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Showing 1 to 20 of 33 for “"Kinetic mechanism"”.

  1. Measurement of ignition delay time of jet fuels in shock tube for the development of the chemical kinetic mechanism

    Yoon, SunghoUniversity of Illinois Urbana-Champaign2025

    Reliable yet tractable kinetic mechanisms for real aviation fuels are essential for predictive simulations of advanced combustors, and this thesis develops an F-24–specific HyChem mechanism by combining new experiments in a high-pressure shock tube with regularization-constrained, data-driven …

    uiuc Repository record

  2. Autoignition and flame speed of premixed liquefied petroleum gas in a rapid compression machine: experimental results and reduced chemical kinetic mechanism

    Slunecka, Colin, author, Olsen, Daniel, advisor, Marchese, Anthony, advisor, Windom, Bret, committee member, von Fischer, Joe, committee memberColorado State University. Libraries2023

    … using Chemkin-Pro with several detailed chemical kinetic mechanisms to determine their suitability at predicting ignition delay periods. Multiple reduced chemical kinetic mechanisms were created from the NUIGMech1.1 mechanism to determine the optimal balance between accuracy and computational …

    colostate Repository record

  3. Two-Dimensional Modeling of AP/HTPB Utilizing a Vorticity Formulation and One-Dimensional Modeling of AP and ADN

    Gross, Matthew L.2007

    … oxidizer, ammonium perchlorate (AP). Detailed kinetic mechanisms have been utilized to model the combustion of the monopropellants AP and ADN, and a two-dimensional diffusion flame model has been developed to examine the flame structure above an AP/HTPB composite propellant. This work was part …

    byu Repository record

  4. Functional and mechanistic studies of human mitochondrial carriers

    Cimadamore-Werthein, CamilaUniversity of Cambridge2023

    … substrate binding and proton coupling, and the kinetic mechanism. The aim of this thesis was to address some of these controversies by understanding the properties of specific proteins, and by extension the mitochondrial carrier family as a whole. To that end, the verification of SLC25A51 as a …

    cambridge Repository record

  5. Ignition delay of oxygenated fuel droplets: development of a 1 second drop tower and initial 1-g test results

    Hammill, Matthew2016

    … But until that time when a thorough chemical kinetic mechanism is developed for biodiesel, a means in which to lower NO<sub>x</sub> emissions will continue to elude the scientific community.</p> <p>Unfortunately, the chemical makeup of most biodiesel fuels is very complex. Instead, surrogate …

    rowan Repository record

  6. Development and validation of a combustion model for a fuel cell off-gas burner

    Collins, William TristanUniversity of Cambridge2008

    … was the development of a reduced H2/CO/N2 kinetic mechanism; from a starting mechanism of 30 species to 10 and 116 reactions to 6. The results of laminar opposed-flow diffusion flames have been used to validate the reduced mechanism. Several different turbulent combustion models have been …

    cambridge Repository record

  7. Electric field effects on chemi-ionization in droplet burning

    Patyal, AdvityaUniversity of Illinois at Urbana-Champaign2013

    … 1-D configuration. A reduced 3-step chemical kinetic mechanism is proposed to capture the production and destruction of ions inside the flame, which is then used for conducting analytical and numerical investigations. Large activation energy asymptotics were used to study the flame structure …

    uiuc Repository record

  8. Multiscale modeling of thin film deposition processes

    Kim, Gwang-Soo, 1975-Massachusetts Institute of Technology2002

    … industry. The ion fluxes with high kinetic energies in IPVD process involve complex surface interactions that affect overall topology of the microscale features. Copper ECD process involves complex surface reactions and transport phenomena that ranges over different length scales. In …

    mit Repository record

  9. The glutathione S-transferases : kinetics, binding and inhibition

    Goold, Richard DavidDivision of Medical Biochemistry and Structural Biology1989

    … and sensitivities to inhibitors. The kinetic mechanism of the GSH S-transferases is controversial, due to the observation of non-Michaelian (non-hyperbolic) substrate-rate saturation curves. The most detailed investigations of the steady-state kinetics of glutathione S-transferase have …

    cape-town Repository record

  10. Predictive modeling of combustion processes

    Sharma, Sandeep, Ph. D. Massachusetts Institute of TechnologyMassachusetts Institute of Technology2009

    … approach and developed the software Reaction Mechanism Generator (RMG), which generates chemical mechanism for oxidation and pyrolysis of a given fuel under a set of user-defined physical conditions. RMG uses group additivity values to generate thermochemistry of molecules and has a database …

    mit Repository record

  11. An experimental study of OH uptake by surfaces of tropospheric importance under dry and wet conditions

    Park, Jong-Ho, 1973-Massachusetts Institute of Technology2008

    … the rate-determining step in the reaction mechanism of heterogeneous OH uptake. This segregation effect explains why the RH effect on OH uptake by sea salt is determined by MgCl2 rather than NaC1. Experimental evidence suggests that adsorbed water on the surfaces of SiO2 and A1203 is …

    mit Repository record

  12. INTERACTION OF CIBACRON BLUE 3G-A AND RELATED DYES WITH NUCLEOTIDE-REQUIRING ENZYMES

    BEISSNER, ROBERT STEVENRice University1979

    … determined through both competitive inhibition kinetic studies and the use of dyed agarose matrixes that the major portion of Cibacron Blue 3G-A that is involved in its binding to the selected dehydrogenases and kinases studied is 1-amino-4(4'-aminophenylamino)anthraquinone-2,3'-disulfonic acid. …

    rice Repository record

  13. Single-molecule study of the DNA helicase regulating genomic stability

    Park, JeehaeUniversity of Illinois at Urbana-Champaign2012

    … translocating motor of which structure and kinetics are heavily studied for its kinetic mechanism. Utilizing the persistent reeling-in activity of PcrA, we conducted heterogeneity-free analysis and identified that the fundamental unit of translocation kinetics is a ‘one nucleotide uniform …

    uiuc Repository record

  14. Discovery Of Inactive E* Conformations In Thrombin And Other Vitamin K- Dependent Clotting Proteases

    Bah, Alaji2009

    … critical temporal and spatial regulatory mechanism of protease function. Catalytic activity of serine proteases belonging to Vitamin K-dependent clotting factors is significantly affected by Na+ through an allosteric mechanism. Over the past 30 years, structural and biochemical studies …

    wustl Repository record

  15. Mechanistic Studies of Peptidylglycine Alpha-Amidating Monooxygenase (PAM)

    McIntyre, Neil RDigital Commons @ University of South Florida2008

    … This effect was probed further by primary kinetic isotope effects and molecular dynamics to better resolve the mechanism for improved catalytic function. The 1°KIE showed a linear decrease with increasing chain length. Neither the minimal kinetic mechanism nor the maximal rate for substrate …

    usf Repository record

  16. Structural Analysis of the TOL pDK1 xylGFJQK Region and Partial Characterization of the xylF and xylG Gene Products

    Poulter, Melinda D.University of North Texas1999

    … with respect to substrate specificity and kinetic mechanism. Evidence was obtained suggesting that the HMSD reaction occurs via a steady state ordered mechanism or a random mechanism where binding of the first substrate effects the enzyme's affinity for the second substrate.

    unt Repository record

  17. Growth, structure and magnetic properties of magnetron sputtered FePt thin films

    Cantelli, ValentinaTechnische Universität Dresden

    … to (320 +/- 20)°C. By reducing the particle kinetic energy in Xe discharges, highly (001) preferential oriented L10 - FePt films were obtained on a-SiO2 after vacuum annealing. L10 - FePt nano-island formation was supported by the introduction of an Ag matrix, or by random ballistic …

    qucosa-diss

  18. Flavin-dependent Enzymes in Natural Product Biosynthesis

    Valentino, Hannah RachelVirginia Tech2021

    … nitrosuccinate. Both AsFMO and FzmM followed a kinetic mechanism representative of class B flavin-dependent monooxygenases with a rapid pro-R stereospecific reduction and the formation of a C(4a)-hydroperoxyflavin intermediate during oxidation. In addition, the AsFMO structure was obtained and …

    vt Repository record

  19. The Role of Transmembrane Domain Helix-Helix Interactions in the Function of Pentameric Ligand-Gated Ion Channels

    Therien, James Patrick DanielUniversité d'Ottawa / University of Ottawa2017

    … primarily via a conformational selection mechanism, membrane hydrophobic thickness influences function via a kinetic mechanism - thick membranes lower the activation energy between uncoupled and coupled conformations to promote conformational transitions. In the second part of my thesis, I …

    ottawa-retro Repository record

  20. Structure-Function Studies of the cAMP-Dependent Protein Kinase <i>In Vitro</i> and in Intact Cells

    Morris, Gary Z.2019

    … in mammals and regulates multiple physiological mechanisms such as the cell cycle, apoptosis, cell motility, energy metabolism, and gene transcription through a well-defined intracellular signaling pathway. While PKA clearly has a central physiological role it is still unclear how PKA mediates …

    odu Repository record

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