1–50 von 2,118 Ergebnissen
|

    Effects of chemical stabilizers on an expansive clay

    Zhao, Honghua / Ge, Louis / Petry, Thomas M. et al. | Springer Verlag | 2013
    of the physicochemical nature of the expansive clay, the use of chemical agents to improve their engineering properties is common. This ...
    Verlag: Korean Society of Civil Engineers , Heidelberg
    Schlagwörter: chemical stabilizers

      Effects of chemical stabilizers on an expansive clay

      Zhao, Honghua / Ge, Louis / Petry, Thomas M. et al. | Online Contents | 2014
      Schlagwörter: chemical stabilizers

    Non-spherical osmotic motor: chemical sailing

    Shklyaev, Sergey / Brady, John F. / Cordova-Figueroa, Ubaldo M. | Tema Archiv | 2014
    able to move even with uniform chemical activity on its surface. For small departures from a sphere the velocity of self-propulsion is ...

    Rheological and Chemical Characterization of Biobinders from Different Biomass Resources

    Dhasmana, Heena / Ozer, Hasan / Al-Qadi, Imad L. et al. | Transportation Research Record | 2019

    The increasing costs and strong worldwide demand for petroleum and the adverse environmental impact of the consumption of nonrenewable

     ...

    Mathematical Modeling of Multiphase Chemical Equilibrium

    Ewing, Mark E. / Isaac, Daron A. | AIAA | 2015

    Prediction of chemical equilibrium conditions is fundamental to modeling in many aerospace applications including rocket performance and

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

    Distributed control of chemical process networks

    Tippett, M. J. / Bao, J. | British Library Online Contents | 2015

    Study on volume stability of chemical foaming cement paste

    Liu, Wen-bin / Zhang, Xiong | Springer Verlag | 2017
    Abstract The paper is aimed at investigating the mechanism and cause of volume instability of chemical foaming ...
    Verlag: Korean Society of Civil Engineers , Seoul
    Schlagwörter: chemical foaming cement paste

      Study on volume stability of chemical foaming cement paste

      Liu, Wen-bin / Zhang, Xiong | Online Contents | 2017
      Schlagwörter: chemical foaming cement paste

    Analysis of Energy Utilization for Chemical Rockets

    Riggins, David W. / Abbas, Mohammad / Wainwright, Mitchell et al. | AIAA | 2018

    Methodology is developed for the comprehensive analysis and quantification of energy utilization in chemical rockets, based on the

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

    Calculation of Multidimensional Flames Using Large Chemical Kinetics

    Katta, Viswanath R. / Roquemore, William M. | AIAA | 2008
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetics Mechanism , National Institute of Standards and Technology

    Extended Formulations for Modeling of Chemical Equilibrium

    Ewing, Mark E. / Isaac, Daron A. | AIAA | 2016
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Influence of Chemical Constituents of Asphalt Binders on Their Rheological Properties

    Roja, K. Lakshmi / Masad, Eyad | Transportation Research Record | 2019

    The goal of this study is to investigate the chemical constituents and rheological properties of three different binders used in the

     ...

    Chemical Frost Protection of Road Surfaces: A Laboratory Investigation

    Fjærestad, Janne Siren / Klein-Paste, Alex / Wåhlin, Johan | Transportation Research Record | 2020

    Anti-icing chemicals are commonly used to protect against hoar frost formation on roadways and bridges. Because of their negative impact

     ...

    Rapid Chemical Stabilization of Soft Clay Soils

    Rafalko, Susan D. / Filz, George M. / Brandon, Thomas L. et al. | Transportation Research Record | 2007

    Since World War II, the military has sought methods for rapid stabilization of weak soils for support of its missions worldwide. Over

     ...

    Chemical-Kinetic Parameters of Hyperbolic Earth Entry

    Chul Park / Richard L. Jaffe / Harry Partridge | AIAA | 2001
    Verlag: The American Institute of Aeronautics and Astronautics

    Evaluation of Chemical Stabilization of a Highly Expansive Clayey Soil

    Mutaz, E. / Shamrani, Mosleh A. / Puppala, Anand J. et al. | Transportation Research Record | 2011

    Lime and cement are widely used in stabilization and improvement of the expansive subsoils that support pavement infrastructure. In this

     ...

    PBT screening profile of CWAs (chemical warfare agents)

    Sanderson, Hans / Fauser, Patrik / Thomsen, Marianne et al. | Tema Archiv | 2007
    CWAs (Chemical warfare agents) have been used and disposed of in various fashions over the past decades. Significant amounts have been ...

    Investigations for Chemical Parameters Effect on Swelling Characteristics of Expansive Soils

    Reddy, Peddireddy Sreekanth / Mohanty, Bijayananda / Rao, Bendadi Hanumantha | Springer Verlag | 2021

    A comprehensive understanding of the chemical parameters effect can greatly aid in selecting the most compatible

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

    Evaluation of Chemical and Rheological Aging Indices to Track Oxidative Aging of Asphalt Mixtures

    Rad, Farhad Yousefi / Elwardany, Michael D. / Castorena, Cassie et al. | Transportation Research Record | 2018
    oxidation levels, termed aging index properties (AIPs) here. The objective of this study is to identify suitable rheological and chemical AIPs to ...

    Experimental Study on the Permeability Characteristics of Sandstone in Different Chemical Solutions

    Yao, Huayan / Zhang, Zhenhua / Li, Dezhong | Springer Verlag | 2018
    values. The results show that the chemical nature of the solutions has a great influence on the evolution of the permeability coefficients of ...
    Verlag: Korean Society of Civil Engineers , Seoul

      Experimental Study on the Permeability Characteristics of Sandstone in Different Chemical Solutions

      Yao, Huayan / Zhang, Zhenhua / Li, Dezhong | Online Contents | 2018

    Chemical, Microstructural, and Rheological Characterizations of Binders to Evaluate Aging and Rejuvenation

    Osmari, Patrícia Hennig / Aragão, Francisco Thiago Sacramento / Leite, Leni Figueiredo Mathias et al. | Transportation Research Record | 2017
    such as area fraction and spatial and size distributions of the binder constituents. Finally, the following chemical tests were performed to ...

    Investigating the Chemical Stability of Electrospray Plumes During Particle Collisions

    Bendimerad, Rafid / Tahsin, Abu Taqui Md / Yonas, Adam et al. | AIAA | 2023
    in the plume are susceptible to collisions, chemical reactions, and fragmentation, which may introduce different new species with various ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Overview of systems considerations for on-board chemical hydrogen storage

    Aardahl, C.L. / Rassat, S.D. | Tema Archiv | 2009
    This overview is focused on chemical systems that hold promise for multiple cycle use such as those needed for commercialization of ...

    Chemical Fate and Transport in the Environment

    Papavassiliou, Dimitrios V. | AIAA | 2016
    Verlag: The American Institute of Aeronautics and Astronautics

    Effect of Chemical Reaction Rates on Aeroheating Predictions of Reentry Flows

    Reddy, D. Siva K. / Sinha, Krishnendu | AIAA | 2011
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Equilibrium

    Parabolized Stability Analysis of Hypersonic Thermal–Chemical Nonequilibrium Boundary-Layer Flows

    Chen, Xianliang / Wang, Liang / Fu, Song | AIAA | 2021

    In this work, the stability of Mach 20 flows past a 6 deg wedge in thermal–chemical nonequilibrium (TCNE) is studied by means of linear

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

    Influence of Chemical Kinetics Models on Plasma Generation in Hypersonic Flight

    Sawicki, Pawel / Chaudhry, Ross S. / Boyd, Iain D. | AIAA | 2021

    The accuracy and sensitivity of plasma generation predicted by several different chemical kinetics models is investigated in the context

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetics , Angle of Attack

    Effects of Thermal and Chemical Nonequilibrium on Response of Charring Ablative Materials

    Coskun, Volkan / Sert, Cuneyt | AIAA | 2024
    evaluation of thermodynamic/transport properties of pyrolysis gas mixture and chemical kinetics, if necessary. Thermal nonequilibrium between the ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Continuum Simulations of Hypersonic Flows in Chemical and Thermal Nonequilibrium

    Wagnild, R. M. / Gallis, M. A. | AIAA | 2018

    The ability of the Navier–Stokes equations to capture the effects of strong chemical and thermal nonequilibrium on gas composition in a

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

    Physico-Chemical Modeling of an Integrated SCR on DPF (SCR/DPF) System

    Schrade, Friedemann / Schaeffner, Jochen / Langeheinecke, Kay et al. | SAE Technical Papers | 2012
    A physico-chemical model of a Cu-zeolite SCR/DPF-system involving NH₃ storage and SCR reactions as well as soot oxidation reactions with ...
    Verlag: Society of Automotive Engineers , SAE International

    Natural Convection of Reacting Chemical in Square Enclosure with Circular Cylinder

    Chandra Roy, Nepal / Reddy Gorla, Rama Subba | AIAA | 2022

    Natural convection characteristics of a reacting chemical are presented considering a circular cylinder at different locations in a

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

    Flame Diagnostics with a Conservative Representation of Chemical Explosive Mode Analysis

    Wu, Wantong / Piao, Ying / Xie, Qing et al. | AIAA | 2019

    A conservative representation of a chemical explosive mode analysis is formulated for flame diagnostics in compressible reactive flows

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

    Influence of Aging Temperature on Rheological and Chemical Properties of Asphalt Binders

    Huang, Shin-Che / Grimes, Will | Transportation Research Record | 2010
    lengths of time. The chemical (infrared spectra) and rheological properties of these aged asphalts were compared. Results showed that the same PG ...

    Chemical Melting of Ice: Effect of Solution Freezing Point on the Melting Rate

    Wåhlin, Johan / Klein-Paste, Alex | Transportation Research Record | 2016
    difference between ice and solution—affects the chemical melting rate of ice. In this study, the driving force was represented by the solution ...

    Thermal and Chemical Effects of NVO Fuel Injection on HCCI Combustion

    Steeper, Richard / Fitzgerald, Russell P. | SAE Technical Papers | 2010
    combustion. The extent of reaction of injected NVO fuel and the relative importance of resulting thermal and chemical effects on main combustion are ...
    Verlag: Society of Automotive Engineers , SAE International

    Chemical Nonequilibrium Modeling of Low-Power Nitrogen/Hydrogen Arcjet Thrusters

    Wei, Yan-Ming / He, Qing-Song / Wang, Hai-Xing | AIAA | 2016

    Departures from thermal, chemical equilibrium of a plasma flow in a low-power arcjet thruster with a 1:2 nitrogen/hydrogen mixture as

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

      Chemical Nonequilibrium Modeling of Low-Power Nitrogen/Hydrogen Arcjet Thrusters

      Wei, Yan-Ming | Online Contents | 2016
      Departures from thermal, chemical equilibrium of a plasma flow in a low-power arcjet thruster with a 1:2 nitrogen/hydrogen mixture as the ...

    Chemical-release mission of CRRES

    REASONER, DAVID L. | AIAA | 1992
    Verlag: The American Institute of Aeronautics and Astronautics

    Quasiclassical Trajectory Analysis of Nitrogen for High-Temperature Chemical Kinetics

    Chaudhry, Ross S. / Bender, Jason D. / Schwartzentruber, Thomas E. et al. | AIAA | 2018

    Understanding gas–phase chemical kinetics is important for modeling hypersonic flows. This paper discusses quasiclassical trajectory

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: High Temperature Chemical Kinetics

    Effect of Rejuvenators on Rheological, Chemical, and Aging Properties of Asphalt Binders Containing Recycled Binders

    Karki, Pravat / Zhou, Fujie | Transportation Research Record | 2016
    mixtures to reconstruct the chemical structures of oxidized RAP and RAS binders. However, the overall effects of rejuvenators on the properties of ...

    Chemical plant innovative safety investments decision-support methodology

    Reniers, G.L.L. / Audenaert, A. | Elsevier | 2009
    extent to which investing in safety during the creation of a new chemical installation proves profitable ...
    Schlagwörter: prevention costs in the chemical sector

    Rheological Behavior and Its Chemical Interpretation of Crumb Rubber Modified Asphalt Containing Warm-Mix Additives

    Wang, Haopeng / Liu, Xueyan / Apostolidis, Panos et al. | Transportation Research Record | 2018

    The microstructure and chemical composition of asphalt binders have a significant effect on their rheological properties and, therefore

     ...

    Effects of chemical admixtures and curing conditions on some properties of alkali-activated cementless slag mixtures

    Bilim, Cahit / Karahan, Okan / Atiş, Cengiz Duran et al. | Springer Verlag | 2015
    Abstract This paper reports the results of an investigation on the influences of admixtures and curing ...
    Verlag: Korean Society of Civil Engineers , Heidelberg
    Schlagwörter: chemical admixtures

      Effects of chemical admixtures and curing conditions on some properties of alkali-activated cementless slag mixtures

      Bilim, Cahit / Karahan, Okan / Atiş, Cengiz Duran et al. | Online Contents | 2015
      Schlagwörter: chemical admixtures

    Chemical nonequilibrium boundary layer

    BLOTTNER, F. G. | AIAA | 1964
    Verlag: The American Institute of Aeronautics and Astronautics

    New Procedure for Selecting Chemical Treatments for Unpaved Roads

    Jones, David / Surdahl, Roger | Transportation Research Record | 2014

    There is increasing interest in the use of chemical treatments to reduce maintenance and gravel replacement on gravel roads. However

     ...

    Characterization of Carbon Ablation Models Including Effects of Gas-Phase Chemical Kinetics

    Candler, Graham V. / Alba, Christopher R. / Greendyke, Robert B. | AIAA | 2017

    The modeling of the oxidation and sublimation of carbon-based ablative thermal protection system materials remains an area of active

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Gas Phase Chemical Kinetics Models

    Chemical laser modeling with genetic algorithms

    Carroll, David L. | AIAA | 1996
    Verlag: The American Institute of Aeronautics and Astronautics

    Chemical Speciation of Hydrocarbon Emissions from a Commercial Aircraft Engine

    Paul Yelvington / Scott Herndon / Joda Wormhoudt et al. | AIAA | 2007
    Verlag: The American Institute of Aeronautics and Astronautics

    Mechanical-Chemical Characterization of the Effects of Type, Dosage, and Treatment Methods of Rejuvenators in Aged Bituminous Materials

    Nsengiyumva, Gabriel / Haghshenas, Hamzeh F. / Kim, Yong-Rak et al. | Transportation Research Record | 2020

    Proper use of rejuvenators can improve the properties and performance of aged asphalt mixtures; however, there is currently a lack of

     ...

    Performance of turbulent chemical laser.

    CHUNG, P. M. | AIAA | 1973
    Verlag: The American Institute of Aeronautics and Astronautics

    Effect of Graphene Oxide on Chemical Shrinkage Behavior of Cement-Based Composite Paste

    Miao, Yanchun / Zhang, Yu / Li, Beibei et al. | Springer Verlag | 2022
    microstructure and mechanical properties of cement-based materials. However, the effect of GO on the chemical shrinkage of cement-based materials remains ...
    Verlag: Korean Society of Civil Engineers , Seoul
    Schlagwörter: Chemical shrinkage

    Machine Learning Tabulation Scheme for Fast Chemical Kinetics Computation

    Ebrahimi, Khashayar / Patidar, Lalit / Fogla, Navin et al. | SAE Technical Papers | 2023
    expensive, so the MLT approach is introduced to solve these issues. The MLT method uses precalculated thermochemical states of ...
    Verlag: Society of Automotive Engineers , SAE International

    Effects of Thermal/Chemical Nonequilibrium on a High-Mach Ethylene-Fueled Scramjet

    Yao, Wei / Liu, Hang / Zhang, Zheng et al. | AIAA | 2023
    detached eddy simulation based on up to 368.34 million cells. An in-depth analysis of the effects of thermal and chemical nonequilibrium on ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: thermal/chemical nonequilibrum