochastic Pre-Ignition
Fuel-Lubricant Interactions on the Propensity for Stochastic Pre-Ignition Open
This work explores the impact of the interaction of lubricant and fuel properties on the propensity for stochastic pre-ignition (SPI). Findings are based on statistically significant changes in SPI tendency and magnitude, as determined by …
View article: Co-Optimization of Fuels & Engines: Properties of Co-Optima Core Research Gasolines
Co-Optimization of Fuels & Engines: Properties of Co-Optima Core Research Gasolines Open
The Co-Optima Core gasolines are a set of fuels developed to have similar autoignition properties but a wide range of composition. The primary compositional components varied were isoparaffins, cycloparaffins, olefins, aromatics, and ethan…
View article: Co-Optimization of Fuels & Engines: Efficiency Merit Function for Spark-Ignition Engines; Revisions and Improvements Based on FY16-17 Research
Co-Optimization of Fuels & Engines: Efficiency Merit Function for Spark-Ignition Engines; Revisions and Improvements Based on FY16-17 Research Open
Early in fiscal year 2016 (FY16), a fuel efficiency 'merit function' was developed to provide a simple tool to evaluate the potential thermal efficiency benefits of various fuels when multiple fuel properties or performance metrics are cha…
View article: The impact of physicochemical property interactions of iso-octane/ethanol blends on ignition timescales
The impact of physicochemical property interactions of iso-octane/ethanol blends on ignition timescales Open
View article: Possible Pathways for Increasing Natural Gas Use for Transportation (Presentation)
Possible Pathways for Increasing Natural Gas Use for Transportation (Presentation) Open
A collaborative partnership of DOE National Laboratories is working with DOE to identify critical RD&D needs to significantly increase the speed and breadth of NG uptake into the transportation sector. Drivers for increased utilization of …
View article: Modeling the Fuel Spray and Combustion Process of the Ignition Quality Tester with KIVA-3V
Modeling the Fuel Spray and Combustion Process of the Ignition Quality Tester with KIVA-3V Open
Discusses the use of KIVA-3V to develop a model that reproduces ignition behavior inside the Ignition Quality Tester, which measures the ignition delay of low-volatility fuels.
View article: Estimating Energy Consumption of Mobile Fluid Power in the United States
Estimating Energy Consumption of Mobile Fluid Power in the United States Open
This report estimates the market size and energy consumption of mobile off-road applications utilizing hydraulic fluid power, and summarizes technology gaps and implementation barriers. Mobile fluid power is the use of hydraulic fluids und…
View article: A Quantitative Model for the Prediction of Sooting Tendency from Molecular Structure
A Quantitative Model for the Prediction of Sooting Tendency from Molecular Structure Open
Particulate matter emissions negatively affect public health and global climate, yet newer fuel-efficient gasoline direct injection engines tend to produce more soot than their port-fuel injection counterparts. Fortunately, the search for …
View article: Bioblendstocks that Enable High Efficiency Engine Designs
Bioblendstocks that Enable High Efficiency Engine Designs Open
The past decade has seen a high level of innovation in production of biofuels from sugar, lipid, and lignocellulose feedstocks. As discussed in several talks at this workshop, ethanol blends in the E25 to E50 range could enable more highly…
View article: Effects of iso-octane/ethanol blend ratios on the observance of negative temperature coefficient behavior within the Ignition Quality Tester
Effects of iso-octane/ethanol blend ratios on the observance of negative temperature coefficient behavior within the Ignition Quality Tester Open
View article: Investigation of Iso-octane Ignition and Validation of a Multizone Modeling Method in an Ignition Quality Tester
Investigation of Iso-octane Ignition and Validation of a Multizone Modeling Method in an Ignition Quality Tester Open
An ignition quality tester was used to characterize the autoignition delay times of iso-octane. The experimental data were characterized between temperatures of 653 and 996 K, pressures of 1.0 and 1.5 MPa, and global equivalence ratios of …