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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 …

Aerospace vehiclesSemantic difficulties of the English aerospace terminological system

Semantic difficulties of the English aerospace terminological system

Semantic difficulties of the English aerospace terminological system Irina Suima ORCID: https://orcid.org/0000-0002-2209-8614 Oles Honchar Dnipro National University The Purpose of the research is to describe the modern system of astronomical and rocket engineering terminology and to investigate the peculiarities of the translation of the relevant terms into the Ukrainian language. Research Methods: methods of linguistic analysis, descriptive and comparative methods, methods of classification and systematization. Findings: The aerospace terminological system does not exist separately from the terminological systems of other …

Aerospace vehiclesSynthesis of design and technological solutions in the development of UAV launch system

Synthesis of design and technological solutions in the development of UAV launch system

Synthesis of design and technological solutions in the development of UAV launch system Artem Shvets ORCID: https://orcid.org/0009-0006-7637-9143 Oles Honchar Dnipro National University Ihor Bilotserkovskyi ORCID: https://orcid.org/0009-0009-5102-7864 Oles Honchar Dnipro National University Oleksii Kulyk ORCID: https://orcid.org/0000-0002-2913-4462 Oles Honchar Dnipro National University Oleksandr Dobrodomov ORCID: https://orcid.org/0009-0005-9926-6638 Oles Honchar Dnipro National University This scientific paper examines the process of launching unmanned aerial vehicles (UAVs) using a solid-fuel rocket engine. The primary focus is on analyzing the design and technological aspects and advantages of …