1–50 von 172 Ergebnissen
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    Experimental Study on Dynamic Water Grouting of Modified Water-Soluble Polyurethane

    Liu, Xiaofan / Wang, Junguang / Huang, Kun et al. | Online Contents | 2019
    Schlagwörter: chemical modification

    Effect of Fibre Treatment on the Physical and Mechanical Properties of Kenaf Fibre Reinforced Blended Cementitious Composites

    Ahmad, R. / Hamid, R. / Osman, S. A. | Online Contents | 2019
    Schlagwörter: thermal and chemical treatment

    Methods and tools for the characterisation of a generic jet fuel

    Richter, S. / Braun-Unkhoff, M. / Kathrotia, T. et al. | Online Contents | 2019
    a synthetic jet fuel from scratch with preselected and well-defined physical and chemical properties. The development of a chemical kinetic ...

    Numerical Study of the Combustion Characteristics in a Syngas-diesel Dual-fuel Engine under Lean Condition

    Ali, Abubaker Ahmed Mohammed Mohammed / Ali, Kabbir / Kim, Changup et al. | Online Contents | 2019
    Abstract The aim of this study was to investigate the combustion characteristics of a syngas-diesel dual fuel engine operates in very lean ...
    Verlag: The Korean Society of Automotive Engineers , KSAE , Sŏul

    Influence of Biodiesel Blended in Gasoline-Based Fuels on Macroscopic Spray Structure from a Diesel Injector

    Thongchai, Sakda / Lim, Ocktaeck | Online Contents | 2019
    . In addition, neat biodiesel and pure gasoline were also investigated as the references. Firstly, the chemical and physical properties of the ...
    Verlag: The Korean Society of Automotive Engineers , KSAE , Sŏul

    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 ...

    Numerical Modeling for N-Heptane Spray Combustion Processes with Various Ambient Oxygen Concentrations

    Jung, Kiyoung / Kwon, Minjun / Kim, Sewon et al. | Online Contents | 2019
    Abstract This work has numerically analyzed the structure of spray flames with various ambient oxygen concentrations. To realistically ...
    Verlag: The Korean Society of Automotive Engineers , KSAE , Sŏul

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

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

    The Effects of Electro-Chemical Chloride Extraction on the Migration of Ions and the Corrosion State of Embedded Steel in Reinforced Concrete

    Nguyen, Hai Yen Thi / Pansuk, Withit / Sancharoen, Pakawat | Online Contents | 2018
    Schlagwörter: electro-chemical chloride extraction

    Effect of Using Cement Kiln Dust as a Nano-Material on the Strength of Cement Mortars

    Alnahhal, Wael / Taha, Ramzi / Al-Nasseri, Hammad et al. | Online Contents | 2018
    cement mortar mixtures were evaluated after curing periods of 7, 28, and 56 days. In addition, the chemical, physical and microscopical ...
    Verlag: Korean Society of Civil Engineers , Springer , [Berlin

    Enhancement the Properties of Sugar Cane Bagasse Ash with High Carbon Content by a Controlled Re-calcination Process

    Cordeiro, G. C. / Barroso, T. R. / Toledo Filho, R. D. | Online Contents | 2018
    of particle size distribution, chemical composition, BET specifc surface area, and pozzolanic activity were realized to characterize the as ...
    Verlag: Korean Society of Civil Engineers , Springer , [Berlin
    Schlagwörter: time of setting

    Probabilistic process simulation to predict process induced distortions of a composite frame

    Liebisch, M. / Hein, R. / Wille, T. | Online Contents | 2018
    Abstract Within this work, an enhanced simulation strategy for predicting process-induced distortions and residual stresses of composite ...

    Potential of Real-Time Cylinder Pressure Analysis by Using Field Programmable Gate Arrays

    Pfluger, Jan / Savelsberg, Rene / Hülshorst, Thomas et al. | Online Contents | 2018
    Abstract In this paper, a Field Programmable Gate Array (FPGA) was used to implement a real-time cylinder pressure analysis. The goal of ...
    Verlag: The Korean Society of Automotive Engineers , KSAE , Sŏul

    Morphological Change and Number-Size Distributions of Particulate Matter (PM) from a Diesel Generator Operated with Wood Pyrolysis Oil-Butanol Blended Fuel

    Park, Inyong / Kim, Yongrae / Lee, Seokhwan | Online Contents | 2018
    incipient soot particles due to the different physical properties and chemical compositions of the fuels. ...
    Verlag: The Korean Society of Automotive Engineers , KSAE , Sŏul

    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 ...
    Verlag: Korean Society of Civil Engineers , Springer , [Berlin

    Paths to alternative fuels for aviation

    Richter, Sandra / Braun-Unkhoff, Marina / Naumann, Clemens et al. | Online Contents | 2018
    microbial, thermal and/or chemical breakdown of larger (bio)-molecules into smaller ones, followed by the catalytic formation of fuel molecules and ...

    Study on volume stability of chemical foaming cement paste

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

    Noise and neurotoxic chemical exposure relationship to workplace traumatic injuries: A review

    Estill, Cheryl Fairfield | Online Contents | 2016

    Effect of chemical admixtures on setting time, fluidity and mechanical properties of phosphorus gypsum based self-leveling mortar

    Zhi, Zhenzhen / Huang, Jian / Guo, Yanfei et al. | Online Contents | 2017
    Schlagwörter: chemical admixture

    Design Methodology for the Performance, Weight, and Economic Assessment of Chemical Rocket Engines

    Tyl, Clémence M | Online Contents | 2017
    the capabilities to rapidly evaluate the performance, weight, size, and lifecycle costs of all chemical rocket engines at a conceptual level ...

      Design Methodology for the Performance, Weight, and Economic Assessment of Chemical Rocket Engines

      Tyl, Clémence M | Online Contents | 2016
      the capabilities to rapidly evaluate the performance, weight, size, and lifecycle costs of all chemical rocket engines at a conceptual level ...

    Chemical-Equilibrium Analysis with Adjoint Derivatives for Propulsion Cycle Analysis

    Gray, Justin | Online Contents | 2017

      Chemical-Equilibrium Analysis with Adjoint Derivatives for Propulsion Cycle Analysis

      Gray, Justin | Online Contents | 2017
      The design optimization of aircraft engines considering their integration with the airframe has been limited by challenges with existing ...

    Assessment of Multimode Spacecraft Micropropulsion Systems

    Berg, Steven P | Online Contents | 2017
    . Systems involving chemical monopropellants have the highest payload mass fractions for a reference mission of 500  m/s delta-V and 6U-sized ...

    Emission prediction in conceptual design of the aircraft engines using augmented CRN

    Z Saboohi | Online Contents | 2017
    the available inputs data in the initial phases of the design process, a chemical reactor network (CRN) is defined to model the combustion ...
    Schlagwörter: chemical reactor network , chemical-kinetic mechanisms

    Characteristics of IPN Adhesive Bonding of Polyether Imide to Titanium for Aerospace Application

    Bhowmik, Shantanu | Online Contents | 2017
    AbstractThis investigation highlights the performance of epoxy-novolac interpenetrating polymer network (IPN) adhesive bonding of surface ...

      Characteristics of IPN Adhesive Bonding of Polyether Imide to Titanium for Aerospace Application

      Bhowmik, Shantanu | Online Contents | 2017
      AbstractThis investigation highlights the performance of epoxy-novolac interpenetrating polymer network (IPN) adhesive bonding of surface ...

    Overview of the National Jet Fuels Combustion Program

    Colket, Meredith | Online Contents | 2017
    develop combustion-related generic test and modeling capabilities that can improve the understanding of the impact of fuel chemical composition ...

    Plume Characterization of Electric Solid Propellant Pulsed Microthrusters

    Glascock, Matthew S | Online Contents | 2017
    to capabilities such as on-demand throttling and reignition in chemical combustion operation, and it lends itself to application in electric ...

    Wall-Modeled Large-Eddy Simulation of Autoignition-Dominated Supersonic Combustion

    Candler, Graham V | Online Contents | 2017
    Simulations of combustion in high-speed and supersonic flows need to account for autoignition phenomena, compressibility, and the effects ...

      Wall-Modeled Large-Eddy Simulation of Autoignition-Dominated Supersonic Combustion

      Candler, Graham V | Online Contents | 2017
      Simulations of combustion in high-speed and supersonic flows need to account for autoignition phenomena, compressibility, and the effects ...

    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 ...

    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 ...

    Flow Characterization of a Hypersonic Expansion Tube Facility for Supersonic Combustion Studies

    Abul-Huda, Yasin M | Online Contents | 2017
    an overview of the range of conditions the facility is capable of generating along with a discussion on how well a number of parameters ...
    Schlagwörter: Biological & chemical weapons

    Study of Aldehydes, Carbon Monoxide, and Particulate Contaminants Generated in Bleed-Air Simulator

    Amiri, Shahin Nayyeri | Online Contents | 2017
    Air travelers breathe a blend of recirculated cabin air and outside air known as bleed air that has been compressed by the aircraft’s ...

    Mixed Convection Stagnation-Point Flow of Powell-Eyring Fluid with Newtonian Heating, Thermal Radiation, and Heat Generation/Absorption

    Waqas, Muhammad | Online Contents | 2016
    AbstractThis article explores the steady mixed convection stagnation-point flow of Powell-Eyring fluid in the presence of thermal radiation ...

      Mixed Convection Stagnation-Point Flow of Powell-Eyring Fluid with Newtonian Heating, Thermal Radiation, and Heat Generation/Absorption

      Waqas, Muhammad | Online Contents | 2017
      AbstractThis article explores the steady mixed convection stagnation-point flow of Powell-Eyring fluid in the presence of thermal radiation ...

    Diffusion-Flame Ignition by Shock-Wave Impingement on a Hydrogen–Air Supersonic Mixing Layer

    Huete, César | Online Contents | 2017
    dissipation. The ignition kernel displays a balance between the rates of chemical reaction and postshock flow expansion, including the acoustic ...

    Disturbance Development in an Obstacle Wake in a Reacting Hypersonic Boundary Layer

    Stemmer, Christian | Online Contents | 2017
    velocity disturbances. The unsteady, fully three-dimensional direct numerical simulations under consideration of chemical equilibrium and ...

    Hypersonic Boundary-Layer Flow with an Obstacle in Thermochemical Equilibrium and Nonequilibrium

    Stemmer, Christian | Online Contents | 2017
    geometry roughly 50 cm downstream of the leading edge for ideal-gas, chemical-equilibrium, and nonequilibrium conditions. The Ma∞=8.5 flow is ...

    Reaction Control Thruster Thermal Design for a Mission to Mercury

    Tuttle, S | Online Contents | 2017
    This paper describes two novel methods used to reduce the prefiring injector temperatures of thrusters on the sun-facing side of a ...
    Schlagwörter: Chemical propulsion

    Method for Determining Nozzle-Throat-Erosion History in Hybrid Rockets

    Kamps, Landon | Online Contents | 2017
    between nozzle-throat-erosion rate and equivalence ratio of reconstructed results displays a trend consistent with chemical-kinetic-limited ...

    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 ...

    Bad Choices

    Online Contents | 2017
    soil as well as the chemical aspects of the soil. While it is clear that Johnny Appleseed was not directly involved in the construction, it is ...

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

    Kassoy, D. R | Online Contents | 2017
    Thermomechanical concepts and modeling are used to describe the response of inert and reactive gases to transient, spatially resolved ...

    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 ...

    Combustion of Synthetic Jet Fuel: Chemical Kinetic Modeling and Uncertainty Analysis

    Wagner, Andrew L | Online Contents | 2016
    Reaction mechanisms for jet-fuel combustion were built with the aim of providing a better description of the chemistry to reacting flow ...

    Prediction of Chemical Nonequilibrium Flow Structure at Different Free-Stream Knudsen Numbers

    He, Tao | Online Contents | 2016
    AbstractA numerical study is conducted to investigate the effects of the inflow Knudsen number (Kn) on hypersonic chemical nonequilibrium ...

      Prediction of Chemical Nonequilibrium Flow Structure at Different Free-Stream Knudsen Numbers

      He, Tao | Online Contents | 2016
      AbstractA numerical study is conducted to investigate the effects of the inflow Knudsen number (Kn) on hypersonic chemical nonequilibrium ...

    Chemical Reaction Effects on Heat Loads of CH4/O2 and H2/O2 Rockets

    Betti, Barbara | Online Contents | 2016
    Cooling of liquid rocket thrust chamber walls to allowable solid material temperatures induces near-wall chemical reactions, which are ...

    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 ...

    Analytical Study for the Effects of Chemical Reaction and Mass Transfer on Free Convective Flow Past a Vertical Isothermal Cone Surface

    Odda, S. N | Online Contents | 2016
    AbstractAn analytical study is presented for the effects of chemical reaction and mass transfer on the free convective flow of a viscous ...

      Analytical Study for the Effects of Chemical Reaction and Mass Transfer on Free Convective Flow Past a Vertical Isothermal Cone Surface

      Odda, S. N | Online Contents | 2015
      AbstractAn analytical study is presented for the effects of chemical reaction and mass transfer on the free convective flow of a viscous ...

    Effects of Chemical Reaction and Nonlinear Thermal Radiation on Williamson Nanofluid Slip Flow over a Stretching Sheet Embedded in a Porous Medium

    Gireesha, B. J | Online Contents | 2016
    AbstractThe main emphasis of the present study is to discuss the effect of chemical reaction on flow, heat, and mass transfer of Williamson ...

    Effects of Chemical Reaction and Nonlinear Thermal Radiation on Williamson Nanofluid Slip Flow over a Stretching Sheet Embedded in a Porous Medium

    Prasannakumara, B. C | Online Contents | 2016
    AbstractThe main emphasis of the present study is to discuss the effect of chemical reaction on flow, heat, and mass transfer of Williamson ...

    Utilisation of waste plastic in bituminous mix for improved performance of roads

    Jafar, Jalal J. | Online Contents | 2016
    Schlagwörter: chemical additives