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The Localization Development for Korean Utility Helicopter's On-Board Inert Gas Generation System

한국형 기동헬기 불활성가스발생장치 국산화 개발

  • Received : 2017.05.19
  • Accepted : 2017.07.07
  • Published : 2017.07.31

Abstract

Military rotary aircraft are heavily exposed to projectile environments due to their mission characteristics, and fires caused by fuel leaks after shooting are linked directly to the loss of human life. To improve the survivability of pilots and crews, the fuel tank in rotary aircraft must have gunfire resistance and anti-explosion characteristics. Gunfire resistance can be satisfied by applying a self-sealing cell to a fuel tank. Anti-explosion can be satisfied by reducing the oxygen concentration in an explosive area and suppressing the generation of combustible fuel vapor by minimizing the evaporation rate of the fuel by heat. A Korean utility helicopter applies anon-board inert gas generation system to meet the anti-explosion requirements for ballistic impact. The generator fills the fuel tank with an inert gas and reduces the oxygen concentration. This paper describes the overall development process of the OBIGGS developed in accordance with the localization process of weapon components. OBIGGS was developed/manufactured through domestic technology, and the performance was found to be equal to or better than that of the existing products through single performance tests and aircraft mounting tests.

군용 회전익 항공기는 임무 특성상 피탄 환경에 노출이 많이 되며, 피탄 후 연료누설에 의한 화재는 인명 손실로 직결된다. 피탄 시 조종사 및 승무원 생존성 향상을 위해 회전익 항공기 연료탱크는 내탄 성능과 내 폭발 성능이 요구된다. 내탄 성능은 자기밀폐성 셀을 연료탱크에 적용하여 만족시킬 수 있으며, 내폭발 성능은 폭발가능 영역의 산소 농도를 낮추는 방법과 열에 의한 연료의 증발을 최소화하여 가연성 연료 증기의 생성을 억제하는 방법을 통해 만족시킬 수 있다. 한국형 기동헬기는 피탄에 대한 내폭발 요구도를 만족시키기 위해 불활성가스발생장치를 통해 연료탱크 내 불활성 가스를 충진 시켜 산소농도를 낮추는 방법을 적용하고 있다. 본 논문에서는 국내 무기체계 양산단계의 부품국산화 업무 절차에 따라 개발된 불활성가스 발생장치의 개발 과정 전반에 대하여 기술하고 있다. 순수 국내 기술력을 통해 개발/제작 되었으며, 단품 성능 시험 및 항공기 장착 시험을 통해 기 장착되어 있는 제품 대비 동등이상의 성능을 가짐을 확인할 수 있었다.

Keywords

References

  1. Department for Communities and Local Government, Fire and Rescue Service Operational Gudiance-Aircraft Incidents, pp. 116-164, TSO(The Stationery Office), 2012.
  2. J. H. Kim, C. Y. Kim, J. J. Jang, M. Y. Lee, D. S. Shim, "Design Improvement of Vent System for Korean Utility Helicopter's Anti-Explosion fuel Tank", J. of The Korean Society for Aeronautical and Space Sciences, vol. 45, no. 1 pp. 76-81, 2014. DOI: https://doi.org/10.5139/JKSAS.2014.42.1.76
  3. H. G. Kim, S. C. Kim, J. W. Lee, I. H. Hwang, J. W. Hue, D. W. Shin, T. K. Jung, B. G. Ha, "Assessment of Self-sealing Performance of the Fuel Tank of the Rotorcraft against Ginfire Projectiles", J. of The Korean Society for Aeronautical and Space Sciences, vol. 38, no. 5 pp. 477-481, 2010. DOI: https://doi.org/10.5139/JKSAS.2010.38.5.477
  4. H. G. Kim, S. C. Kim, "Study on the Phase II Qualification Test for Fuel Cell of Rotorcraft", J. of The Korea Academia-Industrial cooperation Society, vol. 14, no. 3 pp. 1054-1060, 2013. DOI: https://doi.org/10.5762/KAIS.2013.14.3.1054
  5. S. K. Kim, "Investigation of means for protecting fuel tank explosion", J. of Aerospace Engineering and Technology, vol. 3, no. 1 pp. 272-276, 2004.
  6. Defense Acqusition Program Administration, Helocpoter,Utility, Korea Defence Standard KDC 1450-T4011, pp. 121, Defense Acquisition Program Administration, 2012.
  7. J. W. Seo, C. Y. Cho, S. R. Lee, Y. D. Choi, "Thermal Characteristics of a Primary Surface Heat Exchanger with Corrugated Channels", J. of Entropy, vol. 18, no. 1, 15, 2016. DOI: https://doi.org/10.3390/e18010015
  8. J. F, RICHARDSON, J. H. HARKER, J. R. BACKHURST, Chemical Engineering, p.37-91, Butterworth-Heinemann, 2013.
  9. C. Hepburn, Polyurethane Elastomers, p.51-106, Springer Science & Business Media, 2012.
  10. Winston Ho, Kamalesh Sirkar, Membrane Handbook, p.25-53, Springer Science & Business Media, 2012.
  11. D. Y. OH, S. Y. HA, J. M. Lee, H. J. Kim, S. Y. Nam, "Developing Trend of Gas Separation Membrane for OBIGGS", Korea Industrial Chemistry News, vol. 13, no. 3 pp. 37-45, 2011.
  12. J. M. Lee, M. G. Lee, D. J. Kim, S. Y. Nam, "Characterization of Gas Permeation Properties of Polyimide Copolymer Membranes for OBIGGS", Membrane journal, vol. 24, no. 4 pp. 325-331, 2014. DOI:https://doi.org/10.14579/MEMBRANE_JOURNAL.2014.24.4.325