1–20 von 37 Ergebnissen
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    Research on Pavement Performance of Volcanic Ash Mixture as Road Base and Mechanism

    Chen, Zhiguo / Wang, Zheren | ASCE | 2009

    In order to solve the lack of raw materials used as traditional road base in the area with abundant volcanic ash

     ...
    Verlag: Research Institute of Highway, Ministry of Transport, Beijing (RIOH)

    Numerical Prediction of Two-Phase Reacting Flow Field and Performance in an Aeroengine Combustor

    Cai, Wenxiang | ASCE | 2011
    adopted to simulate turbulence viscosity. A second-order moment eddy–break up turbulence combustion model was used to determine the chemical ...
    Verlag: American Society of Civil Engineers

    Functional Comparison of Lunar Regoliths and Their Simulants

    Rickman, Doug / Edmunson, Jennifer / McLemore, Carole | ASCE | 2012
    abrasion, chemical interactions, or thermal failures. To reduce the greatest amount of risk, the simulant must replicate the lunar surface as well ...
    Verlag: American Society of Civil Engineers

    Analysis of the Improvement Effect of Expansive Soil through the Soil-water Characteristic Curve

    Yang, Heping / Lin, Liping / Xiao, Jie et al. | ASCE | 2012

    This study aims to establish the relationship between the theory of unsaturated soil and the corresponding

     ...
    Verlag: Research Institute of Highway, Ministry of Transport, Beijing (RIOH)

    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 ...
    Verlag: American Society of Civil Engineers

    Chemical Propulsion: Greater than 60 Years of Leadership and Innovation at NASA Glenn Research Center

    Linne, Diane L. / Aukerman, Carl A. / Palaszewski, Bryan A. | ASCE | 2013
    same aeropropulsion engineers would progress into the largely unexplored field of space chemical propulsion. Starting before the launch of ...
    Verlag: American Society of Civil Engineers

    Power and Propulsion at NASA Glenn Research Center: Historic Perspective of Major Accomplishments

    Lyons, Valerie J. | ASCE | 2013

    Propulsion and power have long been core competencies of the National Aeronautics and Space Administration (NASA

     ...
    Verlag: American Society of Civil Engineers

    Instrumentation for Aerospace Applications: Electronic-Based Technologies

    Matus, Lawrence G. | ASCE | 2013

    Throughout the 70-year history of the National Aeronautics and Space Administration (NASA) Glenn Research Center

     ...
    Verlag: American Society of Civil Engineers

    Nuclear Thermal Propulsion: Past Accomplishments, Present Efforts, and a Look Ahead

    Borowski, Stanley K. | ASCE | 2013
    wide range of thrust levels, high-temperature fuel, sustained engine operation, accumulated time at full power, and restart capability ...
    Verlag: American Society of Civil Engineers

    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

    Exploratory Review of Sintered Lunar Soil Based on the Results of the Thermal Analysis of a Lunar Soil Simulant

    Bonanno, A. / Bernold, L. E. | ASCE | 2014

    The exploration and development of space will require energy that is reliable, ubiquitous, and economical to

     ...
    Verlag: American Society of Civil Engineers

    Dynamic Simulation of Insulation Material Ablation Process in Solid Propellant Rocket Motor

    Xu, Yi Hua / Hu, Xu / Yang, Yu Xin et al. | ASCE | 2014
    diene monomer (EPDM) ablative composite used as heat shield was analyzed. The physical, chemical, and mechanical processes of ablation were ...
    Verlag: American Society of Civil Engineers

    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 ...
    Verlag: American Society of Civil Engineers

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

    Seddeek, M. A. / Odda, S. N. / Abdelmeguid, M. S. | ASCE | 2015

    An analytical study is presented for the effects of chemical reaction and mass transfer on the free convective

     ...
    Verlag: American Society of Civil Engineers

    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

    High-Speed Surfactant-Free Fabrication of Large Carbon Nanotube Membranes for Multifunctional Composites

    Datta, Siddhant / Fard, Masoud Yekani / Chattopadhyay, Aditi | ASCE | 2015
    of surfactants and chemical functionalization of MWNTs was completely avoided in this method because functionality of carbon nanotubes can be ...
    Verlag: American Society of Civil Engineers

    Carrier and Delayed Release Properties of Lightweight Aggregates for Chemical Admixtures

    Chen, Yu / Deng, Yi-fan / Liu, Yang | ASCE | 2016
    LWA particles in advance. Time-dependent slump and setting times of concrete mixtures were investigated, which proved that chemical admixtures ...
    Verlag: Research Institute of Highway, Ministry of Transport, Beijing (RIOH)

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

    He, Tao / Wang, Jiang-Feng | ASCE | 2016
    . Further, the effects of chemical nonequilibrium on hypersonic rarefied flow-field structure are investigated to verify the applicability of the ...
    Verlag: American Society of Civil Engineers

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

    Frank, Christopher P. / Pinon-Fischer, Olivia J. / Mavris, Dimitri N. et al. | ASCE | 2016
    particular, it provides the capabilities to rapidly evaluate the performance, weight, size, and lifecycle costs of all chemical rocket engines at a ...
    Verlag: American Society of Civil Engineers

    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