Technical Analysis of the Use of Dual Fuel HSD-Hydrogen Fuel in the UTD-20 Ranpur Bvp-2 Diesel Engine Using Ansys Forte Numerical Analysis

Iyan Sofiyan; Pompy Pratisna; Bambang Sudarmanta

doi:10.55927/modern.v5i5.65

Authors

Iyan Sofiyan S1 Mechanical Engineering Study Program, Faculty of Engineering, Sekolah Tinggi Teknologi Angkatan Laut (STTAL), Surabaya
Pompy Pratisna S1 Mechanical Engineering Study Program, Faculty of Engineering, Sekolah Tinggi Teknologi Angkatan Laut (STTAL), Surabaya
Bambang Sudarmanta S1 Mechanical Engineering Study Program, Faculty of Engineering, Sekolah Tinggi Teknologi Angkatan Laut (STTAL), Surabaya

DOI:

https://doi.org/10.55927/modern.v5i5.65

Keywords:

Dual Fuel, HSD, Hydrogen, UTD-20, Combustion

Abstract

This study analyzes the effect of dual fuel HSD–hydrogen on the performance, combustion, and emissions of the UTD-20 Ranpur BVP-2 engine using ANSYS Forte simulation. The simulation tested the variation of SOI (-27°CA and -13°CA BTDC), hydrogen fraction (0–50%), and engine rotation (1600–2600 rpm). The results show that the SOI -27°CA BTDC provides the most stable operation. At SOI -27°CA, the addition of hydrogen up to 50% significantly increases ITE, as well as lowers ISFC, NOx emissions, and soot. The 50% HSD + H₂ 50% configuration at 2000 rpm resulted in the highest ITE (48.59%) and lowest ISFC (157.54 g/kWh). In contrast, the SOI of -13°CA with 50% hydrogen at 2600 rpm triggers misfire and a drastic decrease in efficiency. The SOI -27°CA BTDC strategy with a high hydrogen fraction proved to be the most prospective

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