1–20 von 598 Ergebnissen
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    Lunar SmallSat Missions with Chemical-Electrospray Multimode Propulsion

    Cline, Bryan C. / Parker, Khary I. / Rosales, José J. et al. | AIAA | 2024
    propellant than the all-chemical approach. The number of switching events and the minimum required mode switching time are quantified for the first ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Propulsion System

    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

    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

    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

    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

    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

    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

    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

    Low-Thrust Resonance Gravity-Assist Trajectory Design for Lunar Missions

    Lee, Jinsung / Ahn, Jaemyung | AIAA | 2024
    , yielding trajectories that break the symmetry of the resonance orbits. The multiple-point boundary-value problem seeks to solve a minimum-fuel ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Propulsion System

    Novel Solid Propellants Enabled Through In Situ Martian Perchlorates

    Hoganson, Alexander C. C. / Afriat, Aaron / Wernex, Chase M. et al. | AIAA | 2024

    With evidence for the native perchlorates existing in the Martian regolith, this paper examines the feasibility and performance of

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

    Nonequilibrium Heating/Cooling Effects in a Mach Number 10 Hydrogen-Fueled Scramjet

    Liu, Hang / Yao, Wei / Zhang, Xu et al. | AIAA | 2024

    The influence of thermal/chemical nonequilibrium on a hydrogen-fueled

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: chemical nonequilibrium

    Multiphysics Modeling for Combustion Instability in Paraffin-Fueled Hybrid Rocket Engines

    Casalino, Lorenzo / Ferrero, Andrea / Folcarelli, Lorenzo et al. | AIAA | 2024

    The use of paraffin-based fuels is a promising approach to a low regression rate in hybrid rocket engines, and the capability to

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

    Stochastic Equilibrium Analysis to Optimize Solid Propellant Combustion Gas Composition

    Michalski, Quentin / Pudsey, Adrian | AIAA | 2024
    properties, composition, and heat of formation. The calculations are performed assuming adiabatic, isobaric chemical equilibrium on synthetic species ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Payload Optimization for EnVision Mission Using an Electric Propulsion Module for Interplanetary Transfers

    Valencia, Sebastian | AIAA | 2024

    This paper presents a study on the feasibility of using electric propulsion (EP) for interplanetary transfer in the context of an Earth

     ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Sphere of Influence

    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

    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

    Simulations of Heat and Drag Reduction of Opposing Jet in Hypersonic Flow

    Wu, Qian / Huang, Haiming / Zhao, Yipu et al. | AIAA | 2023
    models, the Gupta chemical kinetics model, and the five-species air model are considered; and a numerical simulation program of hypersonic ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Conservation of Momentum Equations , Chemical Kinetics

    Effect of Thermal Nonequilibrium on Captured Mass Flow Rate of Scramjet Inlets

    Wu, You / Liu, Jiwu / Peng, Jian et al. | AIAA | 2023
    nonequilibrium) and the chemical nonequilibrium model (thermal equilibrium) were adopted to study the mass flow rate of the HyShot II scramjet with the ...
    Verlag: The American Institute of Aeronautics and Astronautics

    Measurement and Kinetics Prediction of Undiluted Methane–Oxygen Laminar Flame Speeds

    Turner, Mattias A. / Petersen, Eric L. | AIAA | 2023
    ( S L ) data for a wide range of equivalence ratios ...
    Verlag: The American Institute of Aeronautics and Astronautics
    Schlagwörter: Chemical Kinetics Mechanism