Vivi Bella Callista

Vivi Bella Callista

Proofreader and Translator Assistant

Followers of Vivi Bella Callista435 followers
location of Vivi Bella CallistaJakarta, Indonesia

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  • Timeline

  • About me

    Reliability Engineer I Thermal Engineering and Energy Systems Laboratory

  • Education

    • SMA Kristen 6 Penabur Jakarta

      2016 - 2019
      Science
    • Institut Teknologi Sepuluh Nopember (ITS)

      2019 - 2023
      Bachelor of Engineering - BE Mechanical Engineering 3.67/4.00

      Thesis: Numerical Analysis of Primary Air to Coal Ratio Variation on Fireball Configuration and its Impact on Water Wall Tube Temperature and Equivalent StressActivities:- Laboratory Assistant for Thermal Engineering and Energy Systems Laboratory - Laboratory Assistant for Fluid Mechanics Laboratory - Proofreader and Translator Assistant for The International Journal of Mechanical Engineering and Sciences

  • Experience

    • The International Journal of Mechanical Engineering and Sciences (JMES)

      Feb 2022 - Jun 2023
      Proofreader and Translator Assistant

      Proofread and translated 20+ journal papers from Indonesian to English for The International Journal of Mechanical Engineering and Sciences (JMES).

    • Mechanical Engineering Department ITS

      Jul 2022 - Dec 2022
      Research Assistant

      - Conducted research on AB2 metal hydrides for hydrogen storage, analyzing correlations between 13 constituent elements and 4 key properties (unit cell volume, entropy, enthalpy, and equilibrium pressure).- Collected and processed data from 60+ research papers to build a comprehensive dataset.- Applied supervised machine-learning models (k-NN, linear regression, random forest, ridge regression) to predict battery properties based on composition.- Identified that the model accurately predicted unit cell volume but struggled with other properties, providing insights into machine-learning applications for hydrogen storage. Show less

    • PLTA Jelok PT Indonesia Power

      Jul 2022 - Jul 2022
      Engineering Intern

      - Designed a lubricant oil cooler to lower the temperature by 10°C using HTRI Software.- Conducted condition monitoring for vibration and noise on Francis turbines.- Participated in the annual inspection and maintenance of Unit 3 hydroelectric power plant.

    • PT. ITS TEKNO SAINS

      Jan 2023 - Jun 2023
      Engineering Staff

      - Analyzed ANSYS Fluent simulation results to evaluate combustion, sand movement, and fluid flow phenomena.- Identified root causes of technical issues by reviewing academic journals and performing calculations.- Conducted heat and mass transfer analysis on power plant components (high-pressure heater, boiler, cooling tower).- Read technical drawings and designed tube arrangements for high-pressure heaters using AutoCAD.- Projects involved: - 3D CFD Simulation After Additional Wing Wall Anti Erosion Grill and Roof Refractory CFB Boiler#1 PT Asahimas Chemical. - Detailed Engineering Design (DED) for 7 MW High-Pressure Heater at Sumbawa Barat Coal-Fired Power Plant. Show less

    • Wilmar International

      Oct 2023 - Jun 2025
      Reliability Engineer

      - Developed dashboards for maintenance, cost control, and engineering departments, ensuring seamless data integration across SAP Plant Maintenance, Microsoft Excel, and Power BI.- Developed Reliability Block Diagram (RBD) for biodiesel and oil refinery plant.- Implemented automated maintenance planning in SAP PM, enabling the system to generate maintenance orders (MO) based on predefined schedules for Indonesia and Malaysia plants.- Leading collaboration between maintenance and IT, ensuring every business process flow is captured by PM Mobile, which is Wilmar’s maintenance activities management application. Show less

  • Licenses & Certifications

    • Reliability Block Diagram

      PT Golden Regency Consulting (GRC Training)
      Apr 2024
    • IELTS Academic 7.5

      IELTS Official
      Feb 2025
    • Strength Analysis Pressure Vessel Mengacu Pada Standar ASME & Analisis Performa Heat Exchanger

      Hetra Teknologi Indonesia
      Aug 2024
    • SAP Plant Maintenance

      PT. Wilmar Nabati Indonesia
      Dec 2023
  • Honors & Awards

    • Awarded to Vivi Bella Callista
      Finalist | 34th Pekan Ilmiah Mahasiswa Nasional (PIMNAS) Kementerian Pendidikan, Kebudayaan, Riset, dan Teknologi Oct 2021 -Designed a fatigue detection system based on heart rate and eye blink equipped with email and buzzer alerts to increase health workers productivity.-Using python as programming language and raspberry pi as microcontroller.
    • Awarded to Vivi Bella Callista
      Best Presentation and Top 10 | National Scientific Paper Competition 14th Annual Conference of Economic Forum (ALCOFE) Himpunan Mahasiswa Jurusan Ekonomi Pembangunan Universitas Sebelas Maret Nov 2020 -Developed KALIGO (Kaki Street Goes Online): e-marketplace solution for street vendors in new normal era
    • Awarded to Vivi Bella Callista
      Top 20 | Call for Essays “Energy, Sustainability & Society: Idemu untuk Negeri” Direktorat Jenderal Ketenagalistrikan, Kementerian ESDM RI, and ECADIN (Energy Academy Indonesia) Oct 2020 -Utilized hybrid energy to produce clean water and salt in coastal areas with reverse osmosis and vertical wind turbine
  • Volunteer Experience

    • Liaison Officer

      Issued by 4th Professor Submit ITS on Oct 2022
      4th Professor Submit ITSAssociated with Vivi Bella Callista
    • Engine Tune Up I Publication and Documentation Crew

      Issued by Lembaga Bengkel Mahasiswa Mesin on Feb 2020
      Lembaga Bengkel Mahasiswa MesinAssociated with Vivi Bella Callista