201–250 von 1,746 Ergebnissen
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    Structure and chemical kinetics of flames supported by solid propellant combustion

    Cor, Joseph J. / Branch, Melvyn C. | AIAA | 1995
    Verlag: The American Institute of Aeronautics and Astronautics

    Structural ultimate strength analysis of a first stage fan blade in a turbine jet engine RD-33

    Kozakiewicz, Adam / Kachel, Stanisław / Jóźwiak, Stanisław et al. | SAGE Publications | 2018
    factors the article presents the outcomes of chemical composition, morphology, and phase structure of metallic material used to produce first row ...

    Structural steel for the application in offshore, wind and hydro energy production: comparison of application and welding properties of frequently used materials

    Schröter, Falko | Tema Archiv | 2011
    Energy production by wind and hydropower sets demanding requirements on the steel grades used for structural applications. The question of ...

    Strength of lime-cement stabilized tropical lateritic clay contaminated by heavy metals

    Saeed, Khitam Abdulhussein / Kassim, Khairul Anuar / Nur, Hadi et al. | Springer Verlag | 2014
    different strength properties due to heavy metals that affect levels of chemical fixation in different contaminated soil mixes. This paper presents ...
    Verlag: Korean Society of Civil Engineers , Heidelberg

    Strength gain mechanisms of blended-cements containing marble powder and brick powder

    Kirgiz, Mehmet Serkan | Springer Verlag | 2014
    investigated in the presence of chemical composition changings of cement pastes. Blended Cements (BC) were prepared blending of 5% gypsum and 6%, 20 ...
    Verlag: Korean Society of Civil Engineers , Heidelberg
    Schlagwörter: chemical composition

      Strength gain mechanisms of blended-cements containing marble powder and brick powder

      Kirgiz, Mehmet Serkan | Online Contents | 2015
      Schlagwörter: chemical composition

    Strengthening materials specifications

    Sampath, K. | Tema Archiv | 2005
    approach to specify the chemical composition of high-performance welding electrodes for critical U.S. Navy applications. This approach helps to ...
    Schlagwörter: USA (United States of America)

    Strength and durability studies of fly ash concrete in sea water environments compared with normal and superplasticizer concrete

    Ramachandran, D. / George, R. P. / Vishwakarma, Vinita et al. | Springer Verlag | 2016
    Abstract The objective of this work was to get a holistic idea about the behavior of fly ash concrete exposed ...
    Verlag: Korean Society of Civil Engineers , Seoul

    Strength and Deformation Characteristics of Silty Sand improved by Gravel

    Chen, Ai-jun / Zhang, Jia-sheng | Springer Verlag | 2018
    Abstract Silty sand is a poor filler of highway and railway subgrade, and various physical and chemical ...
    Verlag: Korean Society of Civil Engineers , Seoul

    Strength and Corrosion Studies of Mortars Added with Pozzolan in Sulphate Ions Environment

    Martínez-Rosales, Roxana I. / Miranda-Vidales, Juana María / Narváez-Hernández, Lilia et al. | Springer Verlag | 2020
    to 25% without significant changes of the physical-chemical properties of the mortars. ...
    Verlag: Korean Society of Civil Engineers , Seoul

    Strain Damage Effects on Chemical Aging

    E. C. Francis / S. M. Breitling / C. H. Carlton | AIAA | 1980
    Verlag: The American Institute of Aeronautics and Astronautics

    Storage of hydrogen, methane, and carbon dioxide in highly porous covalent organic frameworks for clean energy applications

    Furukawa, Hiroyasu / Yaghi, Omar M. | Tema Archiv | 2009
    Dihydrogen, methane, and carbon dioxide isotherm measurements were performed at 1 bar to 85 bar and 77 K - 298 K on the evacuated forms of ...

    Stochastic Equilibrium Analysis to Optimize Solid Propellant Combustion Gas Composition

    Michalski, Quentin / Pudsey, Adrian | AIAA | 2024
    properties, composition, and heat of formation. The calculations are performed assuming adiabatic, isobaric chemical equilibrium on synthetic species ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Steady-state characteristics of oxygen concentration cell sensors subjected to nonequilibrium gas mixtures

    Anderson, J.E. / Graves, Y.B. | Tema Archiv | 1981
    deviations from chemical equilibrium actually exist in the bulk exhaust stream. This is accomplished through use of catalytic electrodes that are ...

    Statistical Analysis of Long-Term Aging Parameters of Laboratory- and Field-Aged Asphalt Binders Considering Rheological and Chemical Properties

    Jitong, Ding / Jiwang, Jiang / Fujian, Ni et al. | Transportation Research Record | 2023
    of long-term aging protocols on critical rheological and chemical parameters in the laboratory and field by focusing on the evaluation of ...

    Stationary premixed flames in spherical and cylindrical geometries

    Ronney, P. D. / Whaling, K. N. / Abbud-Madrid, A. et al. | NTRS | 1994
    ) environments in a drop tower and an aircraft flying parabolic trajectories to diminish the impact of buoyancy-induced convective flow. Flame balls were ...

    State-of-the-Practice Review on the Use of Flocculants for Construction Stormwater Management in the United States

    Kazaz, Billur / Perez, Michael A. / Donald, Wesley N. | Transportation Research Record | 2021
    that are responsible for causing elevated turbidity. Flocculation is a form of chemical treatment that uses flocculant particles as a binding ...

    State of charge estimation for lithium-ion batteries using dynamic neural network based on sine cosine algorithm

    Wei, Meng / Ye, Min / Li, Jia Bo et al. | SAGE Publications | 2022
    difficult problem owing to complex chemical reactions and nonlinear battery characteristics. In this paper, the method of the dynamic neural network ...
    Schlagwörter: state of charge

    State estimation for reactive Euler equation by Kalman Filtering

    Schäpel, Jan- Simon / Wolff, Sascha / Schulze, Philipp et al. | Springer Verlag | 2017
    combination with chemical kinetics is another focus of this contribution. ...

      State estimation for reactive Euler equation by Kalman Filtering

      Schäpel, Jan- Simon / Wolff, Sascha / Schulze, Philipp et al. | Online Contents | 2017
      Unscented Kalman Filter used to estimate quantities which are of interest for the combustion process inside the considered combustion tube, i.e ...

    Starting Pressure and Hysteresis Behavior of an Annular Injection Supersonic Ejector

    Kim, Sehoon / Kwon, Sejin | AIAA | 2008
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Lasers

    Stagnation-Point Aeroheating Correlations for Mars Entry

    West, Thomas K. / Brandis, A. M. | AIAA | 2020

    This work details the development of new stagnation-point aeroheating engineering correlations for Mars entry vehicles. Convective and

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

    Stabilization Techniques for Unpaved Roads

    Bushman, William H. / Freeman, Thomas E. / Hoppe, Edward J. | Transportation Research Record | 2005
    evaluated with the relatively new technique of deeply mixing chemical additives into unpaved roadbeds. This work is based on the construction of a ...

    Stabilization of the Highway Slope using Recycled Plastic Pins

    Khan, Mohammad Sadik / Hossain, MD Sahadat / Nobahar, Masoud | Transportation Research Record | 2021
    lightweight material and is less susceptible to chemical and biological degradation than the alternative reinforcing element. RPPs are driven into the ...

    Stabilization of Silty Sand with Nontraditional Additives

    Santoni, Rosa L. / Tingle, Jeb S. / Webster, Steve L. | Transportation Research Record | 2002

    A laboratory experiment was conducted to evaluate the stabilization of a silty- sand (SM) material with nontraditional chemical or

     ...

    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

    Specific Features of Thermochemical and Rate Processes on Destruction of Chemical Munnition

    Koren’kov, V. V. / Kulagin, Y. A. / Tokmakov, A. V. et al. | British Library Online Contents | 2005

    Special issue: 2022 Space Propulsion Conference

    Space Propulsion Conference | TIBKAT | 2023

    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 Weathering Experiments on Spacecraft Materials

      Engelhart, D. P. / Cooper, R. / Cowardin, H. et al. | Online Contents | 2019
      . The goal of the project is to better characterize changes in the optical properties of polymers found in multi-layered spacecraft insulation ...

    Space Shuttle externally induced environment compared with Skylab's natural environment

    Susko, Michael | NTRS | 1990
    Electret measurements obtained of the particulate contamination environment within the Space Shuttle Orbiter's cargo bay are presently ...

    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 ...

      Spacecraft ion propulsion development in the United Kingdom

      Fearn, D.G. | Tema Archiv | 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 simple considerations of combustion and gas dynamics in liquid propellant rocket motors

    Smith, E.T.B. | Engineering Index Backfile | 1953
    Rocket motors using liquid chemical bipropellants discussed with reference to problem of injection, mixing and combustion of propellants ...

    Some Limiting Factors of Chemical Rocket Motors

    Neat, W.N. | Online Contents | 2003

    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 recent progress in astronautics

    Maxwell, W.R. | Engineering Index Backfile | 1962
    Review of progress made with respect to launching vehicles and their propulsion systems relating to chemical rockets, use of liquid ...

    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