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Firdaus , Rachmat
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering

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Journal : Journal for Technology and Science

 1 
PENGARUH WING TIP SUDU ROTOR BLADE TERHADAP UNJUK KERJA WIND TURBIN DENGAN MENGGUNAKAN BLADE NACA 0021 Firdaus , Muhamad; Firdaus , Rachmat
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.151

Abstract

The use of energy in Indonesia currently has a growing need for energy, this will have an impact on the condition of the energy crisis, dependence on fossil fuels has a very serious threat, therefore there must be alternative energy as a substitute or as a saver of fuel reserves. Currently available fossils such as wind energy, water energy, and solar energy are very abundant in Indonesia. This study aims to develop wind power plants as a source of alternative energy to produce electrical energy, namely wind turbines. A wind turbine is a tool that functions to convert wind power into mechanical power in the form of a shaft rotation, then this shaft rotation is utilized for power generation. This tool is used to meet energy needs and is also used for alternative energy as an effort to save and reduce dependence on fossil energy. In this problem, the author will develop a tool for the influence of the wing tip of the rotor blade on the performance of the wind turbine. The purpose of this research is to calculate how much influence the wing tip has on the performance of the wind turbine on the electric current produced by the wind turbine. By adding variations to the wing tip using NACA 0021. The data obtained in this study are current (A), voltage (V), turbine power (watts), from the results of the research data it was found that the performance of the wind turbine using NACA0021 was the most optimal using a wing tip. at an angle of 15〗^0 in layer 2 with a voltage value of 12.5 (V), current 2(A), turbine power of 25.35 (watts), and efficiency of 0.844.
ANALYSIS OF THE EFFECT OF BX 92, BX ULTIMAXX FUEL AND THEIR MIXTURES ON THE PERFORMANCE OF THE R15 MOTORCYCLE Afif , Muhammad Syauqi; Firdaus , Rachmat
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.204

Abstract

General Background: With the rapid advancement of automotive technology, especially motorbikes, fuel performance has become increasingly crucial in optimizing vehicle efficiency and meeting the demands of rising motorbike usage. Specific Background: Among commonly used fuels like BX 92 and BX Ultimaxx, the performance of different fuel types and combinations on power, torque, and specific fuel consumption (SFC) remains underexplored. Knowledge Gap: While various fuels are utilized, a detailed comparative analysis of motorbike performance using different fuels and blends, including ethanol mixes, is limited, particularly in the context of octane levels and engine power. Aims: This study aims to analyze motorbike performance differences when using BX 92, BX Ultimaxx, a 50:50 blend of BX 92 and BX Ultimaxx, and an 85:15 blend of BX 92 and ethanol, assessing power, torque, and SFC on an R15 motorbike using dynotest equipment. Results: The study found that higher octane levels yield improved power and torque, with BX Ultimaxx performing best in terms of power but consuming more fuel. BX 92 proved most efficient in fuel consumption but ranked lower in performance compared to BX Ultimaxx. The BX 92-BX Ultimaxx blend showed moderate improvements in power over BX 92 alone, while the BX 92-ethanol blend exhibited the lowest performance of all fuels tested. Novelty: This study provides a novel comparative framework for evaluating mixed fuel impacts on motorbike performance, particularly in utilizing ethanol as an alternative fuel component. Implications: These findings suggest that while higher-octane fuels enhance performance, fuel blending strategies could be optimized for specific outcomes, balancing efficiency with performance, thereby contributing to more sustainable fuel use in the automotive industry.
COMPARISON OF THE EFFECT OF SUXXX, V-POXXX FUEL AND THEIR MIXTURES ON R15 MOTORCYCLE ENGINE PERFORMENCE Wahid , M. Luqman; Firdaus , Rachmat
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.205

Abstract

General Background: With the increase in motorcycle usage worldwide, optimizing engine performance through fuel selection has become a focus, as fuel type significantly impacts torque, power, and specific fuel consumption. Specific Background: Public motorcycle transportation options include various fuel types, such as suxxx and v-poxxx, as well as blends with ethanol, which are commonly used for enhanced engine efficiency. Knowledge Gap: There is limited research directly comparing the performance impacts of suxxx, v-poxxx, and their mixtures, especially with ethanol, on motorcycles over a range of RPMs. Aims: This study aims to evaluate the differences in motorbike performance using pure suxxx, v-poxxx, a 50-50 blend of suxxx and v-poxxx, and an 85-15 blend of suxxx and ethanol by examining torque, power, and specific fuel consumption (SFC) on an R15 motorbike through dynotest trials. Results: Findings indicate that v-poxxx, with its higher octane level, provides superior torque, power, and SFC compared to suxxx and mixed fuels, especially at low and high RPMs. Meanwhile, the 85% suxxx and 15% ethanol blend achieves the best SFC but has slightly lower torque and power at specific RPMs compared to v-poxxx. Novelty: This study provides comparative insights into the effectiveness of mixed ethanol fuels in motorcycles, identifying performance variances across a range of RPMs, which is less explored in the context of motorcycle engines. Implications: The results suggest that high-octane fuels enhance engine performance, while ethanol mixtures could serve as efficient alternatives for fuel savings. These insights are valuable for consumers and manufacturers aiming to optimize fuel usage for different riding conditions.
Co-Authors Afif , Muhammad Syauqi Firdaus , Muhamad Wahid , M. Luqman