Justification scheme for milling waffle background by E. V. Krivonos

“…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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The analysis of the influence of the turbulence model selection on the parameters of interaction of a supersonic jet with an obstacle by R. A. Peshkov, A. S. Shmetkova, O. V. Ispravnikova, Ju. L. Suskina

“…Due to the intense loading of the elements of launch structures when exposed to rocket engine jets, it is obvious that it is necessary to determine the gas-dynamic, thermal and other loads that occur during the launch of the launch vehicle. …”
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Brain function abnormalities and inflammation in HIV-positive men who have sex with men with depressive disorders by Yang Zhang, Yang Zhang, Yihui He, Yihui He, Yuan Fang, Yuan Fang, Miaotian Cai, Guangqiang Sun, Guangqiang Sun, Rui Wang, Rui Wang, Jiaxin Zhen, Jiaxin Zhen, Yulin Zhang, Zhen Li, Zhen Li, Yundong Ma, Yundong Ma, Tong Zhang, Tong Zhang

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A computational fluid dynamics analysis of the aerodynamic influence of angles of attack on the Skylon spaceplane by Vivekamanickam Koothan Venkateswaran, Unai Fernandez Gamiz, Ana Boyano, Jesus Maria Blanco

“…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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An Approach to Analysing Erosive Characteristics of Two-Channel Combustion Chambers by Yanjie Ma, Futing Bao, Weihua Hui, Yang Liu, Ran Wei

“…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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Mechanics Design of Conical Spiral Structure for Flexible Coilable Antenna Array by Hairui Wang, Yao Zhang, Siyu Chen, Yinji Ma, Heling Wang, Ying Chen, Xue Feng

“…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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Static Equilibrium Characteristics of Full-Flow Staged Combustion Cycle Engine Under Different Propellants by Haodong He, Nanjia Yu, Sihan Di, Guobiao Cai, Chuang Zhou, Lihao Zheng

“…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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Model-Based Leakage Estimation and Remaining Useful Life Prediction of Control Gas Cylinder by Zhenzhen Zhang, Hui Chen, Chao Qi, Yazhou Liu

“…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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Investigation on Acoustic Properties of Thruster Chamber with Coaxial Injectors and Plenum Chamber by Dekun Gao, Jianxiu Qin, Huiqiang Zhang

“…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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Collector and philatelic press in the RSFSR/USSR during the first half of the 1920s: From pluralism to monopolism by A.V. Yakub, N.V. Yakub

“…In the early 1920s, the number of collector periodicals rocketed. By the end of 1922–first half of 1923, the dialog between them finally turned into a monologue of one edition promoting the positions of the state. …”
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Rheokinetic Analysis of Hydroxy Terminated Polybutadiene Based Solid Propellant Slurry by Abhay K Mahanta, Monika Goyal, Devendra D Pathak

“…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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Transfer functions of a time-varying control system by Volt Avdieiev

“…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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The Analytical Method to Compute the Strain on the Soft PSD in Double-Pulse SRM by Chunguang Wang, Guiyang Xu

“…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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Research on the Dynamic Mechanical Properties and Constitutive Models of Steel Fiber Reinforced Concrete and Polypropylene Fiber Reinforced Concrete by Jie Huang, Yi Zhang, Yubin Tian, Hengheng Xiao, Jun Shi, Jiyang Shen, Nianlin Zhang

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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 by Carlos Rubio-Terrés, Ruth Graefenhain de Codes, Darío Rubio-Rodríguez, Thomas Evers, Santiago Grau Cerrato

“…**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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Low-carbon ammonia-based fuel for maritime transport by A.A. Levikhin, A.A. Boryaev

“…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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Fast Task Scheduling With Model Predictive Control Integrating a Priority-Based Heuristic by Francesco Liberati, Manuel Donsante, Chiara Maria Francesca Cirino, Andrea Tortorelli

“…The use case motivating the work is given by the problem of managing the integration activities involved in the final assembly of the Vega rocket at the European space center in Kourou, French Guiana. …”
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On the Lunar Origin of Near-Earth Asteroid 2024 PT5 by Theodore Kareta, Oscar Fuentes-Muñoz, Nicholas Moskovitz, Davide Farnocchia, Benjamin N. L. Sharkey

“…PT5's orbit is challenging to populate with asteroids originating from the main belt and is more commonly associated with rocket bodies mistakenly identified as natural objects or with debris ejected from impacts on the Moon. …”
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Enhancing Manufacturing Precision: Leveraging Motor Currents Data of Computer Numerical Control Machines for Geometrical Accuracy Prediction Through Machine Learning by Lucijano Berus, Jernej Hernavs, David Potocnik, Kristijan Sket, Mirko Ficko

“…Feature extraction was performed using Tsfresh and ROCKET, which allowed us to capture the patterns in the motor current data corresponding to the geometric features of the machined parts. …”
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Homogeneous Model in Finite Element Analysis for Natural Frequency Calculation of Axisymmetric Shells by Volodymyr Lipovskyi

“…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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