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All Journal Jurnal Teknik Mesin Jurnal Pengabdian Masyarakat Bhinneka
Roche Alimin
Petra Christian University
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health

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Penguatan Sistem Bank Sampah melalui Pengadaan Mesin Screw Press di Kampung Herbal Jangkungan Surabaya Jonoadji, Ninuk; Siahaan, Ian Hardianto; Sugondo, Amelia; Alimin, Roche
Jurnal Pengabdian Masyarakat Bhinneka Vol. 4 No. 2 (2025): Bulan November
Publisher : Bhinneka Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58266/jpmb.v4i2.606

Abstract

Sampah plastik, terutama gelas dan botol sekali pakai, menjadi masalah utama di Kampung Herbal Jangkungan, Surabaya. Hal ini karena sulit disimpan, membutuhkan ruang besar, dan sulit diangkut, membuat petugas bank sampah tidak dapat melakukan pekerjaan mereka dengan efisien.  Tujuan program pengabdian kepada masyarakat ini adalah untuk meningkatkan efisiensi pengelolaan sampah plastik melalui penggunaan teknologi tepat guna dan partisipasi warga.  Untuk memperkuat sistem pengelolaan berbasis komunitas, Bank Sampah Kampung Herbal didirikan untuk meningkatkan pengetahuan warga tentang pentingnya pengelolaan sampah, memberikan pelatihan teknis pemilahan, dan mendampingi penggunaan mesin pencacah screw press yang dibuat untuk mengatasi keterbatasan lahan.  Adanya mesin screw press diharapkan meningkatkan efisiensi penyimpanan dan transportasi, mengurangi volume sampah plastik, dan meningkatkan kesadaran masyarakat akan lingkungan yang ramah lingkungan.
Enhancing Nmax Gen 2 Brake Cooling Through CFD-Based Duct Profile Optimization Sutrisno, Teng; Chevilino, Marcell; Jonoadji, Ninuk; Siahaan, Ian Hardianto; Sugondo, Amelia; Anggono, Willyanto; Alimin, Roche; Simanjuntak, Melvin E.; Suryajaya, Micheal
Jurnal Teknik Mesin Vol. 23 No. 1 (2026): APRIL 2026 (SINTA 3)
Publisher : Institute of Research and Community Outreach, Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jtm.23.1.27-34

Abstract

Efforts to improve the performance of motorcycle brake system performance are essential for enhancing riding safety, particularly at high speeds. The main objective of this study is to evaluate the effect of a brake duct on brake disc cooling using computational fluid dynamics (CFD). This study also aims to determine the optimal brake duct design for motorcycles applications. To assess the accuracy of the numerical simulations, wind tunnel experiments were conducted to quantify the error between the simulation and experimental results. The validation results showed that the simulation error was 5.64%, indicating good agreement with the experimental data. The simulation was performed by modelling the motorcycle braking system and brake duct, then analyzed using ANSYS Fluent. To identify the optimal brake duct configuration, variations in the inner radius R, duct length L, and diffuser size D were evaluated. The best configuration was defined as the design that produced the lowest pressure loss and the highest ΔP statis. The simulation results indicate that the optimal configuration corresponds to R = 20 mm, L = 180 mm, and D = 8.75mmx 10mm.
Co-Authors Chevilino, Marcell Felix Pasila Hans Natalius Ian Hardianto Siahaan Ninuk Jonoadji Simanjuntak, Melvin E. Sugondo, Amelia Suryajaya, Micheal Teng Sutrisno Willyanto Anggono