Browsing College of Science by Author "Pitz, William J."

Now showing items 1-20 of 27

    • A comparative reactivity study of 1-alkene fuels from ethylene to 1-heptene 

      Dong, Shijun; Zhang, Kuiwen; Senecal, Peter K.; Kukkadapu, Goutham; Wagnon, Scott W.; Barrett, Stephen; Lokachari, Nitin; Panigaphy, Snehasish; Pitz, William J.; Curran, Henry J. (Elsevier, 2020-09-23)
      A comparative reactivity study of 1-alkene fuels from ethylene to 1-heptene has been performed using ignition delay time (IDT) measurements from both a high-pressure shock tube and a rapid compression machine, at an ...

    • A comprehensive combustion chemistry study of 2,5-dimethylhexane 

      Sarathy, S. Mani; Javed, Tamour; Karsenty, Florent; Heufer, Alexander; Wang, Weijing; Park, Sungwoo; Elwardany, Ahmed; Farooq, Aamir; Westbrook, Charles K.; Pitz, William J.; Oehlschlaeger, Matthew A.; Dayma, Guillaume; Curran, Henry J.; Dagaut, Philippe (Elsevier ScienceDirect, 2014-01-16)
      Iso-paraffinic molecular structures larger than seven carbon atoms in chain length are commonly found in conventional petroleum, Fischer-Tropsch (FT), and other alternative hydrocarbon fuels, but little research has been ...

    • A comprehensive experimental and improved kinetic modeling study on the pyrolysis and oxidation of propyne 

      Panigrahy, Snehasish; Liang, Jinhu; Nagaraja, Shashank S.; Zuo, Zhaohong; Kim, Gihun; Dong, Shijun; Kukkadapu, Goutham; Pitz, William J.; Vasu, Subith S.; Curran, Henry J. (Elsevier, 2020-09-15)
      To improve our understanding of the combustion characteristics of propyne, new experimental data for ignition delay times (IDTs), pyrolysis speciation profiles and flame speed measurements are presented in this study. IDTs ...

    • A comprehensive experimental and kinetic modeling study of 1-and 2-pentene 

      Dong, Shijun; Zhang, Kuiwen; Ninnemann, Erik M.; Najjar, Ahmed; Kukkadapu, Goutham; Baker, Jessica; Arafin, Farhan; Wang, Zhandong; Pitz, William J.; Vasu, Subith S.; Sarathy, S. Mani; Senecal, Peter K.; Curran, Henry J. (Elsevier, 2020-10-15)
      1- and 2-pentene are components in gasoline and are also used as representative alkene components in gasoline surrogate fuels. Most of the available ignition delay time data in the literature for these fuels are limited ...

    • A comprehensive experimental and kinetic modeling study of 1-hexene 

      Dong, Shijun; Aul, Christopher; Gregoire, Claire; Cooper, Sean P.; Mathieu, Olivier; Petersen, Eric L.; Rodriguez, Jose; Mauss, Fabian; Wagno, Scott W.; Kukkadapu, Goutham; Pitz, William J.; Curran, Henry J. (Elsevier, 2021-06-13)
      It is important to understand the low-temperature chemistry of 1-hexene as it is used as a representative alkene component in gasoline surrogate fuels. Ignition delay times (IDTs) of 1-hexene measured in rapid compression ...

    • A comprehensive iso-octane combustion model with improved thermochemistry and chemical kinetics 

      Atef, Nour; Kukkadapu, Goutham; Mohamed, Samah Y.; Al Rashidi, Mariam J.; Al Rashidi, Mariam; Banyon, Colin; Mehl, Marco; Heufer, Karl Alexander; Nasir, Ehson F.; Alfazazi, A.; Das, Apurba K.; Westbrook, Charles K.; Pitz, William J.; Lu, Tianfeng; Farooq, Aamir; Sung, Chih-Jen; Curran, Henry J.; Sarathy, S. Mani (Elsevier, 2017-02-05)
      Iso-Octane (2,2,4-trimethylpentane) is a primary reference fuel and an important component of gasoline fuels. Moreover, it is a key component used in surrogates to study the ignition and burning characteristics of gasoline ...

    • Cyclopentane combustion. Part II. Ignition delay measurements and mechanism validation 

      Al Rashidi, Mariam J.; Mármol, Juan C.; Banyon, Colin; Sajid, Muhammad B.; Mehl, Marco; Pitz, William J.; Mohamed, Samah; Alfazazi, Adamu; Lu, Tianfeng; Curran, Henry J.; Farooq, Aamir; Sarathy, S. Mani (Elsevier, 2017-06-12)
      This study reports cyclopentane ignition delay measurements over a wide range of conditions. The measurements were obtained using two shock tubes and a rapid compression machine, and were used to test a detailed low- and ...

    • A detailed chemical kinetic modeling and experimental investigation of the low- and high-temperature chemistry of n-butylcyclohexane 

      Pitz, William J.; Liang, Jinhu; Kukkadapu, Goutham; Zhang, Kuiwen; Conroy, Christine; Bugler, John; Curran, Henry J. (Wiley, 2020-11-26)
      Chemical kinetic models of gasoline, jet, and diesel fuels and their mixtures with bioderived fuels are needed to assess fuel property effects on efficiency, emissions, and other performance metrics in internal combustion ...

    • Experimental and kinetic modeling study of 2-methyl-2-butene: allylic hydrocarbon kinetics 

      Westbrook, Charles K.; Pitz, William J.; Mehl, Marco; Glaude, Pierre-Alexandre; Herbinet, Olivier; Bax, Sarah; Battin-Leclerc, Frederique; Mathieu, Olivier; Petersen, Eric L.; Bugler, John; Curran, Henry J. (American Chemical Society, 2015-03-20)
      Two experimental studies have been carried out on the oxidation of 2-methyl-2-butene, one measuring ignition delay times behind reflected shock waves in a stainless steel shock tube, and the other measuring fuel, intermediate, ...

    • Experimental and kinetic modeling study of 3-Methyl-2-butenol (Prenol) oxidation 

      Lokachari, Nitin; Wagnon, Scott W.; Kukkadapu, Goutham; Pitz, William J.; Curran, Henry J. (American Chemical Society, 2021-08-19)
      Longer chain alcohols with 4–5 carbon atoms are attractive alternative fuels as they can be derived from biological sources and since their combustion leads to lower exhaust gas levels of NOx and soot compared to commercial ...

    • An experimental and kinetic modeling study of cyclopentane and dimethyl ether blends 

      Lokachari, Nitin; Wagnon, Scott W.; Kukkadapu, Goutham; Pitz, William J.; Curran, Henry J. (Elsevier, 2020-11-13)
      Cyclopentane is a suitable naphthene, or cycloalkane, in a palette for multi-component gasoline surro- gate fuels due to its presence in market fuels and its relevance to alkyl substituted cyclopentanes also present. ...

    • An experimental and kinetic modeling study of the oxidation of hexane isomers: Developing consistent reaction rate rules for alkanes 

      Kuiwen, Zhang; Banyon, Colin; Burke, Ultan; Kukkadapu, Goutham; Wagnon, Scott W.; Mehl, Marco; Curran, Henry J.; Westbrook, Charles K.; Pitz, William J. (Elsevier, 2019-05-09)
      Alkanes are key components in gasoline, jet and diesel fuels and considerably influence the combustion behavior of these fuels because of their wide range of reactivity. An improved understanding of their combustion behavior ...

    • Experimental and kinetic modeling study of the shock tube ignition of a large oxygenated fuel: tri-propylene glycol mono-methyl ether 

      Burke, Ultan; Pitz, William J.; Curran, Henry J. (Elsevier, 2015-05-13)
      Tri-propylene glycol monomethyl ether (TPGME) is an important oxygenated fuel additive that can be used to reduce soot in diesel engines. However, a validated chemical kinetic model that incorporates the low- to high-temperature ...

    • An experimental and modeling study of diethyl carbonate oxidation 

      Nakamura, Hisashi; Curran, Henry J.; Córdoba, Angel Polo; Pitz, William J.; Dagaut, Philippe; Togbé, Casimir; Sarathy, S. Mani; Mehl, Marco; Agudelo, John R.; Bustamante, Felipe (Elsevier ScienceDirect, 2015-01-19)
      Diethyl carbonate (DEC) is an attractive biofuel that can be used to displace petroleum-derived diesel fuel, thereby reducing CO2 and particulate emissions from diesel engines. A better understanding of DEC combustion ...

    • An experimental and modeling study of shock tube and rapid compression machine ignition of n-butylbenzene/air mixtures 

      Nakamura, Hisashi; Darcy, Daniel; Mehl, Marco; Tobin, Colin J.; Metcalfe, Wayne K.; Pitz, William J.; Westbrook, Charles K.; Curran, Henry J. (Elsevier, 2013-08-28)
      In our previous work (D. Darcy, C.J. Tobin, K. Yasunaga, J.M. Simmie, J. Wurmel, W.K. Metcalfe, T. Niass, S.S. Ahmed, C.K. Westbrook, H.J. Curran, Combust. Flame 159 (2012) 2219-2232), ignition delay times of n-butylbenzene ...

    • An experimental and modeling study of surrogate mixtures of n-propyl- and n-butylbenzene in n-heptane to simulate n-decylbenzene ignition 

      Darcy, D,Nakamura, H,Tobin, CJ,Mehl, M,Metcalfe, WK,Pitz, WJ,Westbrook, CK,Curran, HJ; Darcy, Daniel; Nakamura, Hisashi; Tobin, Colin J.; Mehl, Marco; Metcalfe, Wayne K.; Pitz, William J.; Westbrook, Charles K.; Curran, Henry J. (Elsevier ScienceDirect, 2014-01-11)
      This paper presents experimental data for the oxidation of two surrogates for the large alkylbenzene class of compounds contained in diesel fuels, namely n-decylbenzene. A 57:43 molar% mixture of n-propylbenzene:n-heptane ...

    • An experimental and modeling study of the shock tube ignition of a mixture of n-heptane and n-propylbenzene as a surrogate for a large alkyl benzene 

      Darcy, Daniel; Mehl, Marco; Simmie, John M.; Würmel, Judith; Westbrook, Charles K.; Pitz, William J. (Elsevier ScienceDirect, 2012-07-11)
      Alkyl aromatics are an important chemical class in gasoline, jet and diesel fuels. In the present work, an n-propylbenzene and n-heptane mixture is studied as a possible surrogate for large alkyl benzenes contained in ...

    • An experimental, theoretical, and modeling study of the ignition behavior of cyclopentanone 

      Zhang, Kuiwen; Lokachari, Nitin; Ninnemann, Erik; Khanniche, Sarah; Green, William H.; Curran, Henry J.; Vasu, Subith S.; Pitz, William J. (Elsevier, 2018-07-05)
      The ignition delay times of cyclopentanone in air were measured using a high pressure shock tube (HPST) and a rapid compression machine (RCM) over the temperature range of 794-1368 K at P = 15 and 30 bar and at equivalence ...

    • A hierarchical single-pulse shock tube pyrolysis study of C-2-C-6 1-alkenes 

      Nagaraja, Shashank S.; Liang, Jinhu; Dong, Shijun; Panigrahy, Snehasish; Sahu, Amrit; Kukkadapu, Goutham; Wagnon, Scott W.; Pitz, William J.; Curran, Henry J. (Elsevier, 2020-06-27)
      A single-pulse shock tube study of the pyrolysis of 2% C-2 - C-6 1-alkenes is presented at 2 bar in the tem-perature range 900-1800 K in the current study. Reactant, intermediate and product species are obtained and ...

    • A high-pressure rapid compression machine study of n-propylbenzene ignition 

      Darcy, Daniel; Tobin, Colin; Metcalfe, Wayne; Pitz, William J.; Nakamura, Hisashi; Westbrook, Charles K.; Curran, Henry J. (Elsevier ScienceDirect, 2013-08-28)
      This study presents new ignition delay data measured in a rapid compression machine over a wide range temperature, pressure and fuel/air ratio. This data is an extension of that measured previously (D. Darcy, C.J. Tobin, ...