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All Journal Jurnal technoscientia Jurnal Rekayasa Mesin JITEK (Jurnal Ilmiah Teknosains) Journal of Mechanical Engineering Learning Jurnal Teknovasi : Jurnal Teknik dan Inovasi Mesin Otomotif, Komputer, Industri dan Elektronika Dinamisia: Jurnal Pengabdian Kepada Masyarakat SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Adimas : Jurnal Pengabdian Kepada Masyarakat Dharma Bakti Jurnal EDUCATIO: Jurnal Pendidikan Indonesia Mekanika: Majalah Ilmiah Mekanika Indonesian Journal of Electrical Engineering and Computer Science Janaka : Jurnal Pengabdian Masyarakat JURNAL TEKNOLOGI TECHNOSCIENTIA Jurnal Pendidikan dan Teknologi Indonesia Journal of Research in Instructional Jurnal Atma Inovasia Abdi Teknoyasa Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Jurnal Pengabdian West Science Taawun: Jurnal Pengabdian kepada Masyarakat Journal of Vocational and Career Education Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Jurnal Inovasi Mesin Journal of Mechanical Engineering Learning Jurnal Pendidikan Teknik Mesin
Rizqi Fitri Naryanto
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Pengaruh Gaya Belajar dan Kemandirian Belajar terhadap Hasil Belajar Mata Kuliah Sistem Air Conditioner dengan Motivasi Belajar sebagai Variabel Intervening Al Hazamy, Muhammad Fuad; Iskandar, Ranu; Naryanto, Rizqi Fitri
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v5i4.702

Abstract

This study aims to analyze the influence of learning styles and learning independence on student learning outcomes in the Air Conditioner System course. In addition to the direct influence, this study also examines the role of learning motivation as a mediating variable in the relationship between learning styles and learning independence on student learning outcomes in the Automotive Engineering Education Study Program. This study uses a quantitative approach with a data collection method through a questionnaire conducted from January to September. Instrument testing and validity were carried out on independent variables (learning styles and learning independence), dependent variables (learning outcomes), and intervening variables (learning motivation). Data analysis was carried out using the Structural Equation Modeling–Partial Least Squares (SEM-PLS) approach with the help of SmartPLS 3 software. The analysis stages include: 1) evaluation of the outer model to test the validity and reliability of the constructs; 2) evaluation of the inner model to assess the relationship between latent constructs; and 3) significance testing through bootstrapping techniques to obtain t-statistics and p-values ​​as the basis for hypothesis testing. The results showed that learning styles had a significant but negative effect on learning outcomes (p = 0.005), while learning independence had a significant and positive effect (p = 0.006). Meanwhile, learning motivation did not play a significant role as a mediating variable in the relationship between learning styles and learning independence on learning outcomes (p = 0.443 and p = 0.491). The results of the study demonstrate that learning styles and learning independence have a direct effect on learning outcomes, but learning motivation cannot mediate the relationship between learning styles and learning independence on learning outcomes.
Analisis Pengujian Kebisingan dan Emisi Gas Buang pada Sepeda Motor Honda 110 cc Menggunakan Knalpot AHLM (Adaptive High-Performance, Low-Pollution Muffler) Putra, Ni’mal Maula; Roziqin, Ahmad; Naryanto, Rizqi Fitri; Septiyanto, Angga; Maulana, Sonika; Rohman, Shohihatur
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v5i4.708

Abstract

The high levels of air pollution and noise from motor vehicles cause negative impacts on the environment and health. Innovation in exhaust systems is needed to address this issue. This study aims to analyze the effect of different exhaust types on noise levels and exhaust gas emissions in a Honda 110 cc motorcycle. The independent variable in this study is the type of exhaust (standard, free flow, and AHLM), while the dependent variables include noise level (dB) and emissions of carbon monoxide (CO) and hydrocarbons (HC). The control variables include measurement distance, engine operating temperature (80°C to 90°C), and fuel type (RON 90). The research method uses a quantitative experimental approach with a sound level meter to measure noise and a gas analyzer for exhaust emissions. Data analysis was performed using the Kruskal-Wallis test to determine differences among exhaust variations. The statistical test results showed no significant difference (p > 0.05) in noise levels and exhaust emissions among the three types of exhaust. However, descriptively, the AHLM muffler performed best, reducing noise by up to 5.88% compared to free flow, and decreasing CO emissions by 17% and HC by 1%. This study is limited to testing one type of motorcycle and laboratory conditions, so the results do not yet represent actual traffic conditions. Thus, the AHLM muffler has the potential to be an adaptive exhaust system innovation that is more environmentally friendly and effective in reducing noise and motor vehicle emissions.
Analisis Pengujian Konsumsi Bahan Bakar dan Performa pada Sepeda Motor Honda 110 cc Menggunakan Knalpot AHLM (Adaptive High-Performance, Low-Pollution Muffler) Fayisa, Fadhil; Roziqin, Ahmad; Naryanto, Rizqi Fitri; Septiyanto, Angga; Maulana, Sonika; Rohman, Shohihatur
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v5i4.709

Abstract

Motor vehicle emissions and energy efficiency are key concerns in developing environmentally friendly automotive technologies, particularly for small-capacity motorcycles, which remain the dominant mode of transportation in Indonesia. This study aims to analyze the effect of using the AHLM (Adaptive High-Performance, Low-Pollution Muffler) on fuel consumption and engine performance in a Honda 110 cc motorcycle. The research employed a comparative experimental method using three types of exhaust systems: standard, free flow, and AHLM. Tests were conducted using an engine dynamometer to measure torque and power, and a fuel consumption tester to record the time required to consume 10 ml (0.0074 kg) of fuel, calculated using the conversion formula m = (V_ml / 1000) × ρ, at three engine speeds: 1500 rpm, 2500 rpm, and 3500 rpm. The results show that the free flow exhaust produced the highest torque and power, at 10.9 Nm and 11.7 HP at 9000 rpm, respectively, but with higher fuel consumption. Conversely, the AHLM exhaust demonstrated better fuel efficiency, with consumption rates of 0.083 kg/h at 1500 rpm, 0.317 kg/h at 2500 rpm, and 0.416 kg/h at 3500 rpm, closely matching the efficiency of the standard exhaust. Although its peak power was slightly lower, the AHLM maintained stable torque and efficient combustion across all engine speeds. In conclusion, the AHLM exhaust system provides an optimal balance between performance and energy efficiency, offering potential as an adaptive exhaust technology that is both effective and environmentally friendly for small-capacity motorcycles.
Ramadhanan Bareng Teknik Mesin (RBTM) 2024: Cara Mahasiswa Teknik Mesin UNNES dalam Mengisi Kegiatan di Bulan Ramadhan Iskandar, Ranu; Naryanto, Rizqi Fitri; Widodo, Rahmat Doni; Kriswanto; Misbah, Abdillah Habib Al; Harahap, M. Abiyyu Hafizh; Firmansyah, Muhammad Raihan; Amirudin, Eka; Panjaitan, Eliza Laura; Hamdi, Ilham Falah; Dharma, Mahardika Setya; Farras, Herdin Bergas; Saputra, Muhammad Dwi; Saputra, Muhammad Rizal; Mahasurya, Muhammad Saddam; Suhartian, Muhammad Ryo; Maulana, Muhammad Akmal; Ulhakim, Muhammad Zia; Natasya, Alya Widya; Alfarizy, Ibnu; Nugroho, Cahyo Adin
Jurnal Pengabdian West Science Vol 3 No 05 (2024): Jurnal Pengabdian West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jpws.v3i05.1138

Abstract

Bulan Ramadhan merupakan bulan suci umat Islam dimana banyak pahala yang dilipatgandakan jika kita berbagi kepada sesama yang membutuhkan kepedulian dan perhatian. Mahasiswa yang tergabung dalam HIMPRO TM FT UNNES mengadakan Ramadhanan Bareng Teknik Mesin (RBTM) 2024. Tujuan kegiatan pengabdian ini adalah untuk mengisi kegiatan mahasiswa Departemen Teknik Mesin, Fakultas Teknik, Universitas Negeri Semarang di bulan Ramadhan. Tahapan pengabdian yang dilakukan yaitu: (1) Persiapan, (2) Pelaksanaan, (3) Evaluasi, dan (4) Pelaporan. Hasil kegiatan pengabdian menunjukan bahwa: (1) jumlah anak-anak yang mengikuti kegiatan berjumlah orang, (2) 100% anak-anak Panti Asuhan Al Qodri dan penerima takjil di Simpang 7 UNNES merasa kegiatan ini bermanfaat. Saran untuk RBTM kedepannya yaitu lebih banyak mencari sponsor, cek berkala seluruh peralatan yang akan digunakan di hari H, lebih disiapin lagi buat acara hari H, cari tempat konsumsi yang tertutup/ kondusif, lebih perhatikan lagi dalam pemasangan backdrop.
Servis Gratis Sepeda Motor di Halaman Masjid Ulul Al Bab UNNES Tahun 2024 Iskandar, Ranu; Al’Misbah, Abdillah Habib; Laksono, Bakti; Mahasurya, Muhammad Saddam; Susanto, Nugroho Fajar; Maturidi, Rusman; Fadlu, Vio; Naryanto, Rizqi Fitri; Widodo, Rahmat Doni; Nabil, M. Aufa; Dhuha, Wahyu Nur; Nurfa'iq, Hanif; Mikadilana, M. Sadewa; Ikhsan, Aam Maulana; Pratama, Sholikhul Yudha; Faiz, M. Agung Nur; Syafiulloh, Muhammad; Sidiq, Chusen Ismail; Nuril, Miftakhun; Mahardika, Fiqih Abi; Ramadhani, Risky; Priyasigit, Tri Wahyu
Jurnal Pengabdian West Science Vol 3 No 06 (2024): Jurnal Pengabdian West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jpws.v3i06.1180

Abstract

Mahasiswa S1 Pendidikan Teknik Otomotif, Pendidikan Teknik Mesin, dan Teknik Mesin memiliki minat dan bakat dalam servis sepeda motor. Tujuan pengabdian ini adalah untuk melakukan servis sepeda motor mahasiswa dan masyarakat sekitar UNNES. Metode pengabdian ini yaitu persiapan, pelaksanaan, dan evaluasi. Tahap persiapan dimulai dengan pendataan mahasiswa yang ingin menjadi teknisi, kemudian pelatihan teknisi, dan penyiapan alat dan bahan di lokasi servis sepeda motor. Tahap pelaksanaan dilakukan berupa praktik langsung servis berkala. Tahap evaluasi dilakukan untuk mengetahui apakah ada keluhan dari customer setelah sepeda motornya di servis. Hasil pengabdian menunjukan bahwa servis gratis sepeda motor yang diadakan di Halaman Masjid Ulul Al Bab tanggal 7-8 Mei 2024 berjalan lancar. Total ada 264 unit sepeda motor yang diservis. Customer tidak mengeluhkan sepeda motornya setelah diservis yang artinya customer merasa puas.
Servis Jitu dan Hemat (JIMAT) Sepeda Motor Himpro Teknik Mesin FT UNNES 2024 Iskandar, Ranu; Naryanto, Rizqi Fitri; Widodo, Rahmat Doni; Kriswanto; Misbah, Abdillah Habib Al; Hafizh, Muh. Abiyyu; Laksono, Bakti; Fitri, Devi Aisa; Burhanudin, Muh. Winarno; Qothrunnada, Nadhiva; Nashiruddin, Ja'far Faris; Setiawan, Muh. Rizki Ivan; Pratama, Maharudin Wira; Alwidad, R. M. Rois; Prasetyo, Dzaky Riyavika; Putra, Andra Andika; Prananda, Muh. Ridwan; Priambudi, Ajhi Bangun; Refiana, Dian; Segoro, Satria Bayu
Jurnal Pengabdian West Science Vol 3 No 06 (2024): Jurnal Pengabdian West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jpws.v3i06.1206

Abstract

Masifnya penggunaan sepeda motor membuat polusi dan tingkat kecelakaan meningkat sehingga perlu adanya upaya bersama untuk menurunkan dampak tersebut. Kegiatan Himpro Teknik Mesin ini bertujuan untuk menservis sepeda motor agar kembali ke performa terbaiknya. Tahapan kegiatan yang dilakukan yaitu: (1) Persiapan, (2) Sosialisasi Kegiatan, (3) Pelaksanaan, (4) Evaluasi, dan (5) Pelaporan. Hasil kegiatan ini menunjukkan bahwa 264 unit sepeda motor telah dilakukan servis pada tanggal 7-8 Mei 2024 di Halaman Masjid Ulul Al Bab UNNES. Garansi diberikan 1x24 jam setelah selesai servis. Namun sampai dengan selesainya hari kedua tidak ada keluhan dari customer sehingga sepeda motor yang diservis benar-benar sudah tepat. Artinya semua servis yang dilakukan membuat customer puas.
Co-Authors Aam Maulana Ikhsan Abdillah Habib Al Misbah Abdillah Habib Al’Misbah Abdurahman Abdurrahman Abdurrahman Abdurrahman Adhi Kusumastuti Ahmad Athoillah Ahmad Roziqin, Ahmad Ajhi Bangun Priambudi Al Hazamy, Muhammad Fuad Aldias Bahatmaka Alfarizy, Ibnu Alwidad, R. M. Rois Al’Misbah, Abdillah Habib Amirudin, Eka Amrulloh, Muhammad Iqbal Arif Andi Abdullah Ghyferi Andra Andika Putra Apip Amrullah Ari Dwi Nur Indriawan Musyono A’ida, Dalila Najwallah Bakti Laksono Bayu Bagas Hapsoro Budiman, Febrian Arif Bunyamin Bunyamin Burhanudin, Muh. Winarno Cho, Joung Hyung Chusen Ismail Sidiq Devi Aisa Fitri Dharma, Mahardika Setya Dhuha, Wahyu Nur Dian Refiana Didik Supriadi Dzaky Riyavika Prasetyo Eko Saputro, Wahyu Danang Fadlu, Vio Fahmi, Fiqri Fadillah Faisal Abdul Aziz Faiz, M. Agung Nur Farras, Herdin Bergas Fatah, Amirrudin Fauziyah, Nilna Fayisa, Fadhil Faza, Muhammad Iqbal Fikrianza, Nabila Hasna Fiqih Abi Mahardika Fiqri Fadillah Fahmi Firmansyah, Muhammad Raihan Fitri, Devi Aisa Fitriyana, Deni Fajar Fuatzin, Ignas Ghulamzaki, Muhammad Ghyferi, Andi Abdullah Gustina, Hesti Hadromi - Hafizh, Muh. Abiyyu Hamdi, Ilham Falah Hanif Hidayat Hanif Nurfa'iq Harahap, M. Abiyyu Hafizh Hendrix Noviyanto Firmansyah, Hendrix Noviyanto Hidayat, Hanif Hidayatulloh, Dimas Restu Hyoung Cho, Joung Ikhsan, Aam Maulana Imanu Danar Herunandi Imanu Danar Herunandi Indriawan, Ari Dwi Nur Iskandar, Ranu Ja'far Faris Nashiruddin Karnowo - Kharis Burhani, Kharis Kristiana, Indah Maya Kriswanto Kriswanto Kriswanto Kriswanto Kriswanto Kriswanto Kriswanto Kriswanto, Kriswanto Kurniawan, Aldi Laksono, Bakti Luh Putu Ratna Sundari M. Agung Nur Faiz M. Aufa Nabil M. Khumaedi M. Sadewa Mikadilana Mahardika, Fiqih Abi Maharudin Wira Pratama Mahasurya, Muhammad Saddam Malik, Muhamad Bani Masugino Maturidi, Rusman Maulana, Muhammad Akmal Mera Kartika Delimayanti Miftakhun Nuril Mikadilana, M. Sadewa Misbah, Abdillah Habib Al Mohamad Naufal Aditya Mubarak, Raihan Fa'iq Muh. Abiyyu Hafizh Muh. Ridwan Prananda Muh. Rizki Ivan Setiawan Muh. Winarno Burhanudin Muhammad Faizal Ardhiansyah Arifin Muhammad Faizal Ardhiansyah Arifin, Muhammad Faizal Ardhiansyah Muhammad Saddam Mahasurya Muhammad Syafiulloh Muhammad Yusuf Wibowo Mujaki, Ahmad Murdani Murniati, Marika Nabil, M. Aufa Nadhiva Qothrunnada Naryapramono, Afrilza Daffa Nashiruddin, Ja'far Faris Natasya, Alya Widya Nugroho Fajar Susanto Nugroho, Anan Nugroho, Cahyo Adin Nugroho, Muhammad Hafidz Akbar Nurfa'iq, Hanif Nuril, Miftakhun Panjaitan, Eliza Laura Prananda, Muh. Ridwan Prasetyo, Aditya Prasetyo, Dzaky Riyavika Pratama, Iqbal Kend Pratama, Maharudin Wira Pratama, Sholikhul Yudha Priambudi, Ajhi Bangun Priyasigit, Tri Wahyu Putra, Andra Andika Putra, Ni’mal Maula Qothrunnada, Nadhiva R. M. Rois Alwidad Rafif Dimas Pratama Raharjo, Naufal Gesang Ramadhani, Restu Kurnia Ramadhani, Risky Ramelan Ramelan Refiana, Dian Risky Ramadhani Riwan Setiarso, Riwan Rizki Maulana, Rizki Rizki Setiadi Rohman, Shohihatur Rusiyanto Rusiyanto, Rusiyanto Rusman Maturidi Samsudi Samsudin Anis Saputra, Dhimas Andy Saputra, Muhammad Dwi Saputra, Muhammad Rizal Satria Bayu Segoro Segoro, Satria Bayu Selvia Septavian, Ihza Humam Septiyanto, Angga Setiadi, Rizki Setiawan, Muh. Rizki Ivan Setyo Bhahak Fendi Baihaqi Sholikhul Yudha Pratama Sidiq, Chusen Ismail Sonika Maulana Sudiyono Suhartian, Muhammad Ryo Sukoco, Imam Sukoco, Muhammad Galuh Aji Mahardika Lanang Supriadi, Didik Surachman, Muhammad Ilham Suratmi, Sifera Surip Surip Susanto, Nugroho Fajar Syafiulloh, Muhammad Syahriar, Fadhila Fauzia Tirta, Bayu Tri Wahyu Priyasigit Ulhakim, Muhammad Zia Utami, Nunik Widia Vio Fadlu Wahyu Nur Dhuha Wahyudi Wahyudi Wahyudi Warsiti Warsiti Warsiti Warsiti Wibowo, Gigih Wibowo, Muhammad Yusuf Wirardi, Profit Wirawan Sumbodo Won, Lee Sang Yazid Yazid, Yazid Yulianto, Muhammad Dwi Yusuf Subagyo Zaki, Kaka Ibnu