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Herry Irawansyah
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Program Studi Teknik Mesin, Fakultas Teknik, Universitas Lambung Mangkurat Jalan Jenderal Achmad Yani KM 35,5 Banjarbaru, Kalimantan Selatan - 70714
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JTAM ROTARY
Published by Universitas Lambung Mangkurat
ISSN : 27216225     EISSN : 27456331     DOI : https://doi.org/10.20527/jtam_rotary.v2i2
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
JTAM Rotary diterbitkan oleh Program Studi Teknik Mesin Fakultas Teknik Universitas Lambung Mangkurat. JTAM Rotary merupakan jurnal terbuka yang dapat diakses siapapun, baik itu peneliti, akademisi, dan praktisi di bidang teknik mesin. JTAM Rotary terbit dua kali dalam setahun, yaitu pada bulan April dan bulan September. JTAM Rotary berfokus pada jurnal-jurnal mahasiswa teknik mesin di bidang keahlian Konversi Energi, Desain dan Konstruksi, Manufaktur, dan Rekayasa Material.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 121 Documents
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PENGARUH TIPE ABSORBER TEMBAGA DAN SENG PADA SOLAR DISTILLATION TERHADAP PRODUKTIVITAS KONDENSAT AIR LAUT Maulana, Muhammad Rizqi; Mastiadi Tamjidillah, Mastiadi; Ramadhan, Muhammad Nizar
JTAM ROTARY Vol 4, No 1 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i1.5545

Abstract

Destilasi surya adalah alat yang memanfaatkan energi radiasi matahari sebagai sumber panas. Penelitian ini membandingkan distilasi surya dengan penyerap tembaga dan seng. Tujuan dari penelitian ini adalah untuk mengetahui perpindahan panas yang terjadi, produktivitas air yang dihasilkan dan kualitas air yang dihasilkan. Penelitian dilakukan selama 4 hari. Hasil penelitian ini bahwa destilasi surya dengan penyerap tembaga lebih baik daripada penyerap seng. Hal ini terlihat dari produktivitas air yang dihasilkan. Destilasi surya dengan penyerap tembaga memiliki produktivitas air sebesar 468 ml, sedangkan destilasi surya dengan penyerap seng hanya 315 ml. Perpindahan panas konduksi tertinggi terjadi pada destilasi surya dengan penyerap tembaga yaitu 4064,6 Watt. Untuk perpindahan panas konveksi tertinggi dilakukan destilasi surya dengan penyerap seng, yaitu konveksi dari permukaan kaca ke lingkungan sebesar 0,25 Watt. Perpindahan panas radiasi tertinggi terjadi pada destilasi surya dengan penyerap seng, yaitu radiasi dari kaca ke lingkungan sebesar 33,6 Watt. Hasil penelitian kualitas air yang dihasilkan oleh kedua penyulingan tenaga surya tersebut adalah air tersebut dapat dikategorikan sebagai air bersih. Solar distillation is a device that utilizes solar radiation energy as a source of heat. This research compares solar distillation with copper and zinc absorber. The purpose of this research is to determine the heat transfer that occurs, the productivity of the water produced and the quality of water produced. Research is doing for 4 days. The results of this research that solar distillation with copper absorber is better to zinc absorber. This is seen from the productivity of the water produced. Solar distillation with copper absorber has a water productivity of 468 ml, while solar distillation with zinc absorber is only 315 ml. The highest conduction heat transfer is in solar distillation with copper absorber is 4064.6 Watts. For the highest convection heat transfer, there is solar distillation with zinc absorber, which is convection from the surface of the glass surface to the ambient is 0.25 Watt. The highest radiation heat transfer is in solar distillation with zinc absorber, which is radiation from the glass to the ambient is 33.6 Watts. The results of research the quality of water produced by both solar distillation is that the water can be categorized as clean water.
UJI KARAKTERISTIK PEMBAKARAN CRUDE PALM OIL - MINYAK DIESEL DENGAN MENGGUNAKAN DROPLET Maulana, Aziz; Mursadin, Aqli
JTAM ROTARY Vol 4, No 1 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i1.4138

Abstract

This study aims to find out and see the characteristics of combustion of crude palm oil and diesel oil using droplets, the characteristics observed are the flashpoint of a fuel at the lowest temperature (Flash Point), the time from the heater under the droplet until the fire ignites (Ignition delay time), burning time of each droplet (Burning rate) and measure the height of fire on the results of combustion. Variation of the mixture of fuel Crude Palm Oil and diesel oil namely 10% Crude Palm Oil and 90% Diesel Oil, 20% Crude Palm Oil and 80% Miyak Diesel, 30% Crude palm Oil and 70% Diesel Oil, 40% Crude Palm oil and 60% Diesel Oil, and 50% Crude Palm Oil and 50% Diesel Oil. The tool used is a combustion chamber designed by researchers, Crude Palm Oil, Diesel Oil, Thermocouple and others. The results of this study are the lowest flashpoint results obtained in the mixture of 10% crude palm oil has a lower flash point value of 97⁰C and the highest value in the 50% crude palm oil fuel mixture is 152⁰C, the result of Ignition Delay Time is the value the lowest in the crude palm oil mixture of 10% has an average value of 0.52 seconds while the highest value in the crude palm oil fuel mixture is 50%, the average value is 2.72 seconds, then the results of the Burning Rate are the lowest value in the mixture of ingredients crude palm oil fuel 10% the average burning rate is 3.36 seconds while the highest value in the crude palm oil mixture is 40%, the average burning rate is 4.4 seconds and the result of visualization of fire or flame height is the highest value from a mixture of 10% crude palm oil with a fire height of 71.18 mm while those with the lowest fire height in a mixture of crude palm oil 50% have a high flame 66.45 mm.
ANALISA KERJA BELT CONVEYOR BW 1400 UNTUK MEMENUHI PRODUKSI 1500 TON/JAM DI PT. PANCA PERKASA INDOPRIMA SEAT SEBAMBAN Husaini, Nur Haris; Tamjidilah, Mastiadi
JTAM ROTARY Vol 4, No 1 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i1.5546

Abstract

PT Panca Perkasa Indoprima dengan menghitung data yang diperoleh dari lapangan selama kunjungan lapangan. Data ini diberikan dari situs meniger PT Panca Perkasa Indoprima. Kajian ini langsung mengecek kesetaraan komponen komponen penggerak belt conveyor di jok PT Panca Perkasa Indoprima Sebamban disertai dengan keselamatan area tiga K3. Dengan data yang diperoleh dapat dibuat sesuai dengan kebutuhan conveyor belt conveyor 1500 ton/jam. Dari hasil analisis yang dilakukan dapat ditarik kesimpulan yaitu. Untuk dapat menghasilkan daya dukung maka conveyor tersebut bernilai 1500 t/jam. Dibutuhkan kecepatan 12,6 km/jam dengan tenaga motor sebesar 89,5 kW. Kondisi sebenarnya di lapangan hanya berkisar 1.028 t/jam dengan kecepatan belt 8,64 km/jam dan motor yang digunakan adalah motor dengan daya 90 KW dari PT Panca Perkasa Indoprima. PT Panca Perkasa Indoprima by calculating the data obtained from the field during the field visit. This data was given from the meniger site PT Panca Perkasa Indoprima. This study immediately checked the equality of the components of the conveyor belt drive components in the PT Panca Perkasa Indoprima Sebamban seat accompanied by the safety of the three K3 area. With the data obtained it could be made according to the need for conveying belt conveyors of 1500 tons / hour. From the results of the analysis carried out, conclusions can be drawn, namely. To be able to produce a carrying capacity, the conveyor is worth 1500 t / hour. It takes a speed of 12.6 km / h with motor power of 89.5 kW. The actual conditions in the field are only around 1,028 t / hour with a belt speed of 8.64 km / hr and the motor used is a motor with a power of 90 KW from PT Panca Perkasa Indoprima.
PENGARUH TEMPERATUR TUANG TERHADAP POROSITAS, STUKTUR MIKRO DAN KEKERASAN DARI ALUMUNIUM RONGSOK BALING-BALING KAPAL MENGGUNAKAN PENGECORAN EVAPORATIF Jumalik, Jumalik; Siswanto, Rudi
JTAM ROTARY Vol 4, No 1 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i1.5541

Abstract

Aluminum and its alloys are the second largest metal material used after steel. Aluminum applications and alloys are very diverse, ranging from buildings, vehicle bodies, engine components, components to ships, to applications on aircraft. The strength and hardness of aluminum alloys are high, one application of aluminum as a component on a ship is as a material for making propellers on traditional fishing boats, more specifically aluminum alloy. Used aluminum can be obtained from the remnants of the industry making aluminum doors, windows and frames, making aluminum racks and storefronts, and other products with aluminum profile as the main material. many of them use aluminum alloy scrap as their main casting material to reduce their production costs. Evaporative or casting casting using Styrofoam or lost foam casting patterns is casting using a pattern of materials that can evaporate when exposed to molten metal heat. Casting uses a temperature of 650°C, 700°C, 750°C, 800°C. The results of casting temperature can affect porosity, microstructure, and hardness.
PENGARUH KEMIRINGAN SUDUT KACA PENUTUP PADA SOLAR DISTILATION DENGAN ABSORBER SENG (Zn) TERHADAP PRODUKTIVITAS KONDENSAT AIR LAUT Nurmisriandi, Nurmisriandi; Tamjidillah, Mastiadi; Ramadhan, Muhammad Nizar
JTAM ROTARY Vol 4, No 1 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i1.5548

Abstract

Destilasi surya merupakan alat sederhana yang memanfaatkan energi radiasi matahari sebagai sumber panas. Penelitian ini membandingkan destilasi surya dengan sudut kemiringan kaca penutup 30°, 40°, dan 50°. Tujuan dari penelitian ini adalah untuk mengetahui perpindahan panas yang terjadi, produktivitas air yang dihasilkan dan kualitas air yang dihasilkan. Penelitian dilakukan selama 4 hari. Hasil penelitian ini mengungkapkan bahwa sudut 30° menghasilkan lebih banyak air kondensat. Produktivitas air paling banyak terjadi pada sudut 30 dengan jumlah air 438 ml, sedangkan produktivitas terendah terjadi pada sudut 50 dengan jumlah air 136 ml. Perpindahan panas konduksi tertinggi terjadi pada destilasi surya dengan penyerap seng yaitu 1243,52 Watt. Untuk perpindahan panas konveksi tertinggi sebesar 0,15 Watt. Perpindahan panas radiasi tertinggi adalah 33,93 Watt. Hasil penelitian terhadap kualitas air yang dihasilkan oleh ketiga solar refiner tersebut air tersebut dapat dikategorikan sebagai air bersih. Solar distillation is a simple tool that utilizes solar radiation energy as a source of heat. This study compares solar distillation with the slope angle of the glass cover 30°, 40°, and 50°. The purpose of this study is to determine the heat transfer that occurs, the productivity of the water produced and the quality of water produced. The study was conducted for 4 days. The results of this study reveal that the angle of 30° produces more condensate water. The most water productivity occurs at an angle of 30 with the amount of water 438 ml, while the lowest productivity occurs at an angle of 50° with the amount of water 136 ml. The highest conduction heat transfer is in solar distillation with zinc absorber is 1243.52 Watts. For the highest convection heat transfer of 0.15 Watt. The highest radiation heat transfer was 33.93 Watts. The results of the research on the quality of water produced by the three solar refiners are that the water can be categorized as clean water.
PENGARUH BAHAN BAKAR PERTALITE MURNI DENGAN CAMPURAN BAHAN BAKAR PREMIUM DAN PERTAMAX TERHADAP PERFORMANCE EMISI GAS BUANG PADA MOTOR HONDA BEAT 2017 Setiawan, Joni; Ghofur, Abdul
JTAM ROTARY Vol 4, No 1 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i1.5540

Abstract

Performance and exhaust emissions in 2017 Honda Beat vehicles, namely: 1. The best exhaust emissions are produced in a mixture of 50% premium fuel and 50% first with HC value of 23 ppm, CO 0.31%, CO2 5.88% and O2 11.30%. So the more mixture of pertamax at the premium, the better the exhaust emissions produced. 2. The best performance is produced in a mixture of 50% premium fuel and pertamax 50% with a torque value of 11.01 in Rp. 3655 and a power of 7,537 HP at Rp. 6994. So the more mixture of pertamax at the premium, the better exhaust emissions produced. 3. Performance and exhaust emissions, pure pertalite produces the best performance and exhaust emissions compared to the mixture of premium and pertamax fuel with a torque value of 11.57 Nm at rpm 3680, power 7,555 HP at rpm 7136, HC 11 ppm, CO 0.27%, CO2 is 5.36% and O2 is 11.48%.
PENGARUH TEMPERATUR TUANG TERHADAP POROSITAS, STUKTUR MIKRO DAN KEKERASAN DARI ALUMUNIUM WAJAN NAGARA DAN WAJAN JAWA MENGGUNAKAN PENGECORAN EVAPORATIF Yuono, Nanang; Siswanto, Rudi
JTAM ROTARY Vol 4, No 1 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i1.5664

Abstract

Aluminum and its alloys are the second largest metal materials used after steel. Applications and aluminum alloys are very diverse ranging from building vehicle bodies engine components components to ships to applications on airplanes. The strength and hardness of high aluminum alloys,one of the applications of aluminum as a component in the motor is as an ingredient for making alloy wheels, more specifically aluminum alloys. Used aluminum can be obtained from the remnants of the industry making aluminum doors, windows and frames, making aluminum shelves and storefronts, and other products with aluminum profiles as the main material. many of them use aluminum scrap as their main casting material to reduce production costs. Evaporative or casting casting using Styrofoam or a lost foam casting pattern is a casting using a material pattern that can evaporate when exposed to molten metal heat. Casting uses a temperature of 650 ° C, 700 ° C, 750 ° C, 800 ° C. The results of casting temperatures can affect porosity, microstructure, and hardness.
RANCANG BANGUN MESIN PENYERBUK KAYU KAPASITAS 130 KG/JAM DAN PENEPUNG SEKAM DALAM SATU POROS UNTUK KEBUTUHAN PEMBUATAN MEDIA BAGLOG JAMUR TIRAM Ardianto, Hendra; Tamjidillah, Mastiadi
JTAM ROTARY Vol 4, No 1 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i1.5809

Abstract

Salah satu makanan yang digemari masyarakat adalah jenis jamur. Di wilayah Takisung, budidaya jamur tiram sedang diusahakan. Namun, beberapa pembudidaya mengeluhkan sulitnya mendapatkan bahan baku yang sesuai. Melihat hal tersebut maka penulis melakukan penelitian dengan judul “ Perancangan Mesin Penyerbuk Kayu Kapasitas 130 Kg/Jam dan Penggiling Sekam Dalam Satu Poros Untuk Kebutuhan Pembuatan Media Baglog Jamur Tiram”. Tujuan dari penelitian ini adalah merancang mesin penyerbuk kayu dengan kapasitas 130 kg/jam dan sekop sekam dalam satu poros yang menghasilkan produk yang seragam. Dari perencanaan kapasitas 130 Kg/jam penulis mendapatkan hasil perhitungan yang kemudian digunakan dalam ukuran mesin. Hasil perhitungan tersebut adalah putaran yang dibutuhkan 1128 rpm, puli yang digerakkan 10 cm, panjang belt 1118 mm (angka 44), diameter poros 20 mm. One of the foods that are popular with people is a type of mushroom. In the Takisung region, the cultivation of oyster mushrooms is being cultivated.  However, some cultivators complain about the difficulty of obtaining suitable raw materials. Seeing this, the author conducted a study with the title " Design of Wood Pollinator Machine capacity of 130 Kg / Hour and Husk Grinders in One Shaft for Media Manufacturing Needs for Baglog Oyster Mushrooms ". The purpose of this study is to design a wood pollinating machine with a capacity of 130 kg / hour and husk shovel in one shaft which produces a uniform product. From the planning capacity of 130 Kg / hour the author gets the calculation results which are then used in the size of the machine. The results of these calculations are the required rotation of 1128 rpm, pulleys which are moved 10 cm, belt length 1118 mm (number 44), shaft diameter 20 mm.
PERANCANGAN DAN PEMBUATAN ALAT PEMOTONG KERUPUK OTOMATIS DENGAN KAPASITAS 60 KG PER JAM Hidayat, Denny Pradipta; Tamjidillah, Mastiadi
JTAM ROTARY Vol 4, No 2 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i2.6666

Abstract

Penelitian ini bertujuan untuk bagaimana merancang dan membuat alat pemotong kerupuk otomatis dengan kapasitas yang ditentukan. Untuk perencanaan alat ini dimulai dari perhitungan perencanaan perhitungan daya motor listrik, sistem transmisi, menghitung sabuk V, Pulley, Sprocketchain , pasak, poros, bantalan dan analisis kekuatan rangka. Berdasarkan perhitungan alat yang didapat adalah: alat ini menggunakan motor listrik ¼ HP 186 (watt) denagn putaran elektro motor 2870 rpm, sistem transmisi  menggunakan sabuk V dengan tipe B dengan panjang sabuk (L) 1930 mm atau 76 inchi. dengan ukuran puli kecil 3 inchi 73,9 mm dan diameter puli besar 30 inchi 785,52 mm. untuk jumlah gigi sprocket kecil 16 D1 97,64 mm dan gigi sprocket besar 32 D2 195,38 mm, diameter poros 14,10 mm, dengan tinggi pasak 6 mm dan panjang pasak 17 mm. Analisis kekuatan rangka dengan 15 titik beban, setiap titik memiliki beban 1 kg dan ada 17 titik tumpuan dengan hasil yang didapat rata – rata 0.000 – 0.870 N, besi tipe L steel alloy beban maksimalnya 2.183.902 N.mm. Kapasitas produksi yang dihasilkan alat ini 60 kg/jam. This study aims to design and make automatic cracker cutting tools with a specified capacity. For planning this tool starts from the calculation of electric motor power planning calculations, transmission systems, calculating the V belt, Pulley, Sprocketchain, pegs, shafts, bearings and frame strength analysis. Based on the calculation tools obtained are: this tool uses an electric motor ¼ 186 HP (watts) with 2870 rpm electro motor rotation, the transmission system uses a V belt with type B with a belt length (L) 1930 mm or 76 inches. with a small pulley size of 3 inches 73.9 mm and a large pulley diameter of 30 inches 785.52 mm. for the number of small sprocket teeth 16 D1 97.64 mm and large sprocket teeth 32 D2 195.38 mm, shaft diameter 14.10 mm, with 6 mm peg height and 17 mm peg length. Analysis of frame strength with 15 load points, each point has a load of 1 kg and there are 17 support points with the results obtained on average 0.000 - 0.870 N, iron type L steel alloy maximum load of 2,183,902 N.mm. The production capacity produced by this tool is 60 kg / hour.
ANALISIS KINERJA COOLING TOWER MENGGUNAKAN METODE RANGE DAN APPROACH DI PLTU ASAM-ASAM Rahman, Rahman; Mursadin, Aqli
JTAM ROTARY Vol 4, No 2 (2022): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v4i2.6411

Abstract

Beberapa faktor yang mempengaruhi kinerja menara pendingin diantaranya adalah kondisi distribusi aliran air dan udara pada menara pendingin. Semakin merata aliran air dan udara, semakin baik kinerja menara pendingin. Agar distribusi aliran air dan udara dapat merata, maka perlu dilakukan analisis kinerja menara pendingin sesuai dengan metode yang digunakan untuk mengetahui apakah menara pendingin masih mampu mendinginkan air secara optimal atau kinerjanya menurun. Metode yang digunakan adalah dengan menghitung range dan approach, dan parameter yang dibutuhkan adalah suhu air masuk dan suhu pendinginan menara keluar, dan suhu bola basah menara pendingin. Hasil analisis menara pendingin menunjukkan rentang nilai terendah sampai tertinggi adalah 14,01oC - 15,05oC, nilai pendekatan 8,03oC - 9,16oC, dan nilai efektifitas 60,95% - 64,71%. Dari rentang, pendekatan, dan nilai efektivitas di atas dapat disimpulkan bahwa kinerja menara pendingin dalam air pendingin pada saat itu masih relatif baik. Naik turunnya nilai range, approach dan efektivitas dipengaruhi oleh temperatur lingkungan dan kerja menara pendingin. There are several factors that affect the cooling tower performance including the condition of the distribution of water flow and air in the cooling tower. The more even distribution of water and air flow, the better the cooling tower performance. In order for the distribution of water and air flow to be evenly distributed, it is necessary to analyze the performance of the cooling tower according to the method used to determine whether the cooling tower is still able to cool water optimally or its performance decreases. The method used is by calculating the range and approach, and the parameters needed are the temperature of the intake water and the cooliing temperature of the exit tower, and the wet bulb temperature of the cooling tower. The results of the cooling tower analysis show that the range values from the lowest to the highest are 14.01oC - 15.05oC, the approach value is 8.03oC - 9.16oC, and the effectiveness value is 60.95% - 64.71% . From the range, approach, and effectiveness values above it can be concluded that the cooling tower's performance in cooling water at that time was still relatively good. The rise and fall of the range, approach and effectiveness values are influenced by environmental temperature and cooling tower work. 

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