1–20 von 1,455 Ergebnissen
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    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

    Linking Chemical Structure to the Linear and Nonlinear Properties of Asphalt Binders

    Salehfard, Reza / Yeganeh, Sadegh / Dalmazzo, Davide et al. | Transportation Research Record | 2024

    The study described in this paper aims to establish the relationship between the chemical composition and rheological properties of

     ...

    Chemical and Rheological Properties of Bitumen Partially Substituted with Rice-Straw-Based Lignin from Bio-Ethanol Industry Residue

    Andiyappan, Thavamani / Banapuram, Rahul Reddy / Minchala, Divakar et al. | Transportation Research Record | 2024

    The objective of this study is to evaluate the changes in the chemical and rheological properties of bitumen when partially substituted

     ...

    Shock-Tube Measurements of Carbon Monoxide During Combustion of Hydroxyl-Terminated Polybutadiene Products/Air

    Higgs, Jacklyn P. / Pellegrini, Juan Cruz / Rahman, Ramees K. et al. | AIAA | 2024
    and the improvement of SFRJ combustion can be accomplished through fundamental experiments and computational fluid dynamics modeling. The ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetics

    Review of research progress of autonomous and unmanned shipping and identification of future research directions

    Jovanović, Ivana / Perčić, Maja / BahooToroody, Ahmad et al. | Taylor & Francis Verlag | 2024

    The maritime industry is following the trend of increased autonomy and digitalisation applied in aviation, automotive, military, and

     ...

    Direct Numerical Simulation of Nonequilibrium Effects on Decaying Isotropic Turbulence

    Kerkar, Pawan P. / Ghosh, Shankar | AIAA | 2024
    gas in the simulations. The individual and combined effects of vibrational relaxation and chemical reactions are studied by considering four ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetics

    Family of Skeletal Reaction Mechanisms for Methane–Oxygen Combustion in Rocket Propulsion

    Liberatori, Jacopo / Malpica Galassi, Riccardo / Bianchi, Daniele et al. | AIAA | 2024

    Analyzing methane–oxygen rocket propellant combinations requires suitable modeling of the major chemical reaction processes. Although

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

    Evaluation of Physical and Physicochemical Properties of Bitumen with Lignin from Bio-ethanol Residue

    Andiyappan, Thavamani / Kuna, Kranthi Kumar | Springer Verlag | 2024
    obtained from the bio-ethanol industry as a partial substitution for bitumen. The study investigated how the chemical composition of lignin ...

    Numerical Investigation of Diffusion Flame in Transonic Flow with Large Pressure Gradient

    Zhu, Yalu / Liu, Feng / Sirignano, William A. | AIAA | 2024
    -preserving splitting scheme for the stiff source terms in chemical reactions. Laminar and turbulent reacting flows in a mixing layer with a large ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetics

    Comprehensive Selection of Base Asphalt Binders for Effective Formulation of Polymer-Modified Asphalts

    Kumbargeri, Yogesh / Planche, Jean-Pascal / Adams, Jeramie J. et al. | Transportation Research Record | 2024
    -depth physical, chemical, rheological, and microstructure characterization of base (neat/unmodified) and corresponding PMA binders to understand ...

    Parametric Study of Transpiration Cooling Using Oxides for Sharp Hypersonic Leading Edges

    Ko, Danny D. / Mannion, Anthony / Zhong, Xiaolin et al. | AIAA | 2024

    Recent escalating interest in the development of highly maneuverable hypersonic vehicles demands sharp leading edges. However, sharp

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

    Numerical Investigation of Gas Models for Retropropulsion Flows for Future Mars Missions

    Nastac, Gabriel / Frendi, Abdelkader | AIAA | 2024
    of the air configuration. The lower-fidelity gas modeling simulations are also compared against the higher-fidelity chemical mechanism ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Effects and mechanism of pilot diesel injection strategies on combustion and emissions of natural gas engine

    Binyang, Wu / Puze, Yang / Yinmi, Luo et al. | SAGE Publications | 2024
    chemical reaction kinetics model. The effects and mechanisms of various PDI strategies on the mixture equivalent ratio, temperature, and ...

    Effect of Boric Acid on Electronically Controlled Solid Propellants

    Hu, Hongtong / Ding, Yongjie / Xu, Yishen et al. | AIAA | 2024
    the ECSPs. Based on the calculation results of NASA’s Chemical Equilibrium with Applications program, HB has no apparent effect on the ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Durability of Passive Thermal Control Materials Exposed to Low-Earth-Orbital Environment

    Finckenor, Miria / Carrico, Meghan | AIAA | 2024
    a variety of materials to the low-Earth-orbital environment. Materials analyzed in this effort include thermal control coatings with ceramic ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Bidirectional Reflectance Distribution Function (BRDF) Measurement of Materials Aged Under Simulated Space Environment

    Shah, Jainisha / Badura, Gregory / Hoffmann, Ryan et al. | Springer Verlag | 2024
    . However, exposure to solar radiation and aggressive chemical species in the upper atmosphere alters these materials’ physical, chemical, and ...

    The Spectral Characterization of Novel Spacecraft Materials in the Low Earth Orbit Environment

    Plis, Elena A. / Badura, Gregory | Springer Verlag | 2024
    aggressive chemical species present in Earth's upper atmosphere. By gaining a thorough understanding of how these material properties evolve over the ...

    Responsive Maneuver Planning for Sun-Synchronous Repeating Ground Track Orbits

    Treblow, Shalom / McGrath, Ciara N. | AIAA | 2024

    This paper investigates the suitability of sun-synchronous orbits (SSOs) as an injection location for responsive, maneuverable

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

    Freeze–Thaw Performance Trends of Short-Term Cured Cement-Stabilized Aggregate Quarry By-Product Materials

    Kong, Taeyun / Kothari, Chirayu / Qamhia, Issam I. A. et al. | Transportation Research Record | 2024
    -term cementitious reaction and repeated freezing and thawing. This study investigated the influence of QB chemical composition on the strength ...

    Meta-Model Based Blade Optimization Design Considering the Fluid Characteristics of Vehicle Energy Harvesting

    Kim, Hyung Jun / Kang, Seong Min / Kim, Seon Myeong et al. | Springer Verlag | 2024
    societal growth. However, this progress has also given rise to challenges, such as the depletion of chemical resources and the escalating impact of ...
    Verlag: The Korean Society of Automotive Engineers , Seoul
    Schlagwörter: Design of experiments