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All Journal SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Sinergi Jurnal Teknik Mesin JMPM (Jurnal Material dan Proses Manufaktur) Warta Ardhia : Jurnal Perhubungan Udara Jurnal Kelautan Nasional Food Science and Technology Journal (Foodscitech) G-Tech : Jurnal Teknologi Terapan International Journal of Advanced Technology in Mechanical, Mechatronics and Material (IJATEC) JTAM ROTARY International Journal of Community Service Journal of Integrated and Advanced Engineering (JIAE) Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Jurnal Teknik Mesin Mechanical Xplore International Journal of Innovation in Mechanical Engineering and Advanced Materials J-ENSITEC (Journal of Engineering and Sustainable Technology) JCSE: Journal of Community Service and Empowerment Jipmas : Journal Inovasi Pengabdian Masyarakat
Nanang Ruhyat
Universitas Mercu Buana
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Journal : JTAM ROTARY

 1 
PENGARUH PANJANG INTAKE MANIFOLD TERHADAP PERFORMA MESIN SEPEDA MOTOR INJEKSI 108 CC Alexander, Baimy; Ruhyat, Nanang
JTAM ROTARY Vol 6, No 2 (2024): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v6i2.12529

Abstract

Penelitian ini bertujuan untuk menyelidiki pengaruh panjang intake manifold terhadap performa mesin sepeda motor 108 cc. Metode uji coba dilakukan menggunakan dynotest pada intake manifold dengan variasi panjang 7 cm, 5,3 cm dan 4,2 cm. Hasil pengujian menunjukkan bahwa perbedaan panjang intake manifold berpengaruh pada karakteristik kinerja mesin, di mana intake manifold 7 cm memberikan torsi yang lebih besar pada putaran mesin yang lebih rendah, sementara intake manifold 4,2 cm memberikan daya yang lebih besar pada putaran mesin yang lebih tinggi. Selain itu, penelitian ini juga mengamati konsumsi bahan bakar dari 3 variasi panjang intake manifold. Hasilnya menunjukkan bahwa intake manifold 7 cm lebih irit dalam konsumsi bahan bakar dibandingkan dengan intake manifold yang lebih pendek. Panjang intake manifold mempengaruhi secara signifikan kinerja mesin sepeda motor 108 cc, dengan intake manifold panjang lebih cocok untuk aplikasi yang membutuhkan torsi lebih besar pada putaran mesin rendah, sementara intake manifold pendek lebih cocok untuk aplikasi yang membutuhkan daya lebih besar pada putaran mesin tinggi. This research aims to investigate the effect of intake manifold length on the performance of a 108 cc motorcycle engine. The testing method was conducted using dynotest on intake manifolds with variations in lengths of 7 cm, 5.3 cm, and 4.2 cm. The test results show that there is a difference in intake manifold length affects the engine performance characteristics, wherein the 7 cm intake manifold provides greater torque at lower engine speeds, while the 4.2 cm intake manifold provides greater power at higher engine speeds. Additionally, this study also observed the fuel consumption of the 3 intake manifold length variations. The results show that the 7 cm intake manifold is more fuel-efficient compared to the shorter intake manifolds. Intake manifold length significantly influences the performance of a 108 cc motorcycle engine, with longer intake manifolds being more suitable for applications requiring greater torque at lower engine speeds, while shorter intake manifolds are more suitable for applications requiring greater power at higher engine speeds.
ANALISIS KINERJA SYSTEM PENDINGIN PORTABLE SEDERHANA MENGGUNAKAN MODUL PELTIER TEC1-12706 Mu'minin, Amirul; Ruhyat, Nanang
JTAM ROTARY Vol 8, No 1 (2026): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v8i1.16536

Abstract

Penelitian ini bertujuan untuk menganalisis kinerja sistem pendingin portable sederhana yang menggunakan modul Peltier TEC1-12706. Rancangan sistem terdiri dari heatsink, kipas, dan modul Peltier yang dirakit dalam sebuah box pendingin portable. Pengujian dilakukan dengan variasi jumlah modul Peltier (satu dan dua buah) serta perbedaan kondisi beban pendinginan. Hasil penelitian menunjukkan bahwa penurunan suhu terbesar terjadi pada penggunaan dua modul Peltier, dengan rata-rata suhu terendah mencapai 19,3°C pada menit ke-30. Koefisien performa (COP) sistem diperoleh sebesar 0,64, menunjukkan bahwa efisiensi energi sistem masih relatif rendah dibandingkan dengan sistem pendingin konvensional. Namun demikian, sistem pendingin portable ini cukup efektif dalam menurunkan suhu dan stabilitas termal terjaga pada rentang ±5°C. Penelitian ini menunjukkan bahwa sistem pendingin berbasis Peltier berpotensi diterapkan pada aplikasi portable meskipun efisiensi masih perlu ditingkatkan. This research aims to analyze the performance of a simple portable cooling system using a Peltier TEC1-12706 module. The system design consists of a heatsink, fan, and Peltier module assembled in a portable cooling box. Tests were carried out with variations in the number of Peltier modules (one and two units) and different cooling load conditions. The results showed that the largest temperature drop occurred when using two Peltier modules, with the lowest average temperature reaching 19.3°C at the 30th minute. The system coefficient of performance (COP) was 0.64, indicating that the system’s energy efficiency is still relatively low compared to conventional cooling systems. Nevertheless, this portable cooling system was effective in reducing temperature and maintaining thermal stability within a ±5°C range. This study demonstrates that Peltier-based cooling systems have potential for portable applications, although efficiency improvements are still needed.
Co-Authors Agung Pramu Aji Agung Pramu Aji, Agung Pramu Ahmad Afif Alexander, Baimy Antonius Angga Andriawan Baimy Alexander Cholik, Abdul Dafit Feriyanto Dedik Romahadi Desti Dorion, L. B. Dewi Murniati Dianta Ginting Dwiyoga Nugroho Engkos A. Kosasih, Engkos A. Erna Multahada Faizal Fajar Anggara Fajar Yudi Prabowo Firdianto, Ade Firman Maulana Fitri , Muhammad Hadi Pranoto Hardi Gunawan Haris Ilman Fiqih Haris Ilman Fiqih Hariyanto Triwibowo Hilmy Nurfuad I Gusti Ayu Arwati Indradewa, Rhian Jessi Ray Mardhatilla Kamandanu, Ikhsan L. B. Desti Dorion martolis tolis jasani Michael Kirkland Ngala Mohammad Ihsan Mu'minin, Amirul Muhammad, Firhan Adji Noviyanto, Alvian Nurato , Nurato Parely, Rizky Nanda Putra, Jouvan Chandra Pratama Rifai, Moh Sahal Sagir Alva Sari, Wedha Sentot Novianto, Sentot Sirait, Alfa Firdaus Surachman, Arief Swardhamana, Putut Jaya Syukur Pribadi Tyas Wedhasari Utama, Tri Yoga Wahyudi Rahmat