User profiles for Brad Zigler

Bradley Zigler

National Renewable Energy Laboratory
Verified email at nrel.gov
Cited by 2508

Techno‐economic analysis and life‐cycle assessment of cellulosic isobutanol and comparison with cellulosic ethanol and n‐butanol

…, M Zhang, A Aden, X He, BT Zigler - Biofuels, bioproducts …, 2014 - Wiley Online Library
This work presents a detailed analysis of the production design and economics of the
cellulosic isobutanol conversion processes and compares cellulosic isobutanol with cellulosic …

Effects of gasoline direct injection engine operating parameters on particle number emissions

X He, MA Ratcliff, BT Zigler - Energy & Fuels, 2012 - ACS Publications
A single-cylinder, wall-guided, spark ignition direct injection engine was used to study the
impact of engine operating parameters on engine-out particle number (PN) emissions. …

Numerical and Experimental Investigation of n-Heptane Autoignition in the Ignition Quality Tester (IQT)

…, JY Chen, G Chin, J Luecke, MA Ratcliff, BT Zigler… - Energy & …, 2011 - ACS Publications
Development of advanced compression ignition and low-temperature combustion engines
is increasingly dependent on chemical kinetic ignition models. However, rigorous …

Exploring the relationship between octane sensitivity and heat-of-vaporization

…, JP Szybist, RL McCormick, MA Ratcliff, BT Zigler - … International Journal of …, 2016 - JSTOR
The latent heat-of-vaporization (HoV) of blends of biofuel and hydrocarbon components into
gasolines has recently experienced expanded interest because of the potential for …

A quantitative model for the prediction of sooting tendency from molecular structure

…, DJ Robichaud, MR Nimlos, BT Zigler… - Energy & …, 2017 - ACS Publications
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 …

Experimental investigation of the intermediates of isooctane during ignition

X He, SM Walton, BT Zigler… - … Journal of Chemical …, 2007 - Wiley Online Library
Direct measurements of intermediates of ignition are challenging experimental objectives,
yet such measurements are critical for understanding fuel decomposition and oxidation …

Ignition quality tester (IQT) investigation of the negative temperature coefficient region of alkane autoignition

…, E Osecky, MA Ratcliff, J Luecke, X He, BT Zigler… - Energy & …, 2013 - ACS Publications
The negative temperature coefficient (NTC) region of alkane autoignition was observed for
the first time in the Ignition Quality Tester (IQT). The C 7 isomers studied included n-heptane, 3…

Experimental and numerical investigation of the Advanced Fuel Ignition Delay Analyzer (AFIDA) constant-volume combustion chamber as a research platform for fuel …

J Luecke, MJ Rahimi, BT Zigler, RW Grout - Fuel, 2020 - Elsevier
Advanced combustion engine strategies that can offer increased efficiency and reduced
emissions are enabled by numerical engine combustion simulations, requiring accurate …

Impacts of mid-level biofuel content in gasoline on SIDI engine-out and tailpipe particulate matter emissions

X He, JC Ireland, BT Zigler, MA Ratcliff, KE Knoll… - 2011 - digitalscholarship.unlv.edu
In this work, the influences of ethanol and iso-butanol blended with gasoline on engine-out
and post three-way catalyst (TWC) particle size distribution and number concentration were …

Experiments and Computational Fluid Dynamics Modeling Analysis of Large n-Alkane Ignition Kinetics in the Ignition Quality Tester

…, JY Chen, MA Ratcliff, J Luecke, BT Zigler… - Energy & …, 2014 - ACS Publications
This paper presents experimental measurements of ignition delays from low- to high-volatility
n-alkanes representative of diesel and jet fuel compounds that are supplemented with a …