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All Journal Rekayasa Mesin Journal of Engineering and Management in Industrial System The Indonesian Green Technology Journal Scientific Journal of Mechanical Engineering Kinematika PELS (Procedia of Engineering and Life Science)

Eko Siswanto

Jurusan Teknik Mesin Fakultas Teknik Universitas Brawijaya

Author-ID : 2842281

Automotive Engineering Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Articles

PENDEKATAN ALGORITMA CROSS ENTROPY-GENETIC ALGORITHM UNTUK MENURUNKAN MAKESPAN PADA PENJADWALAN FLOW SHOP Dian Setiya Widodo; Purnomo Budi Santoso; Eko Siswanto
Journal of Engineering and Management in Industrial System Vol 2, No 1 (2014)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

In the flow shop scheduling each job will go through every machine in the same order. The goal of this research is to complete a series of jobs in order to obtain the optimal makespan for stick skewers rounding machine. It is become necessities because the company has no planning and scheduling, while the demand exceeds the capacity Thus, optimize the scheduling is needed to be done. One way to optimize the scheduling is to minimize makespan. Based on the results of the research Cross Entropy Algorithm-Genetic Algorithm (CEGA) can provide the optimal solution. This is evident by a comparison technique that enumeration techniques obtained similar results with makespan 1982 seconds, but when compared to the company, CEGA method is better with makespan efficiency of 12.18%. The use of CEGA with the MATLAB has more advantages that simplify and speed in performing the calculations to can optimal solution.

ANALYSIS OF TEMPERATURE DISTRIBUTION OF HEAT TRANSFER COEFFICIENT IN COOLING SYSTEM (SIMULATION) USING POROUS MEDIA WITH POROSITY VARIATION Ahmad Hamim Su'udy; Eko Siswanto; Rudy Soenoko
Journal of Engineering and Management in Industrial System Vol 5, No 2 (2017)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

Abstract: Internal combustion engine is an engine that is old enough and today has much alternative energy that is found to shift from the role of motor fuel, The cooling system in internal combustion engine, if not handled properly will cause something that is fatal is the occurrence of overheating. Cooling during this time using the fin and radiator, and research continues to grow in terms of heat transfer, that is by using porous media, with the help of computer simulation then the role of the fin and radiator can be replaced with porous media with porosity variation 10%, 15%, 20% 25%, 30% so that the temperature distribution will be obtained. The result of the research by using simulation shows that the porosity value of porous media, the temperature distribution value is also bigger. The lower porosity of the value of (h) the heat transfer coefficient will increase.

PENERAPAN KONSEP GREEN MANUFACTURING PADA BOTOL MINUMAN KEMASAN PLASTIK Wisma Soedarmadji; Surachman Surachman; Eko Siswanto
Journal of Engineering and Management in Industrial System Vol 3, No 2 (2015)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

Abstract Green Manufacturing is a production process that uses input with a relatively low environmental impact and produce little or no waste or pollution. Application of green manufacturing in the production process of plastic packaging beverage bottles through several stages of the coloring process, preparation of cleaning, repair environmentally friendly, and environmentally friendly conditions. Delivery bottle plastic packaging to the manufacturer for recycling reaches ± 2-3 tons in one shipping every week. Delivery is done three times a month, so that averaged reach 8-12 tons per month for waste bottles of all brands. The purpose of this research are: 1) Knowing the positive influence between staining with cleansing preparation, 2) Knowing the positive influence between the preparation of cleaning with environmentally friendly improvements, 3) Knowing the positive effect between environmentally friendly improvements to the condition of eco-friendly, 4) Knowing the positive influence between staining with environmentally friendly conditions. This study used a survey method using data analysis Partial Least Square (PLS). Results of this research are: 1) Variable staining and no significant positive effect on the variable cleansing preparation 2) Variable cleaning preparations positive and significant impact on the improvement of environment-friendly 3) Variable environmentally friendly improvements and significant positive effect on the condition of environment-friendly. 4) Variable staining and no significant positive effect on the condition of environment-friendly.

Analisis Distribusi Temperatur Koefesien Perpindahan Panas pada Sistem Pendingin (Simulasi) Menggunakan Porous Media dengan Variasi Porositas Ahmad Hamim Su'udy; Eko Siswanto; Rudy Soenoko
The Indonesian Green Technology Journal Vol 7, No 2 (2018)
Publisher : Program Pascasarjana Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.igtj.2018.007.02.04

The internal combustion engine is a fairly old machine and currently has many alternative energy which apparently has not been able to shift the role of the internal combustion engine, for the cooling system in the internal combustion engine greatly affect the performance and if not handled properly will cause something fatal, ie when the engine is too hot it can cause over heating and the machine can not work anymore. For Cooling system has been using fin and radiator. Research continues to grow in terms of heat transfer, ie by using porous media. Presence of porous media cooling system is expected to replace the role of fin and radiator easier maintenance and able to transfer heat well. In this case the research is assisted by simulation to see the temperature distribution that occurs in porous media with variation of 10%, 15%, 20% 25%, 30% The result of research by using simulation shows that the porosity value of porous media, the temperature distribution value also greater than. then the higher the porosity value the value (h) the heat transfer coefficient will be low.Keywords: Heat Transport, Porosity, Temperature

PERFORMANSI MOTOR BAKAR 6 TAK DENGAN 2 KALI PEMBAKARAN MENGGUNAKAN BAHAN BAKAR PERTAMAX DAN ETANOL Elandi; Eko Siswanto; Agung Sugeng Widodo
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 2 (2021): SJME Kinematika Desember 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i2.203

The six-stroke combustion engine is a refinement of the four-stroke engine by adding 2 steps from the four-stroke combustion engine. The 2 steps in question are the second compression stroke and the second expansion stroke, so in one work cycle, there are 2 compressions and 2 combustions. The method used is a direct experimental research method by testing the intended object. Based on previous research, different fuels affect performance (torque, power, and fuel consumption). This study aims to obtain the performance value of Pertamax and Ethanol fuel in a six-stroke engine, the fuel used is Pertamax fuel with a purity of 100% and Ethanol with a purity of 99.7%. Based on the research, analysis, and discussion results, the performance of a six-stroke combustion engine with 2 combustions using Pertamax and Ethanol fuels concluded that the maximum torque using Pertamax fuel is 8.15 N.m at 7200 rpm engine speed. For comparison, Ethanol fuel is 6.59 N.m at 7200 rpm engine speed, the average torque of Pertamax fuel is 1.16% higher than Ethanol fuel. Maximum power for Pertamax fuel is 8.25 HP at 7200 rpm engine speed. For comparison, Ethanol fuel is 6.67 HP at 7200 rpm engine speed.

Comparative Study of Combustible Species for 4-stroke Otto Cycle Combustion Motor and 6-stroke MUB-2 Cycle Combustion Motor with Fuel Pertamax Dedi Nurdiansyah; Sudjito Soeparman; Eko Siswanto
Procedia of Engineering and Life Science Vol 1 No 2 (2021): Proceedings of the 2nd Seminar Nasional Sains 2021
Publisher : Universitas Muhammadiyah Sidoarjo

This paper describes the ratio of levels of combustible species (CO, HC, CO2 and lambda) of a four-cycle otto motor with a six-stroke MUB-2 motor with additional combustion duration and two working steps. The increase in combustion duration aims to re-burn combustible species that have not been completely burned in the first combustion. This study used a 4 stroke motor with a capacity of 125 cc and then modified it into a 6 stroke motorbike with twice the duration of combustion. The observed local atmospheric conditions at a relative humidity of about 76% rH, and the ambient temperature and pressure were around 24 ° C and 101.32kPa, respectively. The implementation of data retrieval with crankshaft rotation at intervals of 600 rpm from 2400 rpm to 7200 rpm.Using an anlyser gas, the MUB-2 six-stroke engine showed 12.36% CO levels, 27.30% HC levels, 30.8 CO2 levels % and 1.7% lower lambda than conventional four-stroke engines. This means that in the 6 stroke MUB-2 motor, the combustion process of the air and fuel mixture is more perfect than the conventional 4 stroke motor.

STUDI KOMPARASI MOTOR BAKAR 6 TAK DENGAN SIKLUS DUA KALI PENGAPIAN MENGGUNAKAN BAHAN BAKAR PERTAMAX DAN ETANOL Elandi Elandi; Eko Siswanto; Agung Sugeng Widodo
Jurnal Rekayasa Mesin Vol. 13 No. 2 (2022)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v13i2.979

The six-stroke combustion engine is a refinement of the four-stroke machine by adding two strokes of the four-stroke combustion engine. The two steps in question are the second compression stroke and the second expansion stroke. The method used is an experimental research method. This study aims to obtain the performance value and exhaust gas emission values for Pertamax and Ethanol fuels on a six-stroke engine. The fuel used is Pertamax fuel with a purity of 100% and Ethanol with a purity of 99.7%. Based on the results of research, analysis, and discussion, the performance of a six-stroke combustion engine with two cycles of ignition with Pertamax and Ethanol fuel is concluded that the average torque of Pertamax fuel is 1.07% higher than Ethanol fuel. The average adequacy of Pertamax fuel is 1.27% higher than Ethanol fuel. The combustion efficiency of the Pertamax fuel six-stroke motor is 1.06% less than ethanol fuel, the cycle work (Wnet) of the Pertamax fuel six-stroke engine is 1.07% higher than that of ethanol fuel, the thermal efficiency (ηth) of the Pertamax fuel six-stroke engine is comparable to that of ethanol fuel while the fuel efficiency (ηf) of the six-stroke ethanol fuel engine is 1.09% higher than the pertamax fuel. The exhaust gas emission test results for Pertamax fuel CO are 21.2% higher than ethanol fuel. CO2 emissions from Pertamax fuel are 1.56% less than ethanol fuel, and HC exhaust emissions from Pertamax fuels are 3.7% higher than ethanol fuels.

Co-Authors Agung Sugeng Widodo Ahmad Hamim Su’udy Dedi Nurdiansyah Elandi Elandi Elandi Purnomo Budi Santoso Rudy Soenoko Rudy Soenoko Sudjito Soeparman Surachman Surachman Widodo, Dian Setiya Wisma Soedarmadji

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