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All Journal Rekayasa Mesin Info-Teknik Jurnal Elemen International Journal of Mechanical Engineering Technologies and Applications (MECHTA)
Agus Harianto
Program Studi Teknik Mesin Fakultas Teknik Universitas Antakusuma
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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PENGARUH MEDAN MAGNET DENGAN JARAK PEMASANGAN PADA SELANG BAHAN BAKAR TERHADAP EFISIENSI KOMPOR GAS LPG Agus Harianto; Makinun Makinun; Heri Santoso
INFO-TEKNIK Vol 17, No 2 (2016): INFOTEKNIK VOL. 17 NO. 2 2016
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v17i2.2492

Abstract

LPG gas stove is a tool used to convert the chemical energy of fuel into heat energy that is used for the cooking process. The use of magnetic can be affect efficiency of LPG gas stoves. The purpose of this study to determine the influence of the magnetic field and the distance of the installation of the fuel lines to the efficiency of LPG gas stove, so that can be seen optimal location of installation of magnets on the fuel line. Variations installation from the stove inlet is 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, and 120 cm. In this study, using a magnetic 5000 gauss. The observed data is the fuel consumption, cooking time savings and efficiency. The results of this study indicate that the installation of magnets in the fuel hose at a distance of 60 cm from the stove inlet is the most optimal with an efficiency of 55%. So that compared with a standard stove without magnet there is an increased efficiency of 89.65%.
Studi Eksperimen Pengaruh Pencampuran Gas HHO pada Gas LPG Secara Premixed Terhadap Bentuk Nyala Api Bunsen Burner Agus Harianto; Djoko Sungkono Kawano
ELEMEN : JURNAL TEKNIK MESIN Vol 2 No 1 (2015)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (404.26 KB) | DOI: 10.34128/je.v2i1.15

Abstract

Bentuk nyala api berguna untuk dasar informasi desain tungku pemanas pada boiler maupun kompor, sehingga dapat diketahui titik terpanas pembakaran. Kualitas pembakaran dapat ditingkatkan dengan berbagai cara. Salah satu cara yaitu mencampur gas LPG dengan gas HHO. Penelitian ini bertujuan untuk mengatahui bentuk nyala api bunsen burner dengan menggunakan campuran gas HHO dengan gas LPG. Penelitian ini dilakukan dengan metode eksperimen dan pencampuran gas HHO dengan gas LPG secara premixed pada bunsen burner. Variasi pencampuran gas HHO adalah 0%, 25%, dan 50% terhadap gas LPG. Dari penelitian diketahui perbedaan bentuk api dari panjang dan lebar nyala api.
STUDI EKSPERIMEN PENGARUH MEDAN MAGNET 800 GAUSS PADA ALIRAN BAHAN BAKAR PERTAMAX TERHADAP UNJUK KERJA MESIN BENSIN 150 CC Agus Harianto; Muhammad Arif Hariyadi; Edi Kurniawan Prasetyo
ELEMEN : JURNAL TEKNIK MESIN Vol 2 No 1 (2015)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (555.55 KB) | DOI: 10.34128/je.v2i1.16

Abstract

Medan magnet dapat membantu proses ionisasi pada bahan bakar, sehingga bahan bakar saat proses pembakaran dapat mudah mengikat oksigen. Pengikatan oksigen pada bahan bakar secara stoikiometri menyebabkan pembakaran lebih sempurna, sehingga torsi dan daya pada mesin dapat meningkat. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh pemasangan magnet 800 gauss terhadap torsi, daya, dan konsumsi bahan bakar spesifik motor bensin 150 CC. Penelitian ini dilakukan dengan membandingkan prestasi mesin motor bensin merk Honda Verza CW 150 CC yang dipasang magnet 800 Gauss merk X-Power pada saluran bahan bakar dengan tanpa dipasang magnet 800 Gauss merk X-Power. Setiap pengujian dilakukan pada putaran mesin 3000 rpm, 4000 rpm, 5000 rpm, 6000 rpm, dan 7000 rpm. Metode yang digunakan adalah secara eksperimen di Laboratorium Efisiensi dan Konversi Energi. Hasil penelitian menunjukkan bahwa dengan menggunakan magnet 800 gauss terjadi peningkatan torsi maksimal sebesar 0,59%, dan peningkatan daya maksimal sebesar 1%.
JARAK ROTOR YANG OPTIMAL TERHADAP RIPPLE PLATE PADA MESIN RIPPLE MILL UNTUK EFISIENSI HASIL PEMECAH BIJI KELAPA SAWIT CB MODIPALM KAPASITAS 8 TON/JAM Harianto, Agus; Aspiyansyah, Aspiyansyah; Faot , Ecy Yedija
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1840

Abstract

A ripple mill machine is one of the crucial pieces of equipment in the palm oil processing industry to separate oil palm kernels into fruit kernels and shells. One of the key components in this machine is the rotor and ripple plate, which play a role in the process of breaking seeds. This study aims to determine the optimal distance between the rotor and ripple plate on the ripple mill machine. The test was conducted using a CB Modipalm-type ripple mill machine. The parameter observed was the cracking efficiency of oil palm kernels, which was measured based on the percentage of cracked seeds, whole seeds, and crushed kernels. The results showed that the optimal distance between the rotor and ripple plate was 5 mm, with an efficiency value of 96.62%.
STEAM TURBINE HEAT RATE ANALYSIS BY METHOD PERFORMANCE TESTS ON POWER PLANT IN PT. KSA PALM FACTORY Khusnaini, Alfan; Aspiansyah, Aspiansyah; Harianto, Agus; Adrianur, Halim
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1842

Abstract

This research analyzed the heat rate of a steam turbine in the palm factory of PT. KSA (PT. KSA) using performance testing methods. Steam turbine heat rate is a crucial parameter in power plant efficiency, and optimizing it can lead to significant cost savings. The research methodology conducted performance tests on the steam turbine at KSA's palm factory. The collected data was analyzed to determine the rate of improvement. The efficiency of a steam turbine can be seen from the heat energy input to produce 1 kWh of electricity and the turbine heat rate. Steam turbine efficiency was compared with the fuel energy required for every 1 kWh with the turbine heat rate. The turbine heat rate value was obtained based on the performance test, with the highest value being 51.516 (kJ/kWh) and the lowest being 40.514 (kJ/kWh). For steam turbine efficiency, the highest value was 8.89%, and the lowest value was 6.99%.
PENGARUH LOAD CAPACITY LISTRIK TERHADAP EFFISIENSI TURBIN UAP MODEL C6-R8-ER : STUDY KASUS PADA PT. SURYA BORNEO INDUSTRI Tratama, Teddy; Aspiyansyah, Aspiyansyah; Harianto, Agus; Rahmandika, Kukuh
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1844

Abstract

Steam turbines are widely used at many industrial. The purpose of this research was to study the effect of load capacity on steam flow mass rate.  Load Capacity is directly proportional to the steam flow mass rate to increase Steam turbine power. While the effect of load capacity on steam turbine efficiency, where it shows the actual performance of the steam turbine which is very important to minimize operating costs. The highest thermal efficiency of 21.49% and the lowest thermal efficiency of 20.17% in the load capacity variation showed that the steam turbine can still be categorized in good condition where the operating period has reached 5 years. It is necessary to carry out preventive maintenance on steam turbine components so that they remain reliable in supporting the company's operational and production activities.
PENINGKATAN KINERJA MESIN 2 SILINDER DENGAN PENAMBAHAN OCTANE BOOSTER PADA RON 90 Hariyadi, Muhammad Arif; Aspiyansyah, Aspiyansyah; Harianto, Agus; Riduan, Agus Adjie
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1846

Abstract

Octane number value in fuel plays an important role in the performance of a 2 cylinder gasoline motor. This study aims to increase the octane number value by using octane booster. The method used by mixing RON 90 with octane booster to get engine performance consisting of torque, power, specific fuel consumption and efficiency. The results show that the addition of 3 ml of octane booster to 1 liter of RON 90 will provide an optimum value on the performance of a 2-cylinder gasoline motorcycle engine.
COOLING LOAD ANALYSIS IN THE CENTRAL SURGERY ROOM OF SULTAN IMANUDDIN HOSPITAL PANGKALAN BUN BASED ON THE REGULATION OF THE MINISTER OF HEALTH OF THE REPUBLIC OF INDONESIA NUMBER 7/MENKES/2019 Khusnaini, Alfan; Aspiansyah, Aspiansyah; Harianto, Agus; Handoyo, Budi; Munajat, Cecep
International Journal of Mechanical Engineering Technologies and Applications Vol. 1 No. 2 (2020)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2020.001.02.10

Abstract

In Sultan Imanuddin Hospital's central surgical room, analyzing the cooling load is essential to maintaining optimal working conditions for medical procedures. This study aimed to evaluate the efficacy of the cooling system in the surgical room according to the Republic of Indonesia's Minister of Health Regulation Number 7 of 2019. The investigation measured the cooling load required to maintain the room temperature within established health standards. The central surgical room was found to have a cooling load of 4301.462 kcal/h, equivalent to 17059.60 Btu/h. The hospital's air conditioning system, with a capacity of 2 PK or 18000 Btu/h, was determined to be sufficient to handle this load, providing a margin of 940.4 Btu/h. These findings enhance our understanding of the hospital's cooling system and offer recommendations to ensure that patients and medical personnel receive high-quality, safe care.
Influence of Co-Firing PKS (Palm Kernel Shell) with Coal on Boiler Efficiency Combustor Type: Reciprocating Servo Grate Tratama, Teddy; Aspiyansyah, Aspiyansyah; Harianto, Agus; Budi, Agung Prasetyo
International Journal of Mechanical Engineering Technologies and Applications Vol. 1 No. 2 (2020)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2020.001.02.6

Abstract

Biomass fuel, recognized for its renewable and environmentally friendly characteristics, presents an attractive option for energy production. This study explores a co-firing system incorporating palm kernel shell (PKS) and coal as fuel feeds for a boiler, aiming to optimize energy production and reduce gas emissions. The influence of co-firing PKS with coal on fuel feed rate and boiler efficiency was analyzed. Boiler efficiency measurements and calculations were conducted using the indirect method. The fuels were co-fired in various ratios: 65:35, 60:40, 55:45, and 50:50 (PKS). The results show that increasing the coal ratio in the fuel blend reduces the fuel feed rate and increases boiler efficiency. The optimized co-firing ratio of PKS to coal was determined to be 60:40, achieving a maximum boiler efficiency of 55.38%.
Analysis of Permeability and Compressive Strength of Local Sand of West Kotawaringan District as Molding Sand in Metal Casting Aspiyansyah, Aspiyansyah; Harianto, Agus; Mustofa, Edi
International Journal of Mechanical Engineering Technologies and Applications Vol. 1 No. 2 (2020)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2020.001.02.7

Abstract

Sand is the most widely used material as a molding material in the metal casting process. Sand can be used as a molding medium if it meets the requirements, including good formability and good permeability. This research was conducted by examining West Kotawaringin local sand by providing several tests, which include a clay content test, a water content test, a formability test, and a permeability test. The test results for local sand showed that the permeability value of sand was 0.001-0.032 cm/sec and the compressive strength value of sand was 0.073-0.126 kg/cm2. These results show that the local sand of West Kotawaringin meets the requirements of molding sand so that it can be used as molding sand in metal casting.
Co-Authors Adrianur, Halim Aspiansyah, Aspiansyah Aspiyansyah, Aspiyansyah Budi Handoyo Budi, Agung Prasetyo Edi Kurniawan Prasetyo Faot , Ecy Yedija Hariyadi, Muhammad Arif Heri Santoso Khusnaini, Alfan Makinun Makinun Muhammad Arif Hariyadi Munajat, Cecep Mustofa, Edi Pratama, Rubi Rahman, Muhammad Muksin Galih Rahmandika, Kukuh Riduan, Agus Adjie Sungkono, B.J. Santosa Tratama, Teddy