Article Per Year (5 Year)
p-Index From 2021 - 2026
0.408
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This Author published in this journals
All Journal Ensiklopedia Research and Community Service Review
Iffarial Nanda
Program Studi Pendidikan Teknik Otomotif, Fakultas Teknik, Universitas Negeri Padang
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering Social Sciences Other

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REVIEW SISTEMATIS PENGARUH SUDUT PULLEY PRIMER DAN RASIO GEARBOX PADA MOTOR MATIK Riski Kurniawan; Donny Fernandez; Irma Yulia Basri; Iffarial Nanda
Ensiklopedia Research and Community Service Review Vol 5, No 3 (2026): Vol. 5 No. 3 Juni 2026
Publisher : Ensiklopedia Research and Community Service Review

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/err.v5i3.3968

Abstract

Abstract: The Continuously Variable Transmission (CVT) largely determines the performance of automatic motorcycles, with the primary pulley angle and the gearbox (final-drive) ratio being the two most frequently modified components. This study systematically reviews research on the effect of modifying the primary pulley angle and gearbox ratio on speed, fuel consumption, and exhaust emissions of automatic motorcycles. Following the PRISMA protocol, articles were retrieved from Google Scholar, Garuda, SINTA, and DOAJ; of 248 identified records, 16 met the inclusion criteria. Bibliometric analysis shows a rising publication trend during 2021–2025, dominated by nationally accredited (SINTA) journals not yet indexed in Scopus. The synthesis indicates that reducing the pulley angle from 14° to 13.5°–13.8° tends to increase V-belt clamping force, torque, and power, whereas reducing the gearbox ratio raises top speed but lowers wheel torque (a trade-off). Fuel consumption and emissions (CO and HC) are strongly governed by the shift of the engine operating point (RPM). The review reveals a gap: few studies isolate each component’s effect or measure speed, fuel, and emissions simultaneously at identical RPM points.Keywords: CVT, primary pulley angle, gearbox ratio, fuel consumption, exhaust emissions.
PEMANFAATAN PANAS KNALPOT YANMAR TS190H MELALUI HEAT EXCHANGER: TINJAUAN SISTEMATIS Agay Priadi; Rifdarmon Rifdarmon; Martias Martias; Iffarial Nanda
Ensiklopedia Research and Community Service Review Vol 5, No 3 (2026): Vol. 5 No. 3 Juni 2026
Publisher : Ensiklopedia Research and Community Service Review

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/err.v5i3.4034

Abstract

Abstract: This systematic review examines the technical basis for recovering exhaust heat from the Yanmar TS190H diesel engine through a heat exchanger and identifies variables that should guide prototype testing. Thirteen primary studies published between 2020 and 2026 were selected through PRISMA-oriented screening and evaluated for methodological clarity and relevance. Evidence was organized around exhaust-heat characteristics, operating parameters, exchanger geometry, backpressure, fouling, and direct water heating. Because engine scales, methods, and performance indicators differed substantially, the findings were synthesized narratively. Exhaust temperature and mass flow, engine load, water flow rate, pipe dimensions, heat-transfer area, flow arrangement, and exhaust resistance consistently governed system performance. A double-pipe or concentric-tube counterflow configuration emerged as the most practical starting point because it combines simple fabrication, cleaning access, and controllable pressure loss. The review proposes a Yanmar TS190H-specific thermal–hydraulic operating window to integrate heat recovery, pressure constraints, and maintainability before experimental validation.Keywords: heat exchanger, diesel exhaust heat, Yanmar TS190H, water heating, systematic review.
Co-Authors Agay Priadi Donny Fernandez Irma Yulia Basri Martias Martias Rifdarmon Rifdarmon Riski Kurniawan