51–100 of 1,949 hits
|

    Use of Ash in Hot Dense Mixtures

    Alternative to Reduce Environmental Liabilities
    Serrano-Guzmán, Maria Fernanda / Pérez-Ruiz, Diego Dario / Vanegas, Norma Cristina Solarte | Transportation Research Record | 2015
    disposal costs. An experimental study was undertaken to investigate the use of these ashes as a replacement for mineral filler in hot-mix asphalt ...

    Use of a Lithium-Bearing Admixture To Suppress Expansion in Concrete Due to Alkali-Silica Reaction

    Thomas, Michael D. A. / Stokes, David B. | Transportation Research Record | 1999
    mineral admixture as well as a chemical suppressant of alkali-silica reactivity. Laboratory testing included pore solution studies of pastes and ...

    Use of Accelerated Aging to Predict Behavior of Recycled Materials in Concrete Pavements: Physical and Environmental Comparison of Laboratory-Aged Samples with Field Pavements

    Taylor Eighmy, T. / Cook, Raymond A. / Gress, David L. et al. | Transportation Research Record | 2002
    were used to examine the pavement slab and the aged laboratory prisms. The aging protocol affected both physical and chemical properties of the ...

    Unsteady Simulations of Rocket Plume Expansions in Geostationary Earth Orbit

    Weaver, Andrew B. / Boyd, Iain D. | AIAA | 2017

    Unsteady, direct simulation Monte Carlo/particle-in-cell simulations of rocket plume expansions into the magnetosphere at geostationary

     ...
    Publisher: The American Institute of Aeronautics and Astronautics
    Keywords: Chemical Rocket

      Unsteady Simulations of Rocket Plume Expansions in Geostationary Earth Orbit

      Weaver, Andrew B | Online Contents | 2017
      Unsteady, direct simulation Monte Carlo/particle-in-cell simulations of rocket plume expansions into the magnetosphere at geostationary ...

    Unsteady Combustor Physics

    Maas, Ulrich | AIAA | 2014
    Publisher: The American Institute of Aeronautics and Astronautics
    Keywords: Chemical Kinetics

    Unpaved Road Dust Control in the Piceance Creek Basin in Rio Blanco County, Colorado

    Sanders, Thomas G. / Quayenortey, Jonathan A. / Jorgensen, Dan | ASCE | 2014
    initiated to investigate the effectiveness of several chemical dust suppressants in reducing dust emissions, thus prolonging the intervals between ...
    Publisher: American Society of Civil Engineers

    Unpaved Road Dust Control in the Piceance Creek Basin in Rio Blanco County, Colorado

    Jorgensen, Dan | Online Contents | 2015
    investigate the effectiveness of several chemical dust suppressants in reducing dust emissions, thus prolonging the intervals between periodic ...

    Unpaved Road Dust Control in the Piceance Creek Basin in Rio Blanco County, Colorado

    Thomas G Sanders | Online Contents | 2015
    investigate the effectiveness of several chemical dust suppressants in reducing dust emissions, thus prolonging the intervals between periodic ...

    Unmanned planetary spacecraft chemical rocket propulsion.

    BURLAGE, H. / GIN, W. / RIEBLING, R. W. | AIAA | 1972
    Publisher: The American Institute of Aeronautics and Astronautics

    Unmanned planetary spacecraft chemical rocket propulsion.

    Burlage, H., Jr. / Gin, W. / Riebling, R. W. | NTRS | 1972
    Review of some chemical propulsion technology advances suitable for future unmanned spacecraft applications. Discussed system varieties ...

    Uniform Thin Films on Optical Fibers by Plasma-Enhanced Chemical Vapor Deposition: Fabrication, Mie Scattering Characterization, and Application to Microresonators

    Naqvi, Zeba | British Library Online Contents | 2018
    Publisher: IEEE INSTITUTE OF ELECTRICAL AND ELECTRONICS

      Uniform Thin Films on Optical Fibers by Plasma-Enhanced Chemical Vapor Deposition: Fabrication, Mie Scattering Characterization, and Application to Microresonators

      Naqvi, Z. / Green, M. / Smith, K. et al. | British Library Online Contents | 2018
      Publisher: IEEE INSTITUTE OF ELECTRICAL AND ELECTRONICS

      Uniform Thin Films on Optical Fibers by Plasma-Enhanced Chemical Vapor Deposition: Fabrication, Mie Scattering Characterization, and Application to Microresonators

      Naqvi, Zeba / Green, Mark / Smith, Krista et al. | British Library Online Contents | 2018
      Publisher: IEEE INSTITUTE OF ELECTRICAL AND ELECTRONICS

    Unified Approach for Meso-Informed Burn Models in Shocked Energetic Materials

    Udaykumar, H. S. / Sen, Oishik / Lee, Sangyup et al. | AIAA | 2020
    models. One requirement of burn models is to supply a macroscale control volume with an energy release rate due to chemical reactions that ...
    Publisher: The American Institute of Aeronautics and Astronautics
    Keywords: Chemical Energy

    Unified Analysis of Internal Flowfield in an Integrated Rocket Ramjet Engine. I: Transition from Rocket Booster to Ramjet Sustainer

    Sung, Hong-Gye / Yang, Vigor | ASCE | 2012
    -ramjet (IRR) propulsion system. The study consists of two parts: transition from the rocket booster to the ramjet sustainer and combustion ...
    Publisher: American Society of Civil Engineers

    Understanding the Sensitivity of Mixture Cracking Performance Tests to Binder Properties and Long-Term Aging

    Elwardany, Michael / Veginati, Varun / Andriescu, Adrian et al. | Transportation Research Record | 2023
    , chemical, rheological, and fracture properties were obtained from extracted binders to obtain a better understanding of the impact of binder ...

    Understanding of controlled autoignition combustion in a four-stroke gasoline engine

    Zhao, H / Peng, Z / Ladommatos, N | SAGE Publications | 2001
    and particulate emissions. Since CAI combustion is a process dominated by chemical kinetics of the fuel-air mixture, an engine simulation ...

    Unconfined compressive strength of clayey soils stabilized with waterborne polymer

    Naeini, Seyed Abolhassan / Naderinia, Bahman / Izadi, Ehsan | Springer Verlag | 2012
    Abstract Improvement and stabilization of soils are widely used as an alternative to substitute the lacking of ...
    Publisher: Korean Society of Civil Engineers , Heidelberg

    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 ...
    Keywords: Chemical tankers , Gulf of Finland

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

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

      Roussel, Jean-François | Online Contents | 2016
      this model, the substrate excitation is followed by the reaction of adsorbed contaminants with excited sites. Contaminant chemical ...

    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 ...
    Publisher: Korean Society of Civil Engineers , Seoul

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

      Sayadi, Aliakbar / Neitzert, Thomas R. / Clifton, G. Charles et al. | Online Contents | 2018
      that the properties of EPLA concrete are mainly influenced by the volume of EPLA and curing conditions. The chemical reactivity of EPLA ...
      Publisher: Korean Society of Civil Engineers , Springer , [Berlin

    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 ...
    Publisher: Korean Society of Civil Engineers , Seoul

    Tyres: destination end

    Ramirez-Hernandez, Aurelio / Conde-Acevedo, Jorge | Tema Archive | 2013
    effectively proposed. Between the proposed methods, those that are highlighted are thermal degradation, chemical degradation, recycling and usage of ...

    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 ...
    Publisher: The American Institute of Aeronautics and Astronautics
    Keywords: 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

     ...
    Publisher: American Society of Civil Engineers

    TURBULENCE EFFECTS IN CHEMICAL REACTION KINETICS MEASUREMENTS

    EBERSTEIN, I. J. / GLASSMAN, I. / SAGALYN, R. C. | AIAA | 1963
    Publisher: 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

    Free access
    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 ...
    Publisher: 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 ...

    Tribochemistry on clutch friction material lubricated by automatic transmission fluids and the link to frictional performance

    Zhao, Hongyuan / Morina, Ardian / Neville, Anne et al. | Tema Archive | 2013
    proposed pathways of additive decompositions by using chemical bond dissociation energy comparisons. ...

    Treatment of injured person when contaminated by chemical substance

    Ribordy, P. / Ljungquist, A. / International Association of Accident and Traffic Medicine | British Library Conference Proceedings | 2000

    Treatment of automotive exhaust gases by high-speed electrons

    Zhou, Xiaojian / Bai, Min-Dong / Zhang, Zhitao et al. | Tema Archive | 2003
    narrow discharge gap. Electrons accelerated by this field can gain 16 eV average energy, which is higher than the chemical bonding energy of CO ...

    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 ...

    TRANSPORTATION OF COAL BY SEA AND RISKS ASSOCIATED WITH ITS TRANSPORTATION

    Free access
    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 ...
    Publisher: The American Institute of Aeronautics and Astronautics
    Keywords: 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 ...
    Publisher: The American Institute of Aeronautics and Astronautics
    Keywords: Chemical Kinetics

    Transient photoconductivity in azulene single crystals

    Sonnonstine, T. J. / Wiglesworth, A. / Hermann, A. M. | NTRS | 1973

    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

     ...
    Publisher: The American Institute of Aeronautics and Astronautics
    Keywords: Chemical Equilibrium

      Transient Computational Thermofluid-Dynamic Simulation of Hybrid Rocket Internal Ballistics

      Di Martino, G. D | Online Contents | 2017
      A computational thermofluid-dynamic model of hybrid rocket internal ballistics is developed. Numerical simulations of the flowfield in a ...

    TRANSFORMATION OF STRUCTURE DURING FRICTION STIR WELDING

    Free access
    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 ...
    Publisher: Silesian University of Technology
    Keywords: 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 ...
    Publisher: The American Institute of Aeronautics and Astronautics
    Keywords: Chemical Rocket , Chemical Propulsion

    Training for Environmental Risks in the Black Sea Basin

    Free access
    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 ...
    Publisher: The Korean Society of Automotive Engineers , Heidelberg

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

      Kim, C. / Sun, H. | Online Contents | 2012
      channel route in a fuel cell bipolar plate from first principles. This study describes the derivation and solution of new mathematical equations ...
      Publisher: The Korean Society of Automotive Engineers , KSAE , Sŏul

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

    Time-resolved ammonia measurement in vehicle exhaust

    Mohn, Joachim / Forss, Anna-Maria / Bruhlmann, Stefan et al. | Tema Archive | 2004
    The objective of this study was to identify the influence of sampling and analytical approach on the quality of NH3 emission ...

    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 ...
    Publisher: American Society of Civil Engineers

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

    Nadeem, Sohail | Online Contents | 2016
    AbstractThe present analysis deals with the study of time-dependent flow of a second-order fluid on a rotating cone in the presence of ...

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

      Nadeem, Sohail | Online Contents | 2016
      AbstractThe present analysis deals with the study of time-dependent flow of a second-order fluid on a rotating cone in the presence of ...

    Thrust Enhancement in Hypervelocity Nozzles by Chemical Catalysis

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