• News Archive
  • Simaster
  • Webmail
  • Directory
  • Crisis Center
  •  English
    • Indonesia
Universitas Gadjah Mada Universitas Gadjah Mada Universitas Gadjah Mada Universitas Gadjah Mada
  • Education
    • Doctoral dissertation
    • Inauguration of Professor
    • Graduation
  • Achievement
  • Research and Innovation
    • Research
    • Innovation
  • Campus Info
    • Cooperation
    • Seminar and Workshop
    • Student Community Service Program
    • Other
  • News Report
  • Home
  • Doctoral dissertation
  • Research into Flooding in Nuclear Reactor Produces Doctorate

Research into Flooding in Nuclear Reactor Produces Doctorate

  • 08 February 2018, 09:11 WIB
  • By: Marwati
  • 1476
Raih Doktor Usai Meneliti Kajian Flooding Reaktor Nuklir

Study on the safety of nuclear power plant continues to be done. UGM doctoral student in Mechanical Engineering, Apip Badarudin, was studying the mechanism of flooding in counter-current flow gas and liquid in complex pipe system.

According to Apip, one of the weaknesses in previous flooding mechanism observation was that flooding identification was determined subjectively using visual observation or video images. To support this research, Apip made measurements that minimise visual identification.

“For my research, I have measured the thickness of film in flooding phenomena by image processing method and parallel wire conductance,” said Apip in his doctoral promotion at Faculty of Engineering UGM recently.

He found visual observation from film liquid behaviour when approaching the flooding, identified as two mechanisms of flooding, which are front-flooding and rear-flooding. “The two mechanisms may happen due to the position of flooding in the front pipe or the back pipe in the testing section,” he said.

Front-flooding occurs in horizontal pipe with the ratio of length and diameter (L/D) 50 and 94.5. It is also found in horizontal pipe with L/D 25 in low and medium water surface. The mechanism starts by the formation of unstable waves in the hydraulic jump of the horizontal pipe near the bend, the waves increase along with time.

“When the height of wave is at the maximum, it will close the pipe surface and on set of flooding occurs,” he said.

Meanwhile, rear-flooding is found in horizontal pipe with L/D 25 in  high water superficial velocity. This starts from the sudden formation of big waves that close down the pipe surface near water outlet, and onset of flooding occurs.

Apip hoped the research would contribute to the development of Pressurized Water Reactor (PWR) design and renew databases. The data can also be used as preliminary data for the development of mechanistic model to predict flooding in complex pipe system.

 

Related News

  • Researching Heat Pipe Flooding, Mahmudin Gained Doctorate

    Monday,06 February 2012 - 13:20
  • UGM Researchers Develop Nuclear Battery Prototype

    Monday,25 November 2019 - 11:12
  • Faculty of Engineering UGM Prepares Research on Latest Nuclear Reactor Design

    Friday,07 October 2011 - 9:06
  • Nuclear Technology Not Only for Nuclear Power Plants

    Tuesday,24 May 2011 - 9:41
  • UGM Student Earns Golden Award in "Tokyo Tech Indonesian Commitment Award"

    Tuesday,16 November 2010 - 15:01

News Releases

  • 18,964 UGM Students Receive Scholarships, Director of Student Affairs Says 20 January 2023
    Universitas Gadjah Mada (UGM) annually allocates hundreds
    Salma
  • Prof. Budi Setiadi Daryono Recounts Origin of His Apple Melon Cultivar 'Hikapel' 16 January 2023
    In 2012, a team of researchers from the UGM Facult
    Salma
  • UGM Graduate Fajar Kelana Named Top 20 International James Dyson Award Winner 13 January 2023
    Fajar Sidik Abdullah Kelana, an alumnus of UGM and
    Salma
  • Chemical Eng. Students Win International Youth Ideas Competition 05 January 2023
    UGM Chemical Engineering students Andhirta Rukmarata Chani
    Salma
  • UGM Secures IDR 67 Billion From 2022 Kedaireka Matching Fund, Most Among Other Universities 30 December 2022
    Universitas Gadjah Mada (UGM) has topped the list of unive
    Salma

Event

No latest event at this time

Universitas Gadjah Mada
UNIVERSITAS GADJAH MADA
Bulaksumur Yogyakarta 55281
   info@ugm.ac.id
   +62 (274) 588688
   +62 (274) 565223
   +62 811 2869 988

PARTNERSHIP

  • Alumni
  • International Affairs

ABOUT UGM

  • Rector's Welcome
  • History
  • Vission and Mission
  • The Board of Executive
  • Management

VISIT UGM

  • Campus Map
  • Event

REGISTRATION

  • Undergraduate
  • Graduate
  • Vocational School
  • Professional Program
  • International Program

© 2023 Universitas Gadjah Mada

PRIVACY POLICYCONTACT