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All Journal Mekanika: Majalah Ilmiah Mekanika Otopro JURNAL FLYWHEEL V-MAC (Virtual of Mechanical Engineering Article) Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Pengabdian Kepada Masyarakat
Bayu Pranoto
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Pengaruh Model Sudu Overlap dan Helix pada Proses Inisiasi Putaran Turbin Savonius Kris Witono; Moh. Nasir; Elka Faizal; Hangga Wicaksono; Bayu Pranoto
Otopro Vol 15 No 1 Nov 2019
Publisher : Jurusan Teknik Mesin Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v15n1.p27-31

Abstract

This research proposes a new model of overlap and helix blade shape. The overlap shape of the blades gives room to the air flow shortly after pounding the blades. Air flow direction is strived to be able to push the next blade so that the process of the turbine blade rotation becomes more effective. While the helix model is expected to produce a more efficient turbine rotation due to its multilevel shape. The wind speeds tested were 2 m / s, 4 m / s, and 6 m / s. Turbine speed rotation data retrieval is carried out at each additional time. The overlap blade has a greater angular velocity value of 9.4 rad / s at 2 m / s wind speed, 21.9 rad / s at 4 m / s wind speed, and 29.8 rad / s at 6 m / s wind speed.Turbines with multilevel helix blades have a higher level of stability compared to overlap blades. This is because there are two levels of turbine blades which have an angle difference of 600 which can receive more stable wind collisions. However, due to the smaller cross-sectional area of the helix blade turbine (ie 50% of the overlap blade) the effective impact area on the blade is also getting smaller. So that the energy that can be converted is also relatively smaller than the overlapping blade.
Pressure Drop and Void Fraction of Two-Phase Flow (Air-Water) in Grooved Vertical Pipes Supa Kusuma Aji; Nicky Suwandhy A. S; Chandra Gunawan; Bayu Pranoto; Hangga Wicaksono
Mekanika: Majalah Ilmiah Mekanika Vol 22, No 2 (2023): MEKANIKA: Majalah Ilmiah Mekanika
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/mekanika.v22i2.76968

Abstract

Two-phase flows consisting of liquids and gases are often found in everyday life and are used on an industrial scale. In an industrial environment, this flow has many weaknesses, including pressure drop and void fraction. One strategy to reduce losses that arise is to use passive methods. The passive method used is to utilize the shape of the grooves in the channel. In this study, the flow is used to determine its effect on the pressure drop and void fraction that appears in two-phase flow. The experimental method was used for this study. The test pipe is equipped with 16 grooves, while the smooth pipe (without grooves) is used as a comparison. The test pipe is made of acrylic material. The water fluid is circulated using a centrifugal water pump with a superficial speed of 0.33-0.42 m/s. Air fluid is supplied using a compressor with superficial speeds of 0.049, 0.066, and 0.082 m/s. Measurement of pressure drop was carried out using a pressure transmitter with an Arduino data logger. The void fraction is calculated by determining the ratio of the volume fraction of water and air in the test tube. The results of the study revealed that the use of 16 grooves in the pipe can reduce the pressure drop and cavity fraction that appears when compared to smooth pipes.
Analisis Pengaruh Penambahan Stiffener terhadap Nilai Tegangan dan Defleksi pada Rangka Sepeda Motor Listrik dengan Metode Elemen Hingga Rilis Eka Perkasa; Utsman Syah Amrullah; Bayu Pranoto; Chandra Gunawan
Virtual of Mechanical Engineering Article Vol 8 No 1 (2023): V-MAC
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/v-mac.v8i1.2729

Abstract

Saat ini, sepeda motor listrik telah banyak dijadikan sebagai pilihan moda transportasi alternatif karena sepeda motor listrik memiliki beberapa kelebihan, salah satunya menghasilkan tingkat polusi yang rendah. Salah satu bagian utama dari sepeda motor listrik adalah rangka, yang berfungsi sebagai penyangga beban utama dari sepeda motor listrik dan dudukan dari berbagai komponen lain. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan komponen stiffener pada rangka menggunakan simulasi metode elemen hingga. Terdapat dua jenis rancangan yang disimulasikan, yaitu rangka dengan penambahan stiffener dan rangka tanpa stiffener sebagai pembanding. Kedua rancangan rangka dibuat dengan menggunakan profil persegi dengan ketebalan 2.2 mm dari bahan baja ASTM A36. Jenis simulasi yang dipilih adalah simulasi pembebanan statis dengan beban yang terdiri dari beban penumpang serta beban komponen baterai dan sistem kontrol. Parameter yang hendak diperoleh dari simulasi antara lain tegangan von mises, defleksi total rangka, dan nilai safety factor. Hasil simulasi menunjukkan bahwa rancangan rangka dengan penambahan stiffener mengalami tegangan von mises maksimum sebesar 74.67 MPa, defleksi total maksimum sebesar 0.06692 mm, dan safety factor minimum sebesar 3.348. Sementara itu, rancangan tanpa penambahan stiffener mengalami tegangan von mises maksimum sebesar 110.3 MPa, defleksi total maksimum sebesar 0.5209 mm, serta nilai safety factor minimum sebesar 2.266.
The Effect of Composition and Type of Metal Filler on Heat Resistance of Silica Rubber Matric Composites R.N. Akhsanu Takwim; Anggit Murdani; Purwoko; Bayu Pranoto; Naufal Reza Putra
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 3 (2023): November
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i3.169-174

Abstract

Thermal Tensioning is one of the methods use to minimise the occurrence of residual stress and unwanted distorsion during welding. One of the thermal tensioning methods is Static Thermal Tensioning (STT), which involves countering thermal stress during welding. The STT method requires an active cooling behind the welding line. Several properties are required for the coolant material, such as thermal conductivity, heat resistance, and good flexibility. To achieve the desired properties, a mixture of different materials was used, commonly called a composite. The purpose of this study is to know the effect of filler metal composition and type on the heat resistance of silica rubber matric composites. This study used 2 independent variables: the filler composition in composites with variations of K1 (60%) and K2 (70%), and the type of filler metal, aluminium and copper powder with variation J1 (100%-0%), J2 (75%-25%), J3 (50%-50%), J4 (25%-75%), and J5 (0-100%). The testing process used Thermogravimetry Analysis (TGA) method with replication 2 times. The results of this study showed the specimens with K1;J1 composition,containing 60% pure aluminium filler metal, showed the best heat resistance with a final weight of 88,25%. While specimens with K2;J5 composition, containing 70% pure copper filler metal, showed the worst heat resistance with a final weight of 74,25%.
Pelatihan Mesin Es Krim FOMAC ICR-BQ108 untuk Meningkatkan Kualitas Produk pada UMKM Es Boba Indonesia Hilmi Iman Firmansyah; Baananto, Fauzan; Bayu Pranoto; Chandra Gunawan; Sulistyono; Imam Mashudi
Jurnal Pengabdian kepada Masyarakat Vol. 12 No. 2 (2025): JURNAL PENGABDIAN KEPADA MASYARAKAT 2025
Publisher : P3M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/abdimas.v12i2.6491

Abstract

Es Boba Indonesia, a small and medium enterprise (SME) in Malang, experienced challenges in producing high-quality ice cream due to malfunctions in the FOMAC ICR-BQ108 ice cream machine. The primary issue was that the ice cream melted quickly and did not have the desired soft texture, which negatively affected competitiveness. This community service program aimed to repair the machine through a series of steps, including damage identification, repair, and performance optimization. Post-repair results showed significant improvements in ice cream quality and machine operational efficiency, accompanied by training for the partner to ensure sustainable maintenance.
Desain dan Analisis Kekuatan Struktur Rangka pada Sepeda Statis dengan Flywheel untuk Generator Listrik Supriyanto, Nicky Suwandhy Widhi; Bayu Pranoto; Rizki Priya Pratama
JURNAL FLYWHEEL Vol 17 No 1 (2026): Jurnal Flywheel
Publisher : Teknik Mesin S1 ITN Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/flywheel.v17i1.17771

Abstract

Krisis energi global merujuk pada situasi di mana terjadi kekurangan pasokan energi. Krisis energy global juga memicu percepatan transisi menuju energi terbarukan Sepeda statis generator listrik dapat menjadi salah satu solusi inovatif dalam mendukung penggunaan energi bersih dan berkelanjutan. Selain manfaatnya dalam meningkatkan kesehatan kardiovaskular, membakar kalori, dan memperkuat otot kaki, sepeda statis juga mulai dikembangkan sebagai sumber energi terbarukan Tujuan dari penelitian ini adalah untuk membuat desain rangka untuk generator listrik pada sepeda statis dan mengetahui kekuatan rangka dengan simulasi software. Pembebanan yang dilakukan yaitu 60kg, 70kg, 80kg, 90kg, dan 100 kg. Dari hasil penelitian menghasilkan Safety factor yang tinggi dan mendapatkan nilai total deformasi sebesar 0,09754 mm. Desain rangka dinyatakan aman layak digunakan pada kondisi pembebanan yang disimulasikan
Co-Authors Aji, Supa Kusuma Amrullah, Utsman Syah Anggit Murdani Chandra Gunawan Elka Faizal Fauzan Baananto Hangga Wicaksono Hilmi Iman Firmansyah Imam Mashudi Kris Witono Moh. Nasir Naufal Reza Putra Nicky Suwandhy Widhi Supriyanto Purwoko R.N. Akhsanu Takwim, R.N. Akhsanu Rilis Eka Perkasa Rizki Priya Pratama Sulistyono