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Aerospace vehiclesOpen-source analysis of the potential configuration and kinetic performance of the Oreshnik ballistic missile

Open-source analysis of the potential configuration and kinetic performance of the Oreshnik ballistic missile

Open-source analysis of the potential configuration and kinetic performance of the Oreshnik ballistic missile Mykola Bondarenko ORCID https://orcid.org/0009-0008-8421-8408 Oles Honchar Dnipro National University Volodymyr Habrinets ORCID: https://orcid.org/0000-0002-6115-7162 Oles Honchar Dnipro National University Mykhailo Vorobei ORCID: https://orcid.org/0009-0009-9173-8564 Oles Honchar Dnipro National University Purpose. This article presents an analysis of the tactical and technical characteristics of the Oreshnik medium-range ballistic missile, which, according to open-source data, was employed in a precision strike against an infrastructure facility in Dnipro in November 2024. The study …

Aerospace vehiclesMulti-criteria optimization of composite panels with rib reinforcement under combined loading

Multi-criteria optimization of composite panels with rib reinforcement under combined loading

Multi-criteria optimization of composite panels with rib reinforcement under combined loading Mykola Mormul ORCID: https://orcid.org/0000-0002-8036-3236 University of Customs and Finance Oleksandr Shchytov ORCID: https://orcid.org/0000-0002-1435-2918 TEC-Lyceum No. 100: Dnipro, UA Dmytro Shchytov ORCID: https://orcid.org/0000-0003-4306-8016 University of Customs and Finance Purpose. The study is aimed at finding a constructive balance between the mass and cost of composite panels with stiffeners that are subjected to combined loading. The optimization was carried out taking into account real operation conditions, when a slight improvement in …

Aerospace vehiclesDesign and Optimization of a Hybrid Gas Generator for Hydrogen Peroxide Tank Pressurization

Design and Optimization of a Hybrid Gas Generator for Hydrogen Peroxide Tank Pressurization

Design and Optimization of a Hybrid Gas Generator for Hydrogen Peroxide Tank Pressurization Mykhailo Vorobei ORCID: https://orcid.org/0009-0009-9173-8564 Oles Honchar Dnipro National University Mykola Bondarenko ORCID: https://orcid.org/0009-0008-8421-8408 Oles Honchar Dnipro National University Purpose. This study develops a pressurization system for hydrogen peroxide tanks using a hybrid gas generator powered by liquid oxygen and solid fuel. The system aims to improve hybrid rocket engine efficiency and reliability by stabilizing oxidizer tank pressure. Applications in space and defense are considered, where performance and …

Aerospace vehiclesAnalysis of the Possibilities for Developing an Unmanned Aerial Vehicle for Radiation Monitoring

Analysis of the Possibilities for Developing an Unmanned Aerial Vehicle for Radiation Monitoring

Analysis of the Possibilities for Developing an Unmanned Aerial Vehicle for Radiation Monitoring Volodymyr Palamarchuk ORCID: https://orcid.org/0000-0002-5535-7125 Prydniprovs’ka State Academy of Civil Engineering and Architecture Oleksandr Pylypenko ORCID: https://orcid.org/0000-0002-9644-3118 Prydniprovs’ka State Academy of Civil Engineering and Architecture Purpose. This research focuses on analyzing the feasibility of developing an unmanned aerial vehicle (UAV) specifically designed for measuring radiation levels. Such a UAV would enhance safety and provide essential data in scenarios where human presence is either impossible or hazardous. Design / …

Aerospace vehiclesHomogeneous Model in Finite Element Analysis for Natural Frequency Calculation of Axisymmetric Shells

Homogeneous Model in Finite Element Analysis for Natural Frequency Calculation of Axisymmetric Shells

Homogeneous Model in Finite Element Analysis for Natural Frequency Calculation of Axisymmetric Shells Volodymyr Lipovskyi ORCID: https://orcid.org/0000-0002-7939-7973 Oles Honchar Dnipro National University Purpose. The article aims to provide practical recommendations for calculating natural frequencies in axisymmetric shells using finite element methods. It focuses on the need to develop a simplified model that can be used in any modern finite element software package. The study analyzes the impact of the simplified homogeneous model on the deviation and error of natural frequencies …

Aerospace vehiclesUsing Hydrogen Peroxide for Rocket Fuel Tank Pressurization: Innovations, Advantages, and Challenges

Using Hydrogen Peroxide for Rocket Fuel Tank Pressurization: Innovations, Advantages, and Challenges

Using Hydrogen Peroxide for Rocket Fuel Tank Pressurization: Innovations, Advantages, and Challenges Mykhailo Vorobei ORCID: https://orcid.org/0009-0009-9173-8564 Oles Honchar Dnipro National University Mykola Bondarenko ORCID: https://orcid.org/0009-0008-8421-8408 Oles Honchar Dnipro National University This paper explores the innovative use of hydrogen peroxide (H₂O₂) as a pressurizing agent for rocket fuel tanks, highlighting its potential to enhance efficiency and performance in rocket propulsion systems. The study delves into the thermodynamic and chemical properties of H₂O₂, emphasizing its advantages over traditional pressurizing methods such as …