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All Journal Majalah Ilmiah MOMENTUM Creative Research in Engineering (CERIE)
Wibi Pramanda
Politeknik Jambi
Control & Systems Engineering Education Energy Environmental Science Materials Science & Nanotechnology Mechanical Engineering

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Karakteristik Palm Oil Biodiesel dan Performa Mesin Diesel : A Review Hutomo Jiwo Satrio; Yuliarto Joko Sumbogo; Wibi Pramanda
Creative Research in Engineering (CERIE) Vol 4, No 2 (2024): Creative Research in Engineering (CERIE)
Publisher : Lembaga Publikasi Ilmiah dan Penerbitan (LPIP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/cerie.v4i2.22833

Abstract

This article is a descriptive review study on palm oil biodiesel and its comparison with diesel fuel. Crude Palm Oil (CPO) is the best raw material for biodiesel because it has similar fuel specifications to diesel fuel. Fuel specifications according to American Standard Testing and Material (ASTM) and European Standard (EN) specifications are kinematic viscosity, density, and flash point. Palm oil biodiesel has a higher Brake Specific Fuel Consumption (BSFC) value and a lower Brake Thermal Efficiency (BTE) value compared to diesel. Palm oil biodiesel has higher NOx emissions, but lower HC and CO emissions, than diesel. In addition, palm oil biodiesel can be used in diesel engines with little or no modification. It has higher density, cooler flow problems and lower calorific value. Biodiesel can be blended with diesel and used in various concentration ratios to produce biodiesel blends that have properties that comply with international standards on diesel engine fuel and emissions, resulting in improved diesel engine performance and reduced emissions. The B20 and B30 biodiesel blend compositions are the best blend compositions based on the balance between engine efficiency and emission reduction due to the optimal balance between engine performance and environmental benefits. The B20 and B30 biodiesel blends show significant reductions in CO and HC emissions, achieving reductions of about 10% to 25% compared to diesel. The decrease in BTE and increase in BSFC are still proportional, so they do not compromise overall fuel efficiency too much.
Comparative Study of Thermoelectric Generator Module Performance with Various Types of Plate Materials Wibi Pramanda; Rouf Muhammad; Yuliarto Joko Sumbogo; Hutomo Jiwo Satrio; Hamid Ramadhan Nur; Radhi Maladzi; muhamad Safi'i; Mochamad Nuruz Zaman
JURNAL ILMIAH MOMENTUM Vol 21 No 1 (2025): April
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v21i1.12692

Abstract

Advanced materials are used in thermoelectric generator (TEG) technology to turn heat into electricity using the Seebeck effect, which helps make better use of heat sources. The Seebeck effect is a result of the temperature disparity that exists between the two surfaces of the TEG. The configuration utilized in this investigation comprises several primary components, including the water block, thermoelectric, heat exchanger plate, and heater plate. The water block is positioned on the cold surface side of the thermoelectric to optimize the cooling process, while the heater plate is positioned on the surface side to facilitate the heating process. Initially, we position the heater plate to avoid direct contact between the heated surface side and the material plate. The plates consist of both copper and aluminum elements. This is done to facilitate the identification of the configuration systems, specifically TEG A (copper) and TEG B (aluminum). The research findings indicate that the TEG B configuration system, when subjected to a heating rate, yields superior voltage, current, and power outputs.
Co-Authors Hamid Ramadhan Nur Hutomo Jiwo Satrio Hutomo Jiwo Satrio Mochamad Nuruz Zaman muhamad Safi'i Radhi Maladzi Rouf Muhammad Yuliarto Joko Sumbogo Yuliarto Joko Sumbogo