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Teng Sutrisno
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Gedung P lantai 5, Universitas Kristen Petra Jl. Siwalankerto 121-131, Surabaya, Jawa Timur 60236, Indonesia.
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INDONESIA
Jurnal Teknik Mesin
Published by Universitas Kristen Petra Surabaya
ISSN : 14109867     EISSN : 26563290     DOI : https://doi.org/10.9744/jtm
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Teknik Mesin (JTM) merupakan Jurnal Keilmuan dan Terapan Teknik Mesin yang dikelola oleh Program Studi Teknik Mesin, Fakultas Teknologi Industri, Universitas Kristen Petra. JTM terbit pertama pada April 1999. JTM telah mendapatkan akreditasi Jurnal Nasional oleh Dirjen Dikti Depdiknas dengan SK-Nomor: 02/Dikti/Kep/2002, SK-Nomor :43/DIKTI/Kep/2008. JTM diterbitkan setiap bulan April dan Oktober. Tujuan penerbitan jurnal ini antara lain adalah untuk: Menyebarluaskan pengetahuan, pengalaman/terapan dan temuan baru para ilmuwan atau praktisi di bidang teknik mesin. Meningkatkan motivasi para ilmuwan dan praktisi untuk melakukan penelitian dan pengembangan ilmu di bidang teknik mesin
Arjuna Subject : Energi (semua kategori) - Energi (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol. 14 No. 2 (2013): OCTOBER 2013" : 8 Documents clear
Kekuatan Tekan dan Flexural Material Komposit Serat Bambu Epoksi Agustinus Purna Irawan; I Wayan Sukania
Jurnal Teknik Mesin Vol. 14 No. 2 (2013): OCTOBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

Natural fiber composite to be one good choice to substitute synthetic fiber composite. One of the abundance of natural fiber is bamboo fiber. This study aims to develop and obtain the mechanical characteristics of bamboo fiber composite with epoxy matrix that will be implemented on the socket prosthesis product. Testing was conducted involve the compressive strength according ASTM D 695, flexural strength according ASTM D 730-03, and compressive failure test of socket prototype product according ISO 10328. Based on the results testing, obtained compressive strength of 41.44 MPa, flexural strength of 98.32 MPa, and compressive failure maximum of socket prosthesis prototype made ​​from bamboo fiber epoxy composites 87.1 ± 4.3 kN. The result show that strength of bamboo fiber epoxy composite has potential to be developed further as socket prosthesis and other engineering materials.
Sistem Interferometer Michelson untuk Mengukur Regangan pada Mesin Uji Tarik Budi Setyahandana; , Martanto; Ronny Dwi Agusulistyo; Agung Bambang Setyo Utomo
Jurnal Teknik Mesin Vol. 14 No. 2 (2013): OCTOBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

Hasdone research Michelson interferometer system along with data acquisition, which is used for measuring strain in the tensile testing machine. Moveable mirror Michelson interferometer system mounted on the specimen clamp tensile testing machine. When the load is given in the test specimen, the specimen having the length and cause of any difference wave length of the laser beam. The wave length differences cause interference, and produce an interference pattern in the form of dark-light pattern (fringe). Interference pattern will be detected phototransistor sensor signal wave form, then recorded and processed by electronic circuits and interface microcontroller circuit, as well as converted and displayed as a displacement/increase in length (strain) of the test specimen. The experimental results obtained by the Michelson interferometer system that measures the movement (displacement) of the best maximum 9 mm. Displacement measurements using aluminium specimens produced a mean standard deviation of 0.023 (0.2%) and 0.074 (0.08%), and use of low carbon steel specimen rods produce a mean deviation of 0.08 (0.72%). appears that the system is very close to the measurement interferometer with ekstensometer. Measurement accuracy at the time of the test specimen is attached to be reduced compared to the measurements on the crosshead without load, due to a growing vibration machine.
Pengaruh Sudut Camber Roda Depan pada Kemampuan Belok Mobil Model 4 dan 2 Roda Penggerak (4WD dan RWD) Joni Dewanto; Dicky Efendi
Jurnal Teknik Mesin Vol. 14 No. 2 (2013): OCTOBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

Some experts had conducted research on vehicles dynamics and stability through the various modeling and simulation. This paper proposes an experimental base research about influence of front wheel camber angle on cornering ability of 4 wheel vehicle. The experiment performed on four and two rear wheel drive of a remote control vehicle model car with variables front wheel camber angle and speed of vehicle. The result showed that negative front wheel camber angle impact could reduce the turning ability of vehicle. Four wheel drive car has better turning ability than two rear wheel drive car. The best turning ability of car accomplished if the front wheel camber angle is set at 00.
Analisis Termal Macro-Thermobalance Pembakaran Serbuk Gergaji dan Campurannya Sudarno ,; Dwi Aris Himawanto; Agustinus Sujono
Jurnal Teknik Mesin Vol. 14 No. 2 (2013): OCTOBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

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The Sawdust is a waste of sawmill industry which can be used for energy sources. However, the existences of wastes are generally susceptible to mixed with other biomass. This research will investigated the combustion characteristics of sawdust mixed with rice husks or corncobs in powder form. Percentage weight of a mixture of rice husks or corn cobs into sawdust be varied in the range 0, 25, 50, 75, and 100%. Thermal analysis of macro-thermo balance at heating rate 20°C/min in air environment is used in this case. While the samples with weight 10g to be applied in this experiment. The results showed that the graphics TG of the sample mixture has shifted to the right for the powder size 40+/60-mesh. It means the decomposition has been delayed or occurre data higher temperature region. As for the powde rsize 20+/40- mesh graphics TG of the sample mixture shifted to the left, it means early decomposition occurred or occurs at a lower temperature. The average activation energy of carbon combustion from saw dust, saw dust-rice husk and saw dust-corncobs respectively 91.67kJ/mole, 95.28kJ/mole, and 89.83kJ/mol. While the average minimum peak of the graphics DTG, mixture of sawdust-rice husk higher and sawdust-corncobs lower than sawdust. The average reaction rate constants of carbon burning from sawdust, sawdust-rice husk and sawdust-corncobs are 0.0071, 0.0047, and 0.007, respectively.
Increase of Performance and Smoke Emission by Increasing ERG Rate in IDI Diesel Engine using Jatropha Oil and Diesel Fuel Blends Syaiful MSK Tony Suryo Utomo
Jurnal Teknik Mesin Vol. 14 No. 2 (2013): OCTOBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

Recently, a study of biodiesel fuel use as a substitute of diesel fuel becomes an interesting topic due to critical fossil fuel availability. The use of biodiesel fuel directly into diesel engine without the change of fuel injector parameter causes the problems because of different properties of biodiesel fuel compared with that of diesel fuel. The aim of present study is to investigate experimentally the effect of exhaust gas recirculation (EGR) on the diesel engine performance and smoke emissions by using jatropha oil and diesel fuel blends as the fuel. EGR is one of methods to increase the fuel efficiency of diesel engine. The use of EGR method on diesel engine may also reduce NOx emissions. In this research, EGR temperature is varied to study its effect on the diesel engine consumption and smoke emissions. Jatropha oil blend is in the range of 10 to 30 %. It is found that the high EGR rate expressed the low fuel consumption compared with that of the low EGR rate by using diesel fuel or jatropha oil - diesel fuel blends. The present paper also shows that the high EGR rate results the high smoke emissions for both cases.
Studi Numerik Pengaruh Geometri dan Desain Diffuser untuk Peningkatan Kinerja DAWT (Diffuser Augmented Wind Turbine) Adhana Tito Hary Wibowo; Ruri Agung Wahyuono; Gunawan Nugroho
Jurnal Teknik Mesin Vol. 14 No. 2 (2013): OCTOBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

Numerical study was conducted on the effect a variation of flange angle on diffuser DAWT performances using Computational Fluid Dynamics (CFD). This research objective is to perform and analyze the flow characteristics such as Velocities profile and static pressure profile on the effect of diffuser’s flat flanged tilt angle. Verification of computation condition result by comparing data qualitative data and quantitive data Ohya’s experiment, (2008).  Qualitative analysis showed by velocity contour, streamline contour and velocity vector. Quantitative result showed by the velocity increased profile and static pressure profile graph. The streamline of simulation result showed the bigest blockage effect due to of airflow is flange with angle 900. This effect caused the vortex formation at back side of flange. Velocity vector contour given prediction on direction of stream flow tip losses reduction at the backside of flanged diffuser. Quantitative data showed  flow performance in interior diffuser with top increased velocity augmentation of flanged diffuser is angle 900 by 9,82 m/s or 1,96 times freestream velocities and static pressure coefficient value by -2.85.
Pemesinan Laju Tinggi dan Pemesinan Kering Menggunakan Pahat Karbida pada Bahan Aluminium 6061 Bobby Umroh; Surya Murni Yunus; Syamsul Basri
Jurnal Teknik Mesin Vol. 14 No. 2 (2013): OCTOBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

Research of high speed machining and dry machining use for the best cutting conditions on the roughness aluminum 6061 material surface using a carbide tool. Collection machining test data is performed 4 times trial with 3 main variable is the rate of cutting (V), Ingestion rate (f) and depth of cut (a) at three levels of scale. The best surface roughness conditions is determined by the rate of the cemetery, where the rate of feeding is recommended at f = 0.12 mm/rev or < 0:17 mm/rev. Effect of cutting force is inversely proportional to the value of rate of cuts. At the greater of the cutting force so the surface roughness also getting smaller. Depth of cut and rate cuts also affects on the surface roughness but not in any condition determined. At the lowest state with V = 1000 m/min f = 0:12 mm/rev and a = 1 mm, surface defects (surface defect). Possibly, this is caused by the vibration of the tool due to lack of dynamic balance in the cutting process.
Peningkatan Sifat-Sifat Fatik Baja NS-1045 Chromized dengan Proses Perlakuan Panas Amru Siregar; , Amrinsyah
Jurnal Teknik Mesin Vol. 14 No. 2 (2013): OCTOBER 2013
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

Metal alloys for usage the high temperature, besides needed the good mechanical properties, also needed the corrosion resistance properties. Chromized components exhibit superior resistance to a variety of aggressive corrosive mechanism, including high temperature oxidation, and chloride-related attack. Chromized coatings are diffusion-type coating can be applied by electrodeposition. So that happened degradation fatigue strength of chromized steel. The mechanical properties of chromized steel can be improved by heat-treatment process. In this research conducted hardening and tempering process to NS-1045 chromized steel. Influence of heat-treatment to the mechanical properties, it is has been tested by using machine rotary bending test. While examination of microstructure can do it by using microscope optic and scanning electrone microscopy (SEM). Analysis influence heat-treatment of NS-1045 chromized steel to fatigue strength, it is increase about (20÷25)%.

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