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1991 Fiscal Year Final Research Report Summary

Experiment of Lightning Triggered by Rocket in Indonesia

Research Project

Project/Area Number 02041041
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionField Research
Research InstitutionToyota College of Technology (1991)
Nagoya University (1990)

Principal Investigator

HORII Kenju  Toyota College of Technology, 校長 (70023223)

Co-Investigator(Kenkyū-buntansha) SUNOTO M. A  Darma Persada University, Vice Rector, 副学長
SOEKARTO J.  Electric Power Research Centre of State Electricity Corp., 研究所長
SIRAIT K. T.  Institute of Technology Bandung, 工学部, 教授
KAWASAKI Zenichiro  Osaka University, faculty of Engineering, 工学部, 講師 (60126852)
NAKANO Minoru  Toyota College of Technology, 教授 (50023685)
SUMI Shinichi  Chubu University, Faculty of Engineering, 工学部, 講師 (00102773)
YODA Masayuki  Aichi Institute of Technology, 助教授 (80103240)
NAKAMURA Koichi  Nagoya Institute of Technology, 工学部, 助教授 (10024283)
YAMABE Chobei  Nagoya University, Faculty of Engineering, 工学部, 助教授 (30093082)
KITO Yukio  Nagoya University, Faculty of Engineering, 工学部, 教授 (00023044)
Project Period (FY) 1990 – 1991
KeywordsLightning / Rocket triggered lightning / Lightning protection / Lightning current / Lightning conductor / Streaking camera / 配電線 / サ-ジ電圧
Research Abstract

In the rain season of Indonesia, the lightning is generated almost every day, and the lightning protection techniques for electric power system are very important. The rocket triggered lightning experiment is very useful for the research of lightning as well as the observation of natural lightning. The techniques are developed in Japan from 1977 by the Japanese members of this program.
The rocket triggered lightning experiment in Indonesia has been carried out from 1989 near Bandung and from 1990 at Gunung Mas tea plantation near Puncak pass in the south of Jakarta. The first successful triggering was performed on 6. April during the second experiment in 1990. In the third experiment from February to March of 1991, seven successful triggerings were achieved. In the forth experiment from December in 1991 to February in 1992, six successful triggerings were achieved.
The total was 14 triggerings with success rate of 50% for the normal shootings of rocket. The maximum lightning current was 16kA, while about a half of lightnings was less than l. 5kA. The polarity was negative for 12/14, and it is similar to that in Japanese summer lightning.
In the forth experiment, the lightning discharge to the lightning conductor of 10m in height near launcher was triggered. From the picture of streaking camera, the second stroke of 0.5 second after the first stroke to the launcher propagated to the top of lightning conductor. It is very useful to discuss on the protection effect by conductor.
This program will be continued in Indonesia under the premise of technical and financial support from Japan.

  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] 堀井 憲爾,他7名: "インドネシアにおけるロケット誘雷実験" 電気学会研究会資料. EDー91ー123,HVー91ー40. 99-104 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 堀井 憲爾,他7名: "インドネシアにおけるロケット誘雷実験ー避雷針への誘雷" 電気学会論文誌. 112ーB. (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Horii, Kenji, et a: "Cooperative Experiment of Rocket Triggered Lightning in Indonesia" Paper of Technical Meeting on H. V. and E. D., IEE of Japan. ED-90-156, HV90 43. 97-103 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Horii, Kenji, et al: "Experiment of Triggered Lightning in Indonesia" Transaction of IEE of Japan. 110-B. 1068-1069 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Horii, Kenji, et al: "Experiment of Triggered Lightning in Indonesia" Paper of Technical Meeting on H. V. and E. D., IEE of Japan. ED-91-123, HV-91 40. 99-104 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Horii, Kenji, et al: "Experiment of Triggered Lightning in Indonesia - Triggered Lightning to Lightning Conductor" Transaction of IEE of Japan. 112-B. (1992)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1993-03-16  

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