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[ Technical Papers ] | |
Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 27, No. 1, pp. 76-81 | |
Abbreviation: J. Korean Soc. Manuf. Technol. Eng. | |
ISSN: 2508-5107 (Online) | |
Print publication date 15 Feb 2018 | |
Received 17 Oct 2017 Revised 19 Dec 2017 Accepted 22 Dec 2017 | |
DOI: https://doi.org/10.7735/ksmte.2018.27.1.76 | |
삼중음속 풍동 가변노즐 자동 운영시스템 개발 | |
Development of Variable Nozzle Automated System for Trisonic Wind Tunnel | |
aAgency for Defense Development, P.O.Box 35, Yuseong-gu, Daejeon 34060, Korea | |
Correspondence to : *Tel.: +82-42-821-0495, Fax: +82-42-821-3400, E-mail address:jihun@add.re.kr (Jihun Ko). | |
It is necessary to design a suitable nozzle shape to achieve a Mach number in the trisonic wind tunnel (TWT). The nozzle shape of the Agency for Defense Development (ADD) TWT has been developed manually. This method results in a long setting time and some human errors. In order to address these problems, we propose a variable nozzle automated system for ADD TWT. It consists of an automated jack screw and nozzle plate protecting parts. The experimental results show that the proposed system yields better productivity and repeatability than the conventional nozzle system for wind tunnel tests. It can contribute toward the fast production of accurate aerodynamic data.
Keywords: Nozzle, Automation, Trisonic, Wind tunnel, Servo |
1. | Ko, J. H., Kim, H. J., 2014, Report of the Nozzle Automation in TWT, Agency for Defense Development. |
2. | Ko, J. H., Kim, H. J., Shin, S. B., Kim, Y. J., 2016, The Flexible Nozzle Safety System for Wind Tunnel and Controlling Method Thereof, KR Patent: 10-1661150. |
3. | Kim, H. J., Ko, J. H., Shin, S. B., Kim, Y. J., 2017, Final Report of TWT Nozzle Upgrade and Automation Project, Agency for Defense Development. |
4. | Kim, H. J., Ko, J. H., Shin, S. B., Kim, Y. J., 2017, Measuring Device for Displacement of Flexible Nozzle System, KR Patent: 10-1736941. |
5. | Mcwherter, C. R., Fetter, A. R.,1978, Wind Tunnel Facilities Operation Handbook, FLUIDYNE Engineering Corporation. |
6. | Ko, J. H., Kim, H. J., Shin, S. B., Kim, Y. J., Kim, N. G., 2017, HMI Program for Flexble Nozzle in the Trisonic Wind Tunnel, Republic of Korea Program: C-2017-015111. |
7. | Song, S. M., Ma, S. J., Kim, K. W., Kim, C. W., 2017, A Study About Kinematics Characteristics of Variable Nozzle Operating in High Speed Environment, 2017 KSMTE Spring Conference, 177. |