Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Tae-Seong Roh"'
Publikováno v:
Aerospace, Vol 11, Iss 7, p 570 (2024)
Rotating detonation engines (RDEs), which are Humphrey cycle-based constant-volume combustion engines, utilize detonation waves to attain higher efficiencies compared with conventional constant-pressure combustion engines through pressure gain. Such
Externí odkaz:
https://doaj.org/article/d3982898b6074aab895f03e6b49fda2e
Publikováno v:
Aerospace, Vol 10, Iss 12, p 979 (2023)
This study was focused on the configuration design of a star grain by using machine learning in the optimal design process. The key to optimizing the grain design is aimed at obtaining a set of configuration variables that satisfy the requirements. T
Externí odkaz:
https://doaj.org/article/b20d567b99ed4c2186b4df261f1fd526
Publikováno v:
Aerospace, Vol 10, Iss 10, p 836 (2023)
Base drag has a significant effect on the overall drag of a projectile in a supersonic flow. Herein, the base drag and flow characteristics of cold and hot gas flow in a supersonic flow are analyzed via numerical simulations. The hot gas flow is simu
Externí odkaz:
https://doaj.org/article/fcbe203074f841e4a22a297f6d5ca022
Publikováno v:
Aerospace, Vol 9, Iss 9, p 477 (2022)
With the growth of the satellite industry, the demand for a propulsion system for small launch vehicles and spacecraft has increased. Small liquid rocket engines may require Ultra-Low specific speed centrifugal pumps due to the low required thrust an
Externí odkaz:
https://doaj.org/article/f6f7972912eb46768c8cb03fc7cf6bc9
Publikováno v:
Energies, Vol 14, Iss 11, p 3210 (2021)
In this study, a minimum amount of required propellant was calculated by analyzing the sequence with various re-entry conditions. This study aims to obtain data related to variation in trajectory and required propellant weight according to various re
Externí odkaz:
https://doaj.org/article/0b9d02827e3f4cfb88f8bb3e45eda714
Publikováno v:
Journal of the Korean Society of Propulsion Engineers. 27:17-26
Publikováno v:
International Journal of Aeronautical and Space Sciences. 24:146-165
Publikováno v:
International Journal of Aeronautical and Space Sciences. 24:131-145
Publikováno v:
International Journal of Aeronautical and Space Sciences. 23:870-881
Publikováno v:
AIAA Journal. 60:3342-3346