Investigation on Performance Characteristics of Hydrazine Monopropellant Thruster according to Reaction Chamber Adiabatic Temperature [PDF]
فصلنامه علوم و فناوری فضایی, 2022 In this paper, by creating and developing a code based on thermodynamics and gas dynamics equations, the performance characteristics of a 1N hydrazine monopropellant thruster such as thrust force, specific impulse, characteristic exhaust velocity, and ...
Seyyed Rashad Rouholamini +3 more
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Fault diagnosis for space utilisation
The Journal of Engineering, 2019 The space application task is to carry out various scientific experiments and applied research by using the ability of space experiment of spacecraft.
Yuanyuan Sun +4 more
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Effect of Injector Pressure Drop on The Performance of A 1 N Monopropellant Thruster [PDF]
فصلنامه علوم و فناوری فضایی, 2022 The effects of injector pressure drop on the performance of a catalytic reactor are studied experimentally. The injectors were simple orifices. Dynamic interactions between the injector and the reactor determine the transient behavior of the system ...
Alireza Rajabi +6 more
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Neutron Attenuation and Mechanical Properties of Lithium-Cadmium Oxide-Polyester Resin Composites for Space Applications [PDF]
Journal of Biomedical Physics and EngineeringBackground: Long-duration space missions expose astronauts to hazardous radiation, including Galactic Cosmic Rays (GCRs) and Solar Particle Events (SPEs), producing secondary neutrons that penetrate spacecraft.
Hassan Vafapour +1 more
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Substantia, 2018 Chemical Imaging helps to answer difficult questions, especially when those questions occur in complex environments. For instance, forensic neuroradiology plays an important role in the courtroom to understand a defendant’s personality.
Vincenzo Lusa, Annarita Franza
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Improving inertial separating penetrators considering the features of their impact penetration into the studied celestial bodies [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"The article considers factors that can negatively affect the creation of reliable radio communication between an inertial separating penetrator after its impact penetration into the soil of the studied celestial body and an orbital vehicle. The authors
E. V. Leun, S. A. Chalov
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Determination of damage to undeletable and deletable windows of promising penetrators from the impact of high-speed regolith particles during impact penetration into the soil of the Moon [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"The article discusses promising penetrators with non-removable transparent and removable opaque windows, created mainly from corundum and ice composite, respectively.
D. B. Dobriza, E. V. Leun
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Investigating propellant flow in the converging-diverging nozzle with atmospheric outlet conditions by means of numerical simulation and validating the results with experimental tests [PDF]
علوم، فناوری و کاربردهای فضایی, 2023 Backflow is a phenomenon that occurs due to the increase of upstream pressure compared to downstream pressure. In converging-diverging nozzles, by increasing the outlet pressure compared to the design pressure, the phenomenon of backflow is observed in ...
adel Pourtaghi Marzrood +3 more
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Solar-Terrestrial Physics, 2023 Solar activity and solar wind parameters decreased significantly in solar cycles (SCs) 23–24. In this paper, we analyze solar wind measurements at the rising phase of SC 25 and compare them with similar data from the previous cycles. For this purpose, we
Yermolaev Y. I. +8 more
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The coming of age of cosmophysics
Anais da Academia Brasileira de Ciências, 2003 ''Cosmophysics'' as reviewed is a multidisciplinary domain which brings together astroparticle physics, fundamental physics in space and topics related to the structure and evolution of the Universe.
Maurice Jacob
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