cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
turbo@ojs.ummetro.ac.id
Editorial Address
Jl. Ki Hajar Dewantara No. 116 Kota Metro
Location
Kota metro,
Lampung
INDONESIA
Turbo : Jurnal Program Studi Teknik Mesin
Published by Universitas Muhammadiyah Metro
ISSN : 23016663     EISSN : 2477250X     DOI : https://doi.org/10.24127
Core Subject : Engineering,
Mechanical Engineering
TURBO ISSN (print version) 2301-6663 & ISSN (online version) 2477-250X is a peer-reviewed journal that publishes scientific articles from the disciplines of mechanical engineering, which includes the field of study (peer) material, production and manufacturing, construction and energy conversion. Articles published in the journal Mechanical include results of original scientific research (original), and a scientific review article (review). Mechanical journal published by the Department of Mechanical Engineering, Faculty of Engineering, University Muhammadiyah of Metro for publishing two periods a year, in June and December with the number of articles 14-20 per year . Editors receive manuscripts in mechanical engineering from various academics, researchers and industry practitioners.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 32 Documents
 1   2   3   4 
Search results for , issue "Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin" : 32 Documents clear
Pengaruh Debit Air Dan Sudut Busur Masuk Nosel Terhadap Kinerja Turbin Cross-flow Mafruddin, Mafruddin; Handono, Sulis Dri; Surono, Bambang; Ivoda, Havinza Namza; Cahyono, Adi; Fajri, Muhammad; Rafli, Endhita Fourten; Kuswanto, Agus
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.3291

Abstract

Turbin Cross-flow merupakan komponen utama pada PLTA dan berfungsi mengkonversi energi air menjadi energi mekanik. Kinerja turbin dinilai berdasarkan daya dan efisiensi yang dihasilkan turbin. Ada beberapa faktor yang dapat mempengaruhi kinerja turbin Cross-flow diantaranya yaitu debit air dan sudut busur masuk (profil) nosel. Tujuan penelitian ini adalah untuk mengetahui pengaruh debit air dan sudut busur masuk nosel terhadap kinerja turbin Cross-Flow. Metode yang digunakan yaitu penelitian eksperimental dengan melakukan perencanaan dan pembuatan serta pengujian turbin Cross-flow menggunakan variasi debit air (60, 80, 100 dan 120 LPM) dan sudut busur masuk nosel (profil A, profil B dan profil C). Spesifikasi turbin Cross-flow yang dibuat dan diuji yaitu diameter luar runner 0.145 m, diameter dalam runner 0.80 m, jumlah sudu 18, tebal nosel 0.03 m dan jari-jari sudu runner  0.047 m serta head efektif yang digunakan saat pengujian 0.8 m. Dari hasil penelitian dapat disimpulkan bahwa variasi debit air dan sudut busur masuk nosel berpengaruh terhadap kinerja turbin Cross-flow. Semakin besar debit air yang digunakan kinerja turbin semakin meningkat. Putaran turbin dan daya serta efisiensi turbin Cross-flow tertinggi diperoleh dengan debit air 120 LPM dan sudut busur masuk nosel Profil A.
Analisis Eksergi Pada Pembangkit Listrik Tenaga Biomassa Pabrik Gula PT. X Prayuda, Arief Rahman; Kuncoro, Heru
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pembangkit listrik di pabrik gula pada umumnya menggunakan sistem kogenerasi dalam menghasilkan energi listrik dan panas untuk menjalankan proses industrinya. Ampas tebu atau bagasse merupakan produk sampingan yang dihasilkan dari proses penggilingan tebu yang dapat digunakan kembali sebagai bahan bakar utama pada boiler. Akan tetapi, ampas tebu masih memiliki kandungan air yang cukup tinggi, yaitu sebesar 55% sehingga dapat mempengaruhi efisiensi pembakaran yang dapat berdampak terhadap kinerja keseluruhan pembangkit. Maka dari itu, penelitian analisis eksergi dilakukan guna mengevaluasi kehilangan energi dan mengidentifikasi peluang peningkatan efisiensi. Penelitian ini bertujuan untuk menganalisis efisiensi eksergi dan destruksi eksergi pada berbagai komponen utama pembangkit. Metode yang digunakan dalam penelitian ini melibatkan perhitungan eksergi fisik dan kimia berdasarkan data operasional pembangkit perusahaan gula PT. X. Hasil penelitian menunjukkan bahwa efisiensi eksergi keseluruhan sistem masih tergolong rendah akibat tingginya destruksi eksergi pada boiler yang mencapai 93,89% dari total eksergi yang masuk. Di sisi lain, turbin uap memiliki rata-rata efisiensi eksergi sebesar 73%, sehingga masih terdapat potensi perbaikan dalam sistem ekspansi uap. Berdasarkan hasil analisis, peningkatan kualitas pembakaran, optimasi pemanfaatan panas buang dan operasional, serta perbaikan pada sistem perpindahan panas merupakan beberapa strategi utama yang dapat dilakukan guna mengurangi destruksi eksergi dan meningkatkan efisiensi keseluruhan sistem.
AnalisisEffect of Ethanol–LPG Dual Fuel on Output Voltage Stability of a Four-Stroke Generator Witanto, Yovan; Nuramal, Agus; Pratama, Samuel Yoga; Helmizar, Helmizar; Rosa, Khairul Amri
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.3767

Abstract

 This study aims to analyze the effect of load variation on the output voltage of a modified four-stroke generator using a dual-fuel system consisting of ethanol and liquefied petroleum gas (LPG). Ethanol 96% was used as the primary fuel, while LPG was injected through an ideal mixture screw with the aid of a converter kit, pressure regulator, and flowmeter to control gas flow. The test subject was a modified Yasuka 1500DC gasoline generator. Experiments were conducted using incandescent lamp loads ranging from 200 to 1000 watts, in 200-watt intervals, each applied for 2 minutes at a constant engine speed. The observed parameters included fuel consumption and output voltage. The LPG flow rates tested were 0.2, 0.4, 0.6, and 0.8 liters per minute. The results showed that the ethanol–LPG combination at a flow rate of 0.8 l/min produced the highest and most stable voltage output, remaining above the safe threshold of 198 volts. Compared to pure ethanol or gasoline, the dual-fuel system was more effective in maintaining voltage under high load conditions. This is attributed to LPG’s high calorific value and its ease of mixing with air, which enhances combustion quality. 
Pengujian Metalografi Dan Kekerasan Dalam Penentuan Umur Sisa Screen Tube Superheater Pada Boiler Batu Bara Nurdiasyah, Nurdiansyah; Ratnawati, Ratnawati; Anoi, Yano Hanung; Yuono, Lukito Dwi
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.4312

Abstract

Superheater is one of the main parts of the boiler. One of the problems that often occurs in the superheater screen tube is that the screen bends due to exposure to high temperatures which causes the screen tube to deform. The aging phenomenon (decarburization) will occur over time the tube is operated, affecting the mechanical properties of the tube material, especially its hardness. The research objectives achieved are to determine the actual conditions, feasibility and remaining life of the superheater screen tube experiencing bending. Based on these conditions, it is necessary to conduct testing on the superheater screen tube that has been operating for approximately 11 years (96360 hours) until now. The method used is to conduct direct, macro and micro examinations on the condition of the screen tube that is bending. In situ metallographic testing on each superheater screen tube is carried out to determine the degradation of the high temperature effect during operation. In addition to in situ testing, metallographic testing in the laboratory is used to analyze the microstructure of the tube material during operation. Hardness testing, the chemical composition of the tube material is also carried out as a support in the process of calculating the remaining life using the Larson Miller Parameter (LMP) approach. From the test, the results showed that the condition of the screen tube that was bending was still suitable for use in accordance with the applicable SOP. In terms of microstructure, the superheater screen tube has experienced aging (decarburization) with a decrease in hardness value when compared to the hardness of the normal tube (166 HV). If operated properly, the superheater screen tube that is bending can be operated for up to 2 years and 8 months if the Turn Around (TA) program is not carried out until a replacement tube is available for 2 years and 10 months, still below the temperature (6200 C) or below the design temperature.
Dimensional Consistency Analysis in High Speed 3D Printing Ramadhan, Doni Fajar; Sodiq, Fajar; Saputra, Hendri Maja; Putra, Mohammad Alexin
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.3795

Abstract

3D printing technology has been widely applied in various industries, including manufacturing, healthcare, automotive, aerospace, and others. High 3D printing speeds, such as 1200 mm/s, offer the potential to significantly accelerate the production process. However, increasing this speed also presents challenges related to the quality and dimensional consistency of the printed parts. Therefore, understanding how each parameter interacts and affects the printing results is key to optimizing high-speed 3D printing processes. This research focuses on the dimensional accuracy of 3D printed objects. The method used involves printing 5 cube samples measuring 20mm x 20mm x20 mm with a 10 mm through all hole using Acrylonitrile Butadiene Styrene (ABS) Highspeed and  Polylactic Acid (PLA) Highspeed materials at a maximum print speed of 1200 mm/s. After the printing process, the dimensions of each sample are carefully measured using a vernier caliper at three different points.  PLA material tends to have a larger deviation than ABS, especially in the circle diameter parameter with a deviation percentage of 5.88%, while ABS is 5.02%. Based on the results overall the deviation of length, width, height, and hole diameter dimensions in both materials is not significant for general applications, but the deviation in hole diameter shows a higher value than other dimensions.
Analisis Pengaruh Suhu Terhadap Kuat Lekat Powder Coating Baja Astm A36 Pada Alat Incinerator Bramestyo, El Alan; wahyudi, tri cahyo; Asroni, Asroni Asroni; Thohirin, Muh Thohirin
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.4195

Abstract

Cat serbuk atau biasa disebut Powder  coating merupakan salah satu sistem pengecatan yang berkembang pesat pada saat ini, serta memotivasi perusahaan untuk terus meningkatkan kualitas dan harga yang memuaskan bagi masyarakat. Sistem Powder  coating tidak menggunakan bahan cair atau pengencer yang biasa dilakukan pada cat konvensional lainnya. Untuk mencapai daya rekat yang maksimal maka sebelum melakukan Powder  coating, bahan yang akan di cat dibersihkan dan diberikan beberapa media treatment tertentu.Tujuan dari penelitian yaitu Mengetahui hasil ketebalan cat pada Powder  Powder  coating baja ASTM A36 pada alat incinerator dan pengaruh variasi pada Powder  coating baja ASTM A36 pada alat incinerator.  Metode penelitian yang dilakukan yaitu dengan membuat spesimen plat baja ukuran 10cm x 5cm dengan ketebalan 6mm. Pengujian dilakukan dengan mengecek ketebalan lapisan dan kuat lekat pada cat Powder  coating menggunakan alat uji thickness gauge dan pull-of test. variasi ketebalan cat 2 layer dan 4 layer. Dari hasil penelitian dapat disimpulkan bahwa meningkatnya suhu pengovenan dapat menyebabkan melelehnya cat sehingga ketebalan dan kelekatan cat kurang baik
Analisa Pengaruh Maintenance Cylinder Block Terhadap Efisiensi Bahan Bakar Mesin Speedboat Mercury 450 Racing V8 Purnomo, Seno Aji; Adiwibowo, Priyo Heru
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.3829

Abstract

This study aims to evaluate how the condition of the cylinder block affects the fuel efficiency of a Mercury 450 Racing V8 speedboat engine. As a vital component in the engine, the cylinder block is responsible for housing and supporting the cylinders, where the combustion process takes place. Damage to the cylinder block, such as cracks, corrosion, or wear, can lead to decreased compression pressure and gas leakage, resulting in decreased combustion efficiency and increased fuel consumption. This study used an experimental approach to assess the effect of different levels of cylinder block damage on engine fuel efficiency. The results showed that the condition of the cylinder block significantly affects fuel efficiency, with damaged cylinder blocks drastically reducing engine efficiency. These findings highlight the importance of regular maintenance and repair of the cylinder block to maintain optimal fuel efficiency and improve speedboat engine performance. The repair of the cylinder block gave an improved fuel consumption efficiency of 22.22% meaning the engine became more efficient in using fuel after the repair of the problem of sticking shells and oil leakage.
PERBANDINGAN PENGARUH KECEPATAN ARUS AIR TERHADAP LAJU KOROSI DAN KEKERASAN PADA ALUMUNIUM DAN BAJA KARBON SEBAGAI PROTOTIPE PLAT BODY KAPAL MS, Firdaus; Saud, Eddy; Pasayu, Deliansyah; Yosieguspa, Yosieguspa; Hidayat, Aldi; Febriyanto, Agung
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.4095

Abstract

This study aims to determine the comparison of the effect of air flow velocity on the corrosion rate and hardness of aluminum and carbon steel materials. This study is an experimental study using specimens, namely Aluminum 6061 and low carbon steel AISI 1018. The results showed that 1) the immersion current velocity for 2 days obtained the following results, for the speed with a distance of 12 cm from the dynamo, a speed of 0.073 m / s was obtained for aluminum. Something that is not much different is also obtained for the speed of low carbon steel where with a distance of 12 cm from the dynamo, a speed of 0.075 m / s was obtained. 2) The difference in weight between before and after immersion in the specimen shows that in aluminum the weight difference is smaller than the weight difference in low carbon steel. 3) The corrosion rate of low carbon steel is higher than aluminum. This shows that aluminum is more resistant to corrosion
Pengaruh Variasi Tekanan Kompaksi dan Fraksi Penguat terhadap sifat kekerasan dan densitas pada Karakteristik AMC sukanto, sukanto "-"
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.3955

Abstract

The use of asbestos in the production of brake pads is known to pose health risks, necessitating environmentally friendly innovations. This study aims to evaluate the effects of the percentage of reinforcement and hot compaction pressure on the density and hardness properties. Composites were produced using the powder metallurgy method, which involves grinding recycled aluminum powder, silica sand, and boiler fly ash with a ball mill. The process parameters used were a Ball Powder Weight Ratio (BPR) of 10:1, a rotation speed of 90 rpm, and a grinding time of 6 hours, with varying reinforcement percentages of 8%, 12%, and 16%. The compaction process was performed using bidirectional pressing with varying pressures of 5000, 5400, and 5800 PSI at a temperature of 350°C, with a holding time of 10 minutes. The sintering process was conducted at a temperature of 600°C with a holding time of 10 minutes. Testing was carried out using density tests in accordance with ASTM B962-17 and portable Brinell hardness tests in accordance with ASTM E110-14. The test results showed that an increase in the percentage of reinforcement and hot compaction pressure improved the density and hardness of the composite. The highest density obtained was 2.262 g/cm³, while the highest hardness reached 49.2 HB at a reinforcement percentage of 16% with a compaction pressure of 5800 PSI.
Proses Manufaktur Mesin Pemotong Kertas (Paper Cutter) Menggunakan Modifikasi Motor Listrik Kapasitas 20 Kg/Jam Iswanto, Iswanto; Pratama, Rizky Wahyu; Mulyadi, Mulyadi
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.4047

Abstract

Pengembangan teknologi menjadi salah satu kunci dalam penanggulangan limbah sampah saat ini, terutama pada limbah kertas. Penelitian ini bertujuan untuk merancang mesin pemotong kertas bertenaga motor listrik dengan pisau lurus jenis pisau guillotine untuk menghasilkan potongan yang presisi. Metode penelitian ini melibatkan desain mesin dan pengujian performa mesin. Hasil pengujian menunjukkan bahwa mesin dapat memotong hingga 20 kg per jam, lebih efisien jika dibandingkan dengan metode manual. Mesin menghasilkan potongan yang presisi sesuai dengan standar yang diharapkan. Efisiensi waktu mesin pemotong kertas memiliki keunggulan dibandingkan dengan pemotongan manual. Mesin ini mampu menghasilkan 76 kg dalam waktu 3 jam. Sedangkan untuk mencapai jumlah yang sama, pemotongan manual membutuhkan 3 orang pekerja.  Pembuatan mesin ini berpotensi mendukung pengelolahan limbah kertas lokal bagi UMKM, khususnya di wilayah Krian, Sidoarjo.

Page 1 of 4 | Total Record : 32

 1   2   3   4 

Filter by Year

2025 2025


Reset
Filter By Issues
All Issue Vol 14, No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin (In Progress) Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin Vol 13, No 2 (2024): TURBO: Jurnal Program Studi Teknik Mesin Vol 13, No 1 (2024): TURBO : Jurnal Program Studi Teknik Mesin Vol 12, No 2 (2023): TURBO: Jurnal Program Studi Teknik Mesin Vol 12, No 1 (2023): Jurnal TURBO Vol 11, No 1 (2022): Jurnal TURBO Volume 11 Nomor 1 Juni 2022 Vol 11, No 2 (2022): TURBO : Jurnal Program Studi Teknik Mesin Vol 10, No 1 (2021): Jurnal TURBO Juni 2021 Vol 10, No 2 (2021): Jurnal TURBO Vol 9, No 2 (2020): Jurnal Turbo Desember 2020 Vol 9, No 1 (2020): Jurnal TURBO Vol 8, No 2 (2019): Jurnal Turbo Desember 2019 Vol 8, No 1 (2019): Juni 2019 Vol 7, No 2 (2018): Desember 2018 Vol 7, No 1 (2018): Juni 2018 Vol 6, No 2 (2017): Desember 2017 Vol 6, No 1 (2017): Juni 2017 Vol 5, No 2 (2016): Desember 2016 Vol 5, No 1 (2016): Juni 2016 Vol 4, No 2 (2015): Desember 2015 Vol 4, No 1 (2015): Juni 2015 Vol 4, No 1 (2015): Juni 2015 Vol 3, No 2 (2014): Desember 2014 Vol 3, No 1 (2014): Juni 2014 Vol 2, No 2 (2013): Desember 2013 Vol 2, No 2 (2013): Desember 2013 Vol 2, No 1 (2013): Juni 2013 Vol 2, No 1 (2013): Juni 2013 Vol 1, No 2 (2012): Desember 2012 Vol 1, No 1 (2012): Juni 2012 More Issue