Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Bong-Geon Chae"'
Publikováno v:
Aerospace, Vol 11, Iss 9, p 738 (2024)
This paper describes the design and experimental verification of a 6 m parabolic deployable mesh reflector antenna mechanism based on a superelastic shape memory alloy. This antenna mainly consists of a deployable primary reflector with a superelasti
Externí odkaz:
https://doaj.org/article/a3c8be1f432949b999556c49b25bdab3
Publikováno v:
Aerospace, Vol 11, Iss 9, p 780 (2024)
Proper prediction of the temperature variation in a metallic wire mesh for spaceborne large deployable reflector antennas is essential for evaluating the dimensional stability of the antenna under extreme on-orbit thermal environments. However, predi
Externí odkaz:
https://doaj.org/article/db37386b1e8a489e9faf855edda368e4
Publikováno v:
Aerospace, Vol 9, Iss 5, p 268 (2022)
In this study, we propose a thermal design for an on-board blackbody (BB) for spaceborne infrared (IR) sensor calibration. The main function of the on-board BB is to provide highly uniform and precise radiation temperature reference sources from 0 °
Externí odkaz:
https://doaj.org/article/229cfe744dc04d01a6f604ce6523a6b5
Publikováno v:
Aerospace, Vol 8, Iss 10, p 278 (2021)
The main objective of the S-STEP (the Small Synthetic Aperture Radar (SAR) Technology Experimental Project (S-STEP)) mission is developing an 80-kg-class active X-band SAR observation small satellite. For lighter, smaller, better, and cheaper develop
Externí odkaz:
https://doaj.org/article/04628de15e714044a9b6ecaf7a83621a
Publikováno v:
International Journal of Aerospace Engineering, Vol 2019 (2019)
In the present work, a deployable solar panel based on a burn wire triggering holding and release mechanism was developed for use of 6 U CubeSat. The holding and release mechanism was designed based on a nichrome burn wire cutting method widely used
Externí odkaz:
https://doaj.org/article/95fd544abcf94afbaa9e6d4c348b94f9
Autor:
Jin-Hyuk Kim, Si-A Lee, Tae-Yong Park, Han-Sol Choi, Hongrae Kim, Bong-Geon Chae, Hyun-Ung Oh
Publikováno v:
Journal of Space Technology and Applications. 1:364-374
Autor:
Hyun-Ung Oh, Bong-Geon Chae
Publikováno v:
International Journal of Aeronautical and Space Sciences. 22:1464-1480
This paper presents the Power Plant Trio (PPT) Can Satellite (CanSat) platform developed by the University of Chosun, South Korea, with a focus on energy harvesting systems. The main objective of this project is to confirm the effectiveness of solar,
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 46:867-875
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 46:315-323
캔 위성은 음료수 캔 크기로 위성의 전반적인 시스템을 모사할 수 있어 교육프로그램 일환으로서 큰 각광을 받고 있으며, 국내에서는 2012년도부터 매년 캔 위성 경연대회가 개최되고 있다.
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 46:306-314