51–100 von 1,566 Ergebnissen
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    Uncertainty Quantification on the High-Temperature Kinetics of Dioxygen Dissociation and Oxygen Recombination

    Miki, Kenji | AIAA | 2017
    it is found that the estimated reaction rate is close to Park’s model (“Review of Chemical-Kinetic Problems of Future NASA Mission, I: Earth ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetic Problems , Chemical Equilibrium

    Uncertainty in maritime risk analysis: Extended case study on chemical tanker collisions

    Sormunen, Otto-Ville E / Goerlandt, Floris / Häkkinen, Jani et al. | SAGE Publications | 2015
    article discusses a case study dealing with risk analysis for a chemical spill in the Gulf of Finland and analyses the related uncertainties by ...
    Schlagwörter: Chemical tankers , Gulf of Finland

    Uncertainty and Sensitivity Analysis of Afterbody Radiative Heating Predictions for Earth Entry

    West, Thomas K. / Johnston, Christopher O. / Hosder, Serhat | AIAA | 2016
    level 2 and level 5 and rates of three chemical reactions influencing N ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Angle of Attack

    Uncertainty Analysis of Reaction Rates in a Finite-Rate Surface-Catalysis Model

    Sorensen, Cory / Valentini, Paolo / Schwartzentruber, Thomas E. | AIAA | 2012
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Energy

    Uncertainty Analysis of Radiative Heating Predictions for Titan Entry

    West, Thomas K. / Brune, Andrew J. / Hosder, Serhat et al. | AIAA | 2015
    chemical rate models, molecular band emission, and the excitation/deexcitation rates of molecules modeled with a non-Boltzmann approach. Because of ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Ultraviolet Fixation of Molecular Contamination: Physical Model Numerical Implementation and Validation

    Roussel, Jean-François / Vanhove, Emilie / Tondu, Thomas et al. | AIAA | 2016
    this model, the substrate excitation is followed by the reaction of adsorbed contaminants with excited sites. Contaminant chemical ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Ultra-lightweight Concrete Containing Expanded Poly-lactic Acid as Lightweight Aggregate

    Sayadi, Aliakbar / Neitzert, Thomas R. / Clifton, G. Charles et al. | Springer Verlag | 2018
    chemical reactivity of EPLA significantly changes the hydration products of concrete and causes concrete carbonation as well as the conversion of ...
    Verlag: Korean Society of Civil Engineers , Seoul

    Ultrafine Portland cement grouting performance with or without additives

    Mollamahmutoğlu, Murat / Avci, Eyübhan | Springer Verlag | 2014
    Abstract The aim of this experimental study was to investigate the penetrability of ultrafine Portland cement ...
    Verlag: Korean Society of Civil Engineers , Seoul

    Two-Temperature Modeling of Nonequilibrium Relaxation and Dissociation in Shock-Heated Oxygen

    Aiken, Timothy T. / Boyd, Iain D. | AIAA | 2023
    measured data from reflected shock tube experiments. A computationally efficient multistep technique is developed to model the unsteady dynamics of ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Thermochemistry and Chemical Kinetics

    Two-Dimensional Model for Liquid-Rocket Transverse Combustion Instability

    Sirignano, William A. / Popov, Pavel P. | AIAA | 2013
    circular combustion chamber are examined with the primary flow in the axial direction. Turbulent mixing of methane and gaseous oxygen with coaxial ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetics

    Two-Dimensional Boundary Layer Flow of Chemical Reaction MHD Fluid over a Shrinking Sheet with Suction and Injection

    Khan, Y. | ASCE | 2014

    In this paper, the steady two-dimensional boundary layer flow of chemical reaction magnetohydrodynamics (MHD

     ...
    Verlag: American Society of Civil Engineers

    Turbulent Radiation Statistics of Exhaust Plumes Exiting from a Subsonic Axisymmetric Nozzle

    Blunck, David / Harvazinski, Matthew / Rankin, Brent et al. | AIAA | 2012
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Turbulent Flow, Heat Transfer Deterioration, and Thermal Oxidation of Jet Fuel

    Jiang, Hua / Ervin, Jamie / West, Zachary et al. | AIAA | 2013
    representation of turbulent thermal and flow behavior studied in heated tube experiments conducted at supercritical pressure. Moreover, the ...
    Verlag: The American Institute of Aeronautics and Astronautics

    TURBULENCE EFFECTS IN CHEMICAL REACTION KINETICS MEASUREMENTS

    EBERSTEIN, I. J. / GLASSMAN, I. / SAGALYN, R. C. | AIAA | 1963
    Verlag: The American Institute of Aeronautics and Astronautics

    Turbulence and additive effects on ignition delay in supersonic combustion

    Tahsini, Amir M | SAGE Publications | 2013
    Numerical study of two-dimensional supersonic hydrogen–air mixing layer is performed to investigate the effects of turbulence and chemical ...

    Tribological Property of C/C-SiC Composites Fabricated by Isothermal Chemical Vapor Infiltration

    Freier Zugriff
    WANG Yueming / SHI Qilong | DOAJ | 2017
    Four kinds of C/C-SiC composites were fabricated by isothermal chemical vapor infiltration (ICVI), and the 2.5D needle-punching carbon felt ...
    Verlag: Journal of Aeronautical Materials

    Tribological Evaluation for an In-Depth Understanding of Improved Workability of Foamed Asphalt

    Bairgi, Biswajit K. / Mannan, Umme A. / Tarefder, Rafiqul A. | Transportation Research Record | 2019
    rheological and chemical properties. Test results show that the foaming process alters the frictional resistance of the foamed asphalts; specifically ...

    Trapped equivalence ratio determination in two-stroke engines

    Bajwa, Abdullah U / Patterson, Mark / Jacobs, Timothy J | SAGE Publications | 2023
    The chemical composition of the trapped fuel-air-residual gas mixture controls the nature of combustion in internal combustion engines and ...

    Transport Properties for the Chemical Oxygen-Iodine Laser

    Drew Copeland | AIAA | 2005
    Verlag: The American Institute of Aeronautics and Astronautics

    TRANSPORTATION OF COAL BY SEA AND RISKS ASSOCIATED WITH ITS TRANSPORTATION

    Freier Zugriff
    Sergey Yu. Nikolashin / Timur R. Khabirov | DOAJ | 2022
    appropriate risks on board, such as structural damage iz-za improper distribution of coal, chemical reaction leading to spontaneous combustion ...

    Transmission Loss of Spacecraft Optical Materials Due to Ultraviolet-Induced Contamination

    Suliga, Agnieszka / Bras, Bruno / Ergincan, Orcun et al. | AIAA | 2022
    demonstrated that UV exposure of contaminated surfaces, depending on the contamination source type, can result in chemical reactions and bonding of ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Exploitation of Meteorological Satellites

    Transition Between Different Initiation Structures of Wedge-Induced Oblique Detonations

    Zhang, Yining / Yang, Pengfei / Teng, Honghui et al. | AIAA | 2018
    . Moreover, various formation structures of wedge-induced oblique detonation waves have been revealed in recent numerical investigations. Given the ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetics

    Transient Computational Thermofluid-Dynamic Simulation of Hybrid Rocket Internal Ballistics

    Di Martino, G. D. / Carmicino, C. / Savino, R. | AIAA | 2017

    A computational thermofluid-dynamic model of hybrid rocket internal ballistics is developed. Numerical simulations of the flowfield in a

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

    TRANSFORMATION OF STRUCTURE DURING FRICTION STIR WELDING

    Freier Zugriff
    Igor Alex VAKULENKO / Sergey PLITCHENKO / Bulent KURT et al. | DOAJ | 2021
    In comparison with low carbon steels, there is increased interest in the use of aluminium-based alloys as materials for the manufacture of ...
    Verlag: Silesian University of Technology
    Schlagwörter: chemical compound

    Trajectory Optimization and Cost Estimation of Laser Propulsion Systems Considering Transmission Losses

    Takano, Seiichiro / Ishikawa, Kazuyoshi / Matsui, Makoto | AIAA | 2022
    were considered for the experience curve effect. The calculation indicated the cost of 267,000 launches was 29.1% of the cost of chemical ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Rocket , Chemical Propulsion

    Training for Environmental Risks in the Black Sea Basin

    Freier Zugriff
    F.V. Panaitescu / M. Panaitescu / I. Voicu et al. | DOAJ | 2014
    situations. It has the aim of training students to efficiently react to emergency situations such as a leak from a ship/chemical plant, fire ...

    Toward Fit-for-Purpose Certification of Road Additives

    Jones, D. | Transportation Research Record | 2003

    Chemical stabilizers and dust palliatives are widely used in road construction and maintenance to improve the characteristics and

     ...

    Toward Establishment of Industry Associations to Represent Nontraditional Road Stabilizer Suppliers

    Jones, David | Transportation Research Record | 2011
    like largely overlooked. Although considerable experimentation on a variety of chemical additives has been carried out since the early 1900s ...

    Topology optimization of gas flow channel routes in an automotive fuel cell

    Kim, C. / Sun, H. | Springer Verlag | 2012
    determine the optimum flow channel route in a fuel cell bipolar plate from first principles. This study describes the derivation and solution of new ...
    Verlag: The Korean Society of Automotive Engineers , Heidelberg

    Timescale-Based Frozen Nonadiabatic Flamelet Combustion Modeling for Rocket Engine Thrust Chambers

    Rahn, Daniel / Haidn, Oskar / Riedmann, Hendrik | AIAA | 2021
    variations of the underlying chemical effects, three flamelet combustion-modeling approaches of different manifold complexity are compared to high ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Time Domain Reflectometry for Compaction Control of Stabilized Soils

    Yu, Xiong / Drnevich, Vincent P. | Transportation Research Record | 2004

    Chemical stabilization is widely used in geotechnical engineering to improve the engineering properties of geomaterials. The interaction

     ...

    Time-Dependent Second-Order Viscoelastic Fluid Flow on Rotating Cone with Heat Generation and Chemical Reaction

    Saleem, Salman / Nadeem, Sohail / Awais, Muhammad | ASCE | 2016
    the presence of chemical reaction and heat generation or absorption effects under prescribed heat flux conditions. The boundary-layer ...
    Verlag: American Society of Civil Engineers

    Thrust Enhancement in Hypervelocity Nozzles by Chemical Catalysis

    D. J. Singh / Mark H. Carpenter / J. P. Drummond | AIAA | 1997
    Verlag: The American Institute of Aeronautics and Astronautics

    Thrust control of tethered satellite with a short constant tether in orbital maneuvering

    Zhao, Guowei / Sun, Liang / Huang, Hai | SAGE Publications | 2014
    Tethered satellite with chemical propulsion has broad application prospects in the space debris removal, the orbital transfer of space ...

    Three-Dimensional Printing of “Green” Fuels for Low-Cost Small Spacecraft Propulsion Systems

    Whitmore, Stephen A. | AIAA | 2017

    This paper details the advantages of employing modern additive manufacturing methods to fabricate hybrid rocket fuels for intrinsically

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

    Three-Dimensional Numerical Analysis of LOX/Kerosene Engine Exhaust Plume Flow Field Characteristics

    Freier Zugriff
    Hong-hua Cai / Wan-sheng Nie / Xin-lei Yang et al. | DOAJ | 2017
    numerical analysis of the effects of different chemical reaction mechanisms on LOX/kerosene engine exhaust plume flow field characteristics was ...

    Three-Dimensional Flow of Maxwell Fluid with Soret and Dufour Effects

    Bilal Ashraf, M. / Hayat, T. / Alhuthali, M. S. | ASCE | 2015
    stretching surface with convective boundary conditions. Analysis is carried out in the presence of mass transfer with first-order chemical reactions ...
    Verlag: American Society of Civil Engineers

    Threat Assessment of Hazardous Materials Transportation in Aircraft Cargo Compartments

    LaFrance-Linden, Dawn / Watson, Spencer / Haines, Marsha J. | Transportation Research Record | 2001
    , commercially available, and likely to be transported by air). The specific chemical, physical, and toxicological properties of these materials were ...

    The validation of a two-dimensional transient catalyst model for direct injection two-stroke applications

    McCullough, G / Douglas, R / Cunningham, G et al. | SAGE Publications | 2001
    This paper describes the detailed validation of a computer model designed to simulate the transient light-off in a two-stroke oxidation ...

    The Usability of Clay/Pumice Mixtures Modified with Biopolymer as an Impermeable Liner

    Kurt Albayrak, Zeynep Nese / Gencer, Gamze | Springer Verlag | 2021
    attempted to be improved with chemical additives. In this research, geotechnical properties of the specimens that had been obtained by mixing pumice ...
    Verlag: Korean Society of Civil Engineers , Seoul

    The Spectral Characterization of Novel Spacecraft Materials in the Low Earth Orbit Environment

    Plis, Elena A. / Badura, Gregory | Springer Verlag | 2024
    aggressive chemical species present in Earth's upper atmosphere. By gaining a thorough understanding of how these material properties evolve over the ...

    The role of psychological stress and prior experience in the use of personal protective equipment

    Dunbar, Edward | Elsevier | 1993
    subjective state change measure (SSCM) of PPE use. Participants, consisting of 141 emergency response team members of a chemical manufacturing ...

    Thermo-Structural Behaviour Prediction of the Nose Cap of a Hypersonic Vehicle Based on Multifield Coupling

    Freier Zugriff
    Xuewen Sun / Haibo Yang / Tao Mi | DOAJ | 2020
    chemical nonequilibrium of the flow field, heat transfer, and deformation of the structure, a fluid-thermal-structural coupling model of the ...

    Thermo-physical Properties and Mechanical Properties of Burn-resistant Titanium Alloy Ti40

    Freier Zugriff
    LAI Yunjin / ZHANG Pingxiang / ZHANG Saifei et al. | DOAJ | 2017
    As a functional material of burn-resistant titanium alloy, the physical properties of Ti40 alloy were first reported. The chemical ...
    Verlag: Journal of Aeronautical Materials

    Thermonuclear Operation Space Lift

    Winterberg, Friedwardt | AIAA | 2015

    The “Project Orion” small fission bomb propulsion concept proposed the one-stage launching of large payloads into low Earth orbit, but

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

    Thermomechanical Concepts and Modeling for Stability Physics in Liquid-Propellant Rocket Engines

    Kassoy, D. R. | AIAA | 2017

    Thermomechanical concepts and modeling are used to describe the response of inert and reactive gases to transient, spatially resolved

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

    Thermodynamics of chemical systems in external fields

    RASTOGI, P. | AIAA | 1976
    Verlag: The American Institute of Aeronautics and Astronautics

    Thermodynamics

    Puri, Ishwar K. | AIAA | 2013
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Thermodynamic Property Calculations for Equilibrium Mixtures

    Ewing, Mark E. / Isaac, Daron A. | AIAA | 2017

    Modeling of chemical equilibrium is fundamental to the analysis of rocket motors. Related modeling supports performance calculations

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

    Thermodynamic Properties of Hydroxylammonium Nitrate-Based Electric Solid Propellant Plasma

    Glascock, Matthew S. / Drew, Patrick D. / Rovey, Joshua L. et al. | AIAA | 2020

    Electric solid propellants are advanced solid chemical rocket propellants controlled by electric current. An electric solid propellant

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