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All Journal Rekayasa Mesin Turbo : Jurnal Program Studi Teknik Mesin Jurnal Mekanik Terapan Teknologika
Irwan Suriaman
Sekolah Tinggi Teknologi Wastukancana
Automotive Engineering Computer Science & IT Decision Sciences, Operations Research & Management Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Potensi Pemanfaatan Serat Selulosa sebagai Material Bahan Baku dalam Sintesis Filter Udara Non-Woven sesuai Standar TAPPI T 205 Irwan Suriaman; Mardiyati; Jooned Hendrarsakti; Ari Darmawan Pasek
Jurnal Teknologika Vol 10 No 2 (2020): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1217.503 KB) | DOI: 10.51132/teknologika.v10i2.80

Abstract

Industry 4.0 era materials used by entrepreneurs should be recycled, environmentally friendly, renewable with less chemical content. Indonesia as a tropical country has a large land area with the potential to produce the largest natural fiber in the world. One opportunity that can be applied to the utilization of natural fibers in air filters that currently use dominant materials is synthetic fibers. natural fiber has the advantage because it does not contain toxic chemicals, local raw materials, and is easily produced. This research will analyze the mechanical and morphological characteristics of biological fibers that have great potential as pre-filter raw material. Analysis of mechanical properties through tensile strength testing for single fibers and morphological analysis through scanning electron microscopy (SEM). Tensile testing was the results are; palm oil has a tensile strength of 620 MPa; 998 MPa and 213 MPa flax coconut fiber. For the morphological test results from SEM analysis for ramie fiber, it looks solid without fiber holes; The fibers appear to be many small fibers bound to one another while coir fibers have many pore holes in one observed fiber.
ANALISIS PENGARUH LAJU UAP TERHADAP EFISIENSI TURBIN UAP CONDENSING PADA PLTU PT. XXX asep hermanto; Irwan Suriaman; Agus Suprayitno
Jurnal Teknologika Vol 12 No 2 (2022): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51132/teknologika.v12iNo 2.235

Abstract

Abstrak Terkait perkembangan energi dunia saat ini, tidak lepas dari peran pembangkit listrik, baik itu pembangkit konvensional maupun terbarukan. Pada dunia industri yang semakin maju dan mengarah ke persaingan global, maka perusahaan secara berkelanjutan perlu diminimalisir kerusakan pada mesin selama kegiatan produksi, melalui perbaikan dan perawatan. Turbin uap termasuk mesin penggerak, dengan energi fluida kerja dipergunakan langsung untuk memutar sudu turbin. Pada aliran fluida memberikan pengaruh pada daya dan efisiensi turbin uap. Pemanfaatan turbin uap banyak digunakan dalam berbagai industri. Penelitian ini bertujuan untuk mengetahui pengaruh dari laju uap terhadap efisiensi turbin berdasarkan data aktual maupun data desain. Pengambilan data dilakukan menggunakan metode observasi di PT. XXX pada pembangkit listrik tenaga uap. Analisis nilai efisiensi turbin berdasarkan nilai laju uap dan beberapa variable uap lain yang masuk dan keluar turbin terkait daya generator serta daya kerja turbin. Efisiensi dapat juga dihitung dengan membandingkan daya output dan input yang dihasilkan turbin. Berdasarkan analisis diperoleh bahwa data dari laju uap, daya aktual, kerja, dan heat rate turbin diperoleh hasil nilai efisiensi tertinggi sebesar 90,5% dan terendah 56,1%. Berdasarkan hasil analisa data penelitian yang telah dilakukan bahwa kenaikan dan penurunan efisiensi turbin uap dipengaruhi aliran massa uap selain itu juga oleh faktor : tekanan, temperatur dan entalpi.
Pengaruh curing time dan pemanasan cetakan pasir kering terhadap kadar air, kuat tekan, dan lost of ignition (LOI) untuk aplikasi sand casting Apang Shieddique; Dewi Maulidiawati; Moch Iqbal Muttahar; Irwan Suriaman
TURBO [Tulisan Riset Berbasis Online] Vol 11, No 2 (2022): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i2.2085

Abstract

Sand molding has the advantage of being able to cast metals with high melting points, such as steel and nickel. Sand for the mold media generally uses a lot of silica sand. Some sand molds contain alphaset binders as well as other binders. Alphaset sand molding is a technique for making molds and metal casting cores that use resin as a binder and catalyst between sands. The addition of a catalyst as a mixture of resin. The process of making specimens for the sand mold test using silica sand SiO2 with a weight of 1000 g using 2.1% alphaphenolic resin and 25% catalyst from resin as additional elements for the resin hardening process. with a manual mixing process and making a sample with a diameter of 50mm in the form of a silencer with the tests carried out are water content, lost of ignition compressive strength and sand size distribution. Good moisture content data on alphaset molds are shown in temperature variations with heating. the results of testing the value of increasing compressive strength with variations in heating curing time 30, 60, 90 get results of 20.45, 22.8 and 31.85. data from the lost of ignition test sample curing time 30 get results of 2.05 The results of the distribution of sand are suitable for steel castings with large, medium and small sizes of castings, water content of curing time of 120, get results of more than 1%, namely 1.06 factors causing the mixin process. The above test shows an increase in compressive strength with variations in heating with lost of ignition testing temperature. The more often sand is used as the mold produces a higher LOI value.
Analisis Pengaruh Sistem Pengapian CDI Standar Dan Modifikasi Pada Motor Vario 110 CC Irwan Suriaman; Robi A. Nurikhsan; Nefli Yusuf; T.B.U. Adi Subekhi; Choirul Anwar
Jurnal Mekanik Terapan Vol 4 No 1 (2023): April 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v4i1.5606

Abstract

Currently the use of motorcycles is increasing from year to year in Indonesia. The need for bicycles is increasingly important because its means of transportation, to make easier for users to carry out their daily activities. The existence of motorbikes in Indonesia is very important because they have several factors, namely having great power and fuel economy. Besides that, modifying motorbikes is one of the hobbies of Indonesian people with one of the reasons being the condition of the track in Indonesia. Modifying motorbikes is done by adding parts or changing the original components to get maximum results. Therefore, based on these problems, this research was conducted to test the performance of the vario motor for standard and modified CDI ignition systems. This test uses 2 types of fuel, namely pertalite and Pertamax. The measurement results from this study are using a dynamometer to measure various variations of engine speed to obtain motor power and torque. Based on research data, it was found that CDI modifications 1 and 2 with pertalite and Pertamax fuel had an influence on engine performance. Then for better results, namely the modification 2 CDI test with Pertamax fuel with the maximum power produced, namely 7.7 HP and 8.6 Nm of torque.
ANALISIS PERPINDAHAN PANAS TUNGKU PADA TUNNEL KILN UNTUK PROSES PEMBAKARAN BATA MERAH DI PT XYZ Irwan Suriaman; Uus Supriatna; M. Rizky Anugrah; Rohman; Dede Ardi Rajab; Yadi Heryadi; T.B.U. Adi Subekhi; Wawan
Jurnal Teknologika Vol 13 No 1 (2023): Jurnal Teknologika
Publisher : Sekolah Tinggi Teknologi Wastukancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51132/teknologika.v13i1.259

Abstract

Ceramics are widely used by people in industries for various purposes, for example to make cups and tiles. Currently ceramics are widely used in various industrial raw materials. Ceramics are used as materials for making spark plugs, electrical insulators, and raw materials for printing tools. The ceramics industry is energy intensive in utilizing electrical energy. The amount of energy absorption affects the amount of costs that must be incurred by companies for energy consumption. To reduce costs used by ceramic companies during production, the use of energy is a way to increase the efficiency of the tunnel kiln. Therefore, based on these problems, research was carried out to analyze the data resulting from measurements of the large flow rate of heat transfer by conduction in the thickness of the wall, the amount of heat loss lost by convection on the outside of the wall, and the amount of loss in production costs incurred due to heat loss. This aims to obtain a solution that saves electrical energy used in the production of ceramics. So it was obtained that the highest conduction was in the top firing zone of the core from burning red bricks with heat dissipation reaching 829.73 Watts. Meanwhile, the heat lost at a distance of 50 cm and at a distance of 100 cm is the top firing zone which has the greatest heat loss of up to 0.1 MW compared to the other zones. The preheating zone reaches 5 kW and the cooling zone reaches 16 kW.
ANALISA DISTRIBUSI KEKERASAN KOMPONEN MOVABLE PULLEY DRIVEN (MPDN) PADA TRANSMISI KENDARAAN Irwan Suriaman; Muhammad Al Makki; Jatira Jatira; Choirul Anwar
Jurnal Rekayasa Mesin Vol. 14 No. 2 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i2.1221

Abstract

Transmission on the vehicle is very important component to ensure maximum power transfer from the engine to the wheels. The speed of four-wheeled vehicles is influenced by the transmission system used. Pulley is the component of continuous variable transmission (CVT) which is currently widely used in the automotive industry. The CVT transmission is type of automatic transmission with  gearshift process that does not use gears, but uses pulley. The pulley is made of stainless steel. For CVT transmission there are two pulleys, both of which are called driven pulleys. The CVT transmission shift operation is controlled electronically from the computer to drive the two pulleys. These two pulleys can move to the right or to the left, respectively, so that the width of the two pulleys can change to narrow or widen. The drive pulley moves away so the belt will move inward and the same time the driven pulley will narrow so the belt will move further out. The pulley diameter becomes the gear ratio in a CVT transmission. In the CVT transmission process there will be friction between the two surfaces of the pulley and the belt, therefore it is necessary to measure the hardness of the material from the pulley to ensure the vehicle's transmission capability. In this study, the hardness of the pulley material was measured using a Vickers machine according to the ASTM 6507 standard with a given load of 0.3 kg. The measurement results obtained an average value of hardness Vickers (HV) for the pulley material of 473. 
Co-Authors Agus Suprayitno Apang Shieddique Ari Darmawan Pasek asep hermanto Choirul Anwar Choirul Anwar Dede Ardi Rajab Dewi Maulidiawati Hendrarsakti, Jooned Jatira Jatira M. Rizky Anugrah Mardiyati, Mardiyati Moch Iqbal Muttahar Muhammad Al Makki Nefli Yusuf Robi A. Nurikhsan Rohman T.B.U. Adi Subekhi T.B.U. Adi Subekhi Uus Supriatna Wawan Yadi Heryadi