1–20 von 37 Ergebnissen
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    Aerothermodynamic Assessment of Spiked Configuration for Drag Reduction at Hypersonic Speeds

    Kumar, Shailendra / Kulkarni, Vinayak / Jammy, Satya Pramod | ASCE | 2020
    reduction effectiveness. In-house perfect gas and chemical nonequilibrium solvers were utilized. The analysis revealed that flow separation and ...
    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)

    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

    Attitude-Orbit Cooperative Control for Small-Scale Spacecraft with Chemical Propulsion: Adaptive Sliding Mode Control Based on Neural Network

    Freier Zugriff
    Wang, Guogang / Liu, Keping / Sun, Zhongbo et al. | ASCE | 2020
    by orbit transfer of small satellites with chemical propulsion. The changing rule of satellite fuel consumption rate and moment of inertia ...
    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)

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

    Ahmed, Sabbir / Chakrabarty, Debabrata / Mukherjee, Subroto et al. | ASCE | 2017
    bonding of surface-modified polyether imide (PEI) to titanium (Ti) under elevated temperatures and an aggressive chemical environment as well as ...
    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

    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

    Development and Geotechnical Engineering Properties of KLS-1 Lunar Simulant

    Freier Zugriff
    Ryu, Byung-Hyun / Wang, Cheng-Can / Chang, Ilhan | ASCE | 2017
    development based on basalt samples having similar chemical and mechanical properties to those of lunar soil, with reference to lunar soil data ...
    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

    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. / Gireesha, B. J. / Gorla, Rama S. R. et al. | ASCE | 2016

    The main emphasis of the present study is to discuss the effect of chemical reaction on flow, heat, and mass

     ...
    Verlag: American Society of Civil Engineers

    Effects of Gamma-Irradiated Recycled Low-Density Polyethylene on the Creep and Recovery Properties of Asphalt

    Wang, Wen-qi / Ding, Hai-bo / Wang, Ze | ASCE | 2018
    investigated by means of morphological and chemical analyses, including Fourier-transform infrared spectroscopy and multiple stress creep recovery ...
    Verlag: Research Institute of Highway, Ministry of Transport, Beijing (RIOH)

    Evacuation Traffic Management under Low Visibility and Toxic-Gas Leakage Disasters

    Liu, Zheng / Li, Xingang / Jiang, Rui et al. | ASCE | 2020
    visibility under chemical disasters. This paper takes the impact of leaking toxic gas on atmospheric visibility into account in evacuation problems ...
    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

    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

    Geotechnical Properties of Uncompacted DNA-1A Lunar Simulant

    Marzulli, Valentina / Cafaro, Francesco | ASCE | 2018

    Understanding the mechanical behavior of lunar regolith is of great importance to address the building of

     ...
    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

    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

    Managing Alaska’s Road-Dust Problem: A Model for Road Dust–Impacted Regions

    Barnes, David L. / Connor, Billy / Trost, Barbara et al. | ASCE | 2020
    : institutional controls, road watering, chemical dust suppressants, and road surface stabilization. Geographical zones where use of each different dust ...
    Verlag: American Society of Civil Engineers

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

    Hayat, Tasawar / Waqas, Muhammad / Shehzad, Sabir Ali et al. | ASCE | 2016

    This article explores the steady mixed convection stagnation-point flow of Powell-Eyring fluid in the presence of

     ...
    Verlag: American Society of Civil Engineers