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Bret C. Windom
Colorado State University
39Publications
11H-index
732Citations
Publications 39
Newest
#1Saeid Aghahossein Shirazi (CSU: Colorado State University)H-Index: 3
#2Bahareh Abdollahipoor (CSU: Colorado State University)H-Index: 3
Last.Thomas D. Foust (CSU: Colorado State University)H-Index: 1
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Abstract Supplementing petroleum fuels with sustainable and renewable alternatives is a good option for increasing the sustainability of transportation fuels. Alcohols are particularly attractive blendstocks for spark ignition engines, mainly due to their desirable fuel properties including high octane, evaporative cooling, and reduced sooting propensity. Although the use of SI engines is widespread around the world, predominately for light duty vehicles, concerns about CO2 emissions and other s...
#1Matthew A. Ratcliff (NREL: National Renewable Energy Laboratory)H-Index: 16
#2Bret C. Windom (CSU: Colorado State University)H-Index: 11
Last.Robert L. McCormick (NREL: National Renewable Energy Laboratory)H-Index: 39
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Abstract This study examined the interactions of ethanol with aromatic compounds on aromatic species evolution during gasoline evaporation and the consequent impacts on particle emissions from a single-cylinder, gasoline direct injection engine. From a chemical kinetic standpoint, the dilution of the aromatic species in gasoline by ethanol blending should reduce particle emissions because aromatics are the primary species that form particles during gasoline combustion. However, increased evapora...
#1Saeid Aghahossein Shirazi (CSU: Colorado State University)H-Index: 3
#2Bahareh Abdollahipoor (CSU: Colorado State University)H-Index: 3
Last.Kenneth F. Reardon (CSU: Colorado State University)H-Index: 34
view all 6 authors...
Abstract Biofuels can contribute to reducing greenhouse gas emissions from the transportation sector. Ethanol is the main additive for gasoline in the United States, and gasoline containing 10 vol% ethanol is the most commonly used transportation fuel. However, the vapor pressure of these blends is significantly higher than gasoline, which contributes to evaporative emissions. One way to circumvent this and other issues is to use a dual-alcohol approach, mixing lower (methanol or ethanol) and hi...
#1T. McKay Stoker (CSU: Colorado State University)
#2Mangesh Rajendra Dake (CSU: Colorado State University)
Last.Bret C. Windom (CSU: Colorado State University)H-Index: 11
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#1Jessica Tryner (CSU: Colorado State University)H-Index: 4
#2Casey Quinn (CSU: Colorado State University)H-Index: 8
Last.John Volckens (CSU: Colorado State University)H-Index: 25
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Fine particulate air pollution (PM2.5) is a health hazard with numerous indoor and outdoor sources. Versatile monitors are needed to characterize PM2.5 sources, concentrations, and exposures in a range of locations and applications. Whereas low-cost light-scattering PM sensors provide real-time measurements with limited accuracy, gravimetric samples provide more accurate, albeit time-integrated, measurements. When used together, low-cost sensor data can be corrected to gravimetric samples. Here ...
#1Bahareh Abdollahipoor (CSU: Colorado State University)H-Index: 3
#2Saeid Aghahossein Shirazi (CSU: Colorado State University)H-Index: 3
Last.Bret C. Windom (CSU: Colorado State University)H-Index: 11
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Abstract After fermentation, the concentration of bioethanol is only 8–12 wt%. To produce anhydrous ethanol fuel, a significant amount of energy is required for separation and dehydration. Once the azeotrope composition is reached, distillation can no longer be exploited for purification and more expensive methods must be used. Replacing anhydrous ethanol fuel with hydrous ethanol (at the azeotrope composition) can result in significant energy and cost savings during production. The goal of this...
#1Saeid Aghahossein Shirazi (CSU: Colorado State University)H-Index: 3
#2Bahareh Abdollahipoor (CSU: Colorado State University)H-Index: 3
Last.Bret C. Windom (CSU: Colorado State University)H-Index: 11
view all 5 authors...
Water removal during the production of bioethanol is highly energy intensive. At the azeotropic point, the mixture can no longer be separated via fractional distillation, so expensive and energy intensive methods are required for further purification. Hence, there is an interest in using hydrous ethanol at the azeotropic point to improve the energy balance of ethanol fuel production. Currently there is a lack of available thermophysical property data for hydrous ethanol gasoline fuel blends. The...
#1Mangesh Rajendra Dake (CSU: Colorado State University)
#2Joseph FitzWilliam (CSU: Colorado State University)
Last.Bret C. Windom (CSU: Colorado State University)H-Index: 11
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#1Radi A. Alsulami (CSU: Colorado State University)
#2Brye Windell (CSU: Colorado State University)
Last.Bret C. Windom (CSU: Colorado State University)H-Index: 11
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