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The analysis of features of occurrence of inertial explosion in problems of high-speed impact of metal penetrators into the studied celestial body and meteor-technogenic particles into elements of spacecraft [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2022
The article discusses the features of the occurrence of an inertial explosion (IE) in the problems of high-speed impacts on a solid barrier of two types of impactors: metal penetrators into the studied celestial body for space contact scientific ...
E. V. Leun   +3 more
doaj   +1 more source

Designing an optical system for plant research in space [PDF]

open access: yesفناوری در مهندسی هوافضا, 2023
Light is as an environmental factor affecting plant growth. So far, various light sources have been used to grow plants in closed systems and space studies. Traditional light sources have some problems and are not suitable for space research. The biggest
Halimeh Hassanpour
doaj   +1 more source

Designing a model for creating an organization with high reliability, case study: Iran space research institute [PDF]

open access: yesInternational Journal of Research in Industrial Engineering, 2022
Given the challenges and global uncertainties in the business’s, the use of futurism to improve management in space research center in Iran has become very important.
Aminullah Teymouri   +3 more
doaj   +1 more source

Some features of impact penetration of penetrators into ground of celestial bodies [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2021
The article discusses the features of the inertial explosion of metal products and the prevention of its occurrence during its impact introduction of a metal penetrator into the ground of celestial bodies.
E. V. Leun   +5 more
doaj   +1 more source

Experimental Investigation of the Performance of a Monopropellant Hydrazine Thruster in Atmospheric Conditions [PDF]

open access: yesعلوم، فناوری و کاربردهای فضایی, 2022
In this research, the performance of a monopropellant hydrazine thruster in atmospheric conditions has been investigated experimentally. For this purpose, after designing and constructing the thruster according to the functional requirements of the ...
mohamad ali amirifar   +4 more
doaj   +1 more source

E-sail test payload of the ESTCube-1 nanosatellite [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2014
The scientific mission of ESTCube-1, launched in May 2013, is to measure the electric solar wind sail (E-sail) force in orbit. The experiment is planned to push forward the development of the E-sail, a propulsion method recently invented at the Finnish ...
Jouni Envall   +19 more
doaj   +1 more source

Study the Performance of Hydrazine Monopropellant Thruster Catalysts with Different Iridium Loading [PDF]

open access: yesعلوم، فناوری و کاربردهای فضایی, 2022
In this paper, the effects of different weight percentage of iridium (Ir) nanoparticles loadings on performance parameters of hydrazine catalyst and monopropellant thruster have been studied. Nanoparticles of iridium with different contents of 10 wt%, 20
Nooredin Ghadiri Massoom   +5 more
doaj   +1 more source

Pulse-mode Performance Evaluation of a Monopropellant Hydrazine Thruster [PDF]

open access: yesعلوم، فناوری و کاربردهای فضایی, 2023
In this study, the pulse mode performance of a monopropellant hydrazine thruster has been studied. For this purpose, a laboratory sample of a monopropellant hydrazine thruster under atmospheric pressure was fabricated and tested.
mohamad ali amirifar   +3 more
doaj   +1 more source

Surgery in the Next Space Missions

open access: yesLife, 2023
In the coming years, missions to the Moon and Mars shall be the new goals of space flight. The complexity of these missions due to the great distance from Earth and the unforeseen obstacles to settle on another planet have given rise to great concerns ...
Desiree Pantalone
doaj   +1 more source

May the Force Be with You (Or Not): The Immune System under Microgravity

open access: yesCells, 2021
All terrestrial organisms have evolved and adapted to thrive under Earth’s gravitational force. Due to the increase of crewed space flights in recent years, it is vital to understand how the lack of gravitational forces affects organisms.
Mei ElGindi   +6 more
doaj   +1 more source

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