151–200 von 1,261 Ergebnissen
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    Stabilization of Flue Gas Desulfurization By-Products with Fly Ash, Cement, and Sialite

    Liu, Xiaoming / Wen, Haifang / Edil, Tuncer et al. | Transportation Research Record | 2011
    , cement kiln dust, and sialite was also investigated. The chemical, physical, and mineralogical properties of FGD gypsum and FGD filter cake were ...

    Stabilization of Clay Soils with Nontraditional Additives

    Tingle, Jeb S. / Santoni, Rosa L. | Transportation Research Record | 2003

    A laboratory experiment was conducted to evaluate the stabilization of low- and high-plasticity clay soils with nontraditional chemical

     ...

    Stabilization Mechanisms of Nontraditional Additives

    Tingle, Jeb S. / Newman, J. Kent / Larson, Steve L. et al. | Transportation Research Record | 2007
    understanding of the chemical and physical bonding mechanisms associated with selected non-traditional stabilizers. The research consisted of conducting ...

    Stabilization mechanism for sands treated with organic acids

    Yee, Eric / Lee, Jonghwi / Kim, Younghun et al. | Springer Verlag | 2014
    . X-ray diffraction and chemical analyses do not suggest traditional pozzolanic reactions as the source of improvements in the treated ...
    Verlag: Korean Society of Civil Engineers , Heidelberg

    Stabilization Characteristics of Clays Using Class C Fly Ash

    Misra, Anil | Transportation Research Record | 1998
    its physical and chemical properties is significant for quality control. The statistical characteristics of fly ash physical and chemical ...

    Stability of Synthetic Calcium Silicate Hydrate Gels in Presence of Alkalis, Aluminum, and Soluble Silica

    García-Lodeiro, I. / Fernández-Jiménez, A. / Macphee, D. E. et al. | Transportation Research Record | 2010

    A study is described of the stability (chemical composition and nano-structural change) of a synthetic calcium silicate hydrate gel in

     ...

    Spontaneous and Triggered Longitudinal Combustion Instability in a Single-Injector Liquid-Rocket Combustor

    Nguyen, Tuan M. / Sirignano, William A. | AIAA | 2019
    recently developed axisymmetric compressible flow solver. Turbulence is treated using delayed detached-eddy simulation, whereas chemical reactions ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Spatiotemporal Population Distribution Method for Emergency Evacuation

    Case Study of New Orleans, Louisiana
    Bian, Ruijie / Wilmot, Chester G. | Transportation Research Record | 2015
    distribution by time of day, day of the week, and season of the year. Population is broken into six groups: residents, workers, students, stay-at-homes ...

    Spatial Transformations for Reacting Gas Shock Tube Experiments

    Clarke, Justin / Di Mare, Luca / McGilvray, Matthew | AIAA | 2023
    in a shock tube contains many flow nonuniformities, in particular boundary-layer effects. For the purpose of studying the properties of the ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Thermochemistry and Chemical Kinetics , Equations of Fluid Dynamics

    Spark ignition timing effects on a converted diesel engine using natural gas: A numerical study

    Aktas, Fatih | SAGE Publications | 2022
    systems using internal combustion engines has accelerated. At the forefront of these studies is the use of natural gas instead of diesel fuel in ...

    Space Weathering Experiments on Spacecraft Materials

    Engelhart, D. P. / Cooper, R. / Cowardin, H. et al. | Springer Verlag | 2019
    sensing was initiated in 2016. The goal of the project is to better characterize changes in the optical properties of polymers found in multi ...

    Space Environment Effects on the Electron Yields of Thermal Control Coatings

    Taylor, Trace / Robertson, Matthew / Allen, Heather et al. | AIAA | 2023

    Space-environment-induced degradation of white thermal control coatings from the Long Duration Exposure Facility (LDEF) was investigated

     ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Spacecraft optimization with combined chemical-electric propulsion

    Kluever, Craig A. | AIAA | 1995
    Verlag: The American Institute of Aeronautics and Astronautics

    Spacecraft ion propulsion development in the United Kingdom

    Fearn, D G | SAGE Publications | 1997
    The on-board propulsion system dominates the design of many spacecraft, particularly as regards mass and volume. However, the mass of this ...

    Soot and nitric oxide modeling in reacting diesel jets with an unsteady flamelet progress variable model

    Yen, May / Abraham, John | SAGE Publications | 2016
    In this work, computations of soot and nitric oxide in reacting diesel jets are carried out for a wide range of conditions by employing a ...

    Some Effects of Unstable Resonators on Performance of CW Chemical Lasers

    W. J. Glowacki / K.-Y. Chien / W. P. Altman | AIAA | 1978
    Verlag: The American Institute of Aeronautics and Astronautics

    Some considerations related to flight in dusty conditions

    IOS Press | 2014

    Volcanic ash eruptions and mineral dust injection into the atmosphere are of particular importance to the aviation industry. Ash and

     ...

    Some comments on the Dirac-delta approximations for chemical reactions

    ANNAMALAI, K. / DURBETAKI, P. | AIAA | 1976
    Verlag: The American Institute of Aeronautics and Astronautics

    Some Aspects of Chemical Kinetics in ChapmanJouguet Detonation: Induction Length Analysis

    Tianfeng Lu / Chung K. Law / Yiguang Ju | AIAA | 2003
    Verlag: The American Institute of Aeronautics and Astronautics

    Solubilities of gases in simple and complex propellants

    CHANG, E. T. / GOKCEN, N. A. / POSTON, T. M. | AIAA | 1969
    Verlag: The American Institute of Aeronautics and Astronautics

    Solid rocket exhaust in the stratosphere - Plume diffusion and chemical reactions

    Denison, M. R. / Lamb, John J. / Bjorndahl, William D. et al. | AIAA | 1994
    Verlag: The American Institute of Aeronautics and Astronautics

    Solid-propellant burning along a tube heated by combustion gas influx.

    CAVENY, L. H. | AIAA | 1967
    Verlag: The American Institute of Aeronautics and Astronautics

    Solid-phase reactions of a double-base propellant.

    DAUERMAN, L. / TAJIMA, Y. A. | AIAA | 1968
    Verlag: The American Institute of Aeronautics and Astronautics

    Solar Electric and Chemical Propulsion for a Titan Mission

    Michael Cupples / Shaun Green / Victoria Coverstone et al. | AIAA | 2006
    Verlag: The American Institute of Aeronautics and Astronautics

    Soil Suction and Behavior of Chemically Treated Clays

    Petry, Thomas M. / Jiang, Cheng-Ping | Transportation Research Record | 2007
    of expansive clay soils, but the effect of chemical treatment on the matric and osmotic suction of soils has not been investigated previously ...

    Slow-Burn Ammonium Perchlorate Propellants with Oxamide: Burn Rate Model, Testing, and Applications

    Vernacchia, Matthew T. / Mathesius, Kelly J. / Hansman, R. J. | AIAA | 2021
    ammonium perchlorate oxidizer and the burn rate suppressant oxamide. By varying the amount of oxamide (from 0 to 20%), burn rates from 4 to ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Single-Phase Instability in Non-Premixed Flames Under Liquid Rocket Engine Relevant Conditions

    Traxinger, Christoph / Zips, Julian / Pfitzner, Michael | AIAA | 2019

    Under rocket-relevant conditions, real-gas effects and thermodynamic nonidealities are prominent features of the flow field

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Simulations of Heat and Drag Reduction of Opposing Jet in Hypersonic Flow

    Wu, Qian / Huang, Haiming / Zhao, Yipu et al. | AIAA | 2023
    models, the Gupta chemical kinetics model, and the five-species air model are considered; and a numerical simulation program of hypersonic ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Conservation of Momentum Equations , Chemical Kinetics

    Simulations of gasoline engine combustion and emissions using a chemical-kinetics-based turbulent premixed combustion modeling approach

    Yang, Shiyou / Pomraning, Eric / Jia, Ming | SAGE Publications | 2017
    This work presents a turbulent premixed combustion modeling approach which is based on chemical kinetics. In this approach, the smallest ...
    Schlagwörter: chemical kinetics

    Simulation of oxidation catalyst converter for after-treatment in diesel engines

    Kabir, M. N. / Alginahi, Y. / Islam, K. | Springer Verlag | 2015
    Abstract In the diesel engine after-treatment system of motor vehicles, Diesel Oxidation Catalytic (DOC ...
    Verlag: The Korean Society of Automotive Engineers , Heidelberg

    Simulation-based evaluation of bottleneck in a CBR protective facility

    Park, Sun-Ho / Lee, Hyun-Soo / Park, Moonseo et al. | Springer Verlag | 2017
    Abstract As the possibility of a chemical, biological and radiological (CBR) attack increases, the ...
    Verlag: Korean Society of Civil Engineers , Seoul

    Simulated Dispersion of the Gas Released by the SpaceX Falcon9 Rocket Explosion

    Nascimento, Erick G. S. / Souza, Noéle B. P. / Kitagawa, Yasmin K. L. et al. | AIAA | 2018
    cloud), the simulation of the short-range dispersion (in the scale from minutes to a couple of hours), and the long-range and chemical transport ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Simplified Model of CW Diffusion-Type Chemical Laser

    H. MIRELS / R. HOFLAND AND MICHAEL G. DUNN | AIAA | 1973
    Verlag: The American Institute of Aeronautics and Astronautics

    Simplified model of a continuous wave diffusion-type chemical laser - An extension

    MIRELS, H. | AIAA | 1976
    Verlag: The American Institute of Aeronautics and Astronautics

    Simplified Approach to Identify Thermal Choking Limits of a Dual-Mode Variable Area Combustor

    Rahimi, M. J. / Chelliah, H. K. | AIAA | 2018
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Simple model for base pressure effects in source flow chemical lasers

    PATTERSON, K. E. / BATTEH, J. H. / HOWIE, S. S. | AIAA | 1983
    Verlag: The American Institute of Aeronautics and Astronautics

    Simple Method to Identify Marl Soils

    Jung, Chulmin / Bobet, Antonio / Siddiki, Nayyar Zia | Transportation Research Record | 2011
    . The percentage of CaCO3 determined from the sequential LOI tests agreed well with those from the TGA tests and from the chemical ...

    Similarity and Scaling in a Liquid-Fuel Ramjet Combustor

    Riska, Elisabeth / Gany, Alon | AIAA | 2023
    series of similarity rules resulting in pressure–diameter scaling. The scaling model was evaluated using Cantera chemical kinetics software and ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Gas Phase Chemical Kinetics , Degree of Reaction

    Significance of nonequilibrium conductivity on plasma engine performance.

    DIMMOCK, T. H. | AIAA | 1966
    Verlag: The American Institute of Aeronautics and Astronautics

    Short wavelength chemical lasers

    JEFFERS, WILLIAM Q. | AIAA | 1989
    Verlag: The American Institute of Aeronautics and Astronautics

    Shock-Tube Measurements of Carbon Monoxide During Combustion of Hydroxyl-Terminated Polybutadiene Products/Air

    Higgs, Jacklyn P. / Pellegrini, Juan Cruz / Rahman, Ramees K. et al. | AIAA | 2024
    and the improvement of SFRJ combustion can be accomplished through fundamental experiments and computational fluid dynamics modeling. The ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetics

    Shock tube ignition delay studies of endothermic fuels.

    HAWTHORN, R. D. / NIXON, A. C. | AIAA | 1966
    Verlag: The American Institute of Aeronautics and Astronautics

    Shock Tube Experimental Studies on CH * /Visible Light/Pressure as Ignition Delay Criteria

    Xiong, X. H. / Ding, Y. J. / Li, Q. et al. | AIAA | 2017

    Ignition delay time is a key parameter in evaluating the ignition processes of fuel mixtures. By using shock tube experiments, this

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Self-compacting concrete using Marble Sludge Powder and Crushed Rock Dust

    Hameed, M. Shahul / Sekar, A. S. S. / Balamurugan, L. et al. | Springer Verlag | 2012
    and CRD on the strength and durability of SCC. The study on physical, chemical and mechanical properties such as compressive strength and ...
    Verlag: Korean Society of Civil Engineers , Heidelberg

    Selection and Use of Locally Available Pavement Materials for Low-Volume Roads in Western Australia

    Emery, Stephen / Cocks, Geoff / Keeley, Ross | Transportation Research Record | 2007

    In many countries locally available granular materials are an important source for the base course and subbase in the construction of

     ...

    Seismic performance of repaired severely damaged precast columns with high-fiber reinforced cementitious composites

    Shim, Changsu / Koem, Chandara / Song, HyunHae et al. | Springer Verlag | 2017
    adopted. The jacket section had additional details of chemical anchors into the foundation and additional transverse reinforcing bars in the ...
    Verlag: Korean Society of Civil Engineers , Seoul

    Sediment-associated nutrient transport during floods in a gravel river

    Toda, Yuji / Ikeda, Syunsuke / Kumagai, Kentaro | Springer Verlag | 2005
    flood plain in a gravel river. In the observation, the grain size distribution and the chemical composition of the flood plain soils were ...
    Verlag: Korean Society of Civil Engineers , Seoul
    Schlagwörter: grain size distribution of soil

    Scramjet Engine Flowpath That Improves Specific Impulse Using JP-7 Fuel

    Choi, Yunseok / Driscoll, James F. | AIAA | 2023

    A flowpath geometry was computed that improves the specific impulse of a dual-mode scramjet engine in a generic X-51 hypersonic vehicle

     ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Scattering of radiation by particle layers.

    FAHIMIAN, E. J. | AIAA | 1968
    Verlag: The American Institute of Aeronautics and Astronautics

    Scanning Transmission X-Ray Microscopic Study of Carbonated Calcium Silicate Hydrate

    Ha, J. / Chae, S. / Chou, K. W. et al. | Transportation Research Record | 2010

    Calcium silicate hydrate (C-S-H) is the main hydration product of portland cement. Studying the structural and chemical decomposition of

     ...