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All Journal Jurnal Pendidikan Vokasi Cakrawala Pendidikan JPTK: Jurnal Pendidikan Teknologi dan Kejuruan Journal of Education and Learning (EduLearn) Journal of Educational Science and Technology JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Mimbar Ilmu VOX EDUKASI: Jurnal Ilmiah Ilmu Pendidikan Journal of Applied Engineering and Technological Science (JAETS) Automotive Experiences Journal of Applied Mechanical Engineering Innovation
Thomas Sukardi
Fakultas Teknik Universitas Negeri Yogyakarta
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Journal : Journal of Applied Mechanical Engineering Innovation

 1 
Optimization of The E-Inobus Battery Pack Cooling System Design Using The Computational Fluid Dynamic Method To Overcome Condensation Rizky Arya Saputra; Thomas Sukardi; Fredy Surahmanto
Journal of Applied Mechanical Engineering Innovation Volume 01, No. 02 October 2025
Publisher : Program Studi Sarjana Terapan Teknik Mesin, Fakultas Vokasi, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jamei.v1i2.3002

Abstract

The use of battery packs as a source of electrical energy on E-Inobus requires a cooling system, the goal is to maintain battery pack performance in optimal conditions. In its application, there are problems due to the use of a cooling system which causes an increase in air humidity inside the battery box resulting in condensation. Therefore, this study aims to obtain a design for optimizing the cooling system battery pack. This study uses the R&D method which refers to the 4D model. The subject of this research is the E-Inobus cooling system battery pack. The object of research is the development of a cooling system battery pack design to prevent condensation. Data collection was carried out to obtain data from testing the cooling system battery pack design using the Computational Fluid Dynamic (CFD) testing method to be used as input parameters in testing the cooling system battery pack optimization design. The results of the battery pack testing and the optimization of the battery pack cooling system design will later be used as control set points in the reconditioned box design. The results of this study are in the form of a reconditioned box design that has a control system. The control system is used to control air velocity and pressure, the purpose of which is to prevent condensation and to maintain fluid temperature and pressure in a balanced condition
Lean Manufacturing and Manufacturing Cycle Effectiveness Analysis of the Fabrication Process for the PT Pou Yuen Workshop Construction Zahid Karim Hanifan; Thomas Sukardi
Journal of Applied Mechanical Engineering Innovation Volume 01, No. 02 October 2025
Publisher : Program Studi Sarjana Terapan Teknik Mesin, Fakultas Vokasi, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jamei.v1i2.3010

Abstract

This study aims to increase production effectiveness in the fabrication process for the PT Pou Yuen Indonesia workshop construction by applying Lean Manufacturing and Manufacturing Cycle Effectiveness (MCE). The research used a quantitative descriptive method by taking representative samples from the overall production process in the cutting, setting, and submerged arc welding (SAW) lines. Data were collected through interviews, observation, documentation, and measurements of process time and transfer distance. The results show that the most effective cutting method is the method used by MSS, which applies a double-nozzle cutting process. In the setting process, the most effective methods are those used by MKR and MSS because they require fewer workers and have shorter process times than SST. In the welding process, the most effective method is the method used by MKR because flux is supplied during the welding process. Several types of waste were identified, including waiting time, transportation waste, inventory waste, motion waste, and processing waste. Applying the recommended process methods can reduce the total production process time by 9,011.99 seconds for one WF beam and reduce transfer distance by 2,070 m.
Co-Authors Afri Yudantoko Agus Widyianto ALDO, JEFRI Antonius Edy Setyawan Aprilia Yustina Arief Alfiyanto, Muhamad Aris Eko Wibowo Bambang Sudarsono Bambang Sulistyo Bayu Gilang Purnomo Bayu Rahmat Setiadi Chytra Mahanani Edy Supriyadi Fredy Surahmanto Galih Rakasiwi, Putra HAQ, RIJALUL Herminarto Sofyan Iskandar, Ranu Istanto Wahyu Djatmiko Lilik Chaerul Yuswono Listiani, Sri Muhammad Agung Widodo, Muhammad Agung MUHAMMAD INDRA Pramu Pramu Puji Dwi Utomo Purwanto Purwanto Putri Wulan Juliana Putu Sudira Putut Hargiyarto Ridwan Oktavian Hananta Rizki Kurniawan Rizky Arya Saputra Setiyawan , Andri Sri Astuti Sri Waluyanti Sudji Munadi Tri Adi Prasetya Urip Wahyuningsih Wakijah, Siti Widarto Widarto Zahid Karim Hanifan