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An Efficient Laguerre-Based FDTD Iterative Algorithm in 3D Cylindrical Coordinate System
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142
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143
Mechanics Design of Conical Spiral Structure for Flexible Coilable Antenna Array
Published 2022-01-01“…Limited by the effective launch capacity of a rocket, the deployable antenna is very important in the design of spaceborne antenna array. …”
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144
Static Equilibrium Characteristics of Full-Flow Staged Combustion Cycle Engine Under Different Propellants
Published 2024-01-01“…The full-flow staged combustion cycle (FFSC) engine is a promising liquid rocket propulsion system owing to its capacity for high specific impulse. …”
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145
Model-Based Leakage Estimation and Remaining Useful Life Prediction of Control Gas Cylinder
Published 2023-01-01“…To evaluate the effectiveness of the proposed method, scaling leakage test data, computational fluid dynamics (CFD) simulation results, and liquid rocket engine (LREs) hot test data are used. Calibration results have proved the validity and universality of the method, with the mean absolute error (MAE) for the remaining 80% useful life prediction results being less than 0.02, 0.04, and 1.10. …”
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146
Investigation on Acoustic Properties of Thruster Chamber with Coaxial Injectors and Plenum Chamber
Published 2020-01-01“…Based on the URANS equation, a numerical simulation is carried out for acoustic properties of the thruster chamber with coaxial injectors and plenum chamber in a liquid rocket engine. Pressure oscillations with multiacoustic modes are successfully excited in the chamber by using the constant volume bomb method. …”
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147
Transfer functions of a time-varying control system
Published 2024-06-01“…The task is to show the possibility of obtaining a second-order transfer function, which is equivalent to the LTV on a certain trajectory section, using the example of the system for controlling the rotational motion of a rocket in one plane. The concept of a transfer function is based on the integral Laplace transform, which maps the time function to complex argument function. …”
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148
A Systematic Study of Inverting Overlappograms: MaGIXS—A Case Study
Published 2025-01-01“…An unfolding method is successfully developed and demonstrated on the recent rocket flight of the Marshall Grazing Incidence X-ray Spectrometer, which observed several strong emission lines in the 8–30 Å wavelength range from two X-ray bright points and a portion of an active region. …”
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149
Future of antimatter production, storage, control, and annihilation applications in propulsion technologies
Published 2025-01-01“…Compared to traditional rocket fuel and nuclear power, antimatter propulsion promises significant environmental benefits by reducing carbon emissions and radioactive waste. …”
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150
The Analytical Method to Compute the Strain on the Soft PSD in Double-Pulse SRM
Published 2019-01-01“…In order to study the failure mechanism of the soft PSD in the double-pulse solid rocket motor (SRM), a two-dimensional axisymmetric finite element method (FEM) model of the stress process of the soft PSD is established. …”
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151
Rheokinetic Analysis of Hydroxy Terminated Polybutadiene Based Solid Propellant Slurry
Published 2010-01-01“…This opens up an avenue for a “freeze-and-store”, then “warm-up and cast”, mode of manufacturing of very large solid rocket propellant grains.…”
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152
Modeling Loss-of-Flow Accidents and Their Impact on Radiation Heat Transfer
Published 2017-01-01“…The National Aeronautics and Space Administration (NASA) investigated several reactor designs from 1959 to 1973 in order to develop the Nuclear Engine for Rocket Vehicle Application (NERVA). Study of planned/unplanned transients on nuclear thermal rockets is important due to the need for long-term missions. …”
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Cost-effectiveness Analysis of Rivaroxaban versus Acenocoumarol in the Prevention of Stroke in Patients with Non-valvular Atrial Fibrillation in Spain
Published 2016-02-01“…**Methods:** A Markov model was designed and populated with local cost estimates, efficacy and safety of rivaroxaban in stroke prevention in NVAF compared with adjusted-dose warfarin clinical results from the pivotal phase III ROCKET AF trial and utility values obtained from the literature. …”
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155
Low-carbon ammonia-based fuel for maritime transport
Published 2025-03-01“…Calculated equilibrium values of the energy characteristics of fuels based on liquid ammonia are presented, as well as the results of calculations when using ammonia as a working fluid for electric heating and nuclear rocket engines. The physicochemical properties and thermodynamic characteristics of liquid ammonia, depending on temperature, presented in the article allow developing technologies for its effective and safe use and can be used as reference material.…”
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156
Homogeneous Model in Finite Element Analysis for Natural Frequency Calculation of Axisymmetric Shells
Published 2024-11-01“…The article presents an original analysis of a real case where a simplified model was implemented to determine the natural harmonics of a liquid rocket engine nozzle, making it a valuable tool for studying complex structures. …”
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157
Justification scheme for milling waffle background
Published 2021-10-01“…All this generally affects the perception of design loads and the carrying capacity of the rocket. At the same time, the methods and processes of processing the waffle background should be productive and economically feasible. …”
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158
A computational fluid dynamics analysis of the aerodynamic influence of angles of attack on the Skylon spaceplane
Published 2025-01-01“…The analysis focuses on the aerodynamics of the Skylon spaceplane and the Synergistic Air-Breathing Rocket Engine to understand their impact on single-stage reusable vehicles in the aerospace sector. …”
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159
A High-Throughput Size Exclusion Chromatography Method to Determine the Molecular Size Distribution of Meningococcal Polysaccharide Vaccine
Published 2016-01-01“…., Bangladesh. A quantitative rocket immunoelectrophoresis assay was employed to determine the polysaccharide contents of each serogroup. …”
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160
An Approach to Analysing Erosive Characteristics of Two-Channel Combustion Chambers
Published 2019-01-01“…Combining the model with two different erosive burning models, the modified L-R expression, and the Mukunda-Paul expression, the flow parameters and the internal ballistics performance of a test solid rocket motor are computed. The results show good agreement with experimental data. …”
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