Biomedical and Mechanical Engineering Journal
The Biomej Journal is published by the Mechanical Engineering Study Program, Faculty of Engineering, East Java "Veteran" University, Surabaya-Indonesia. Biomej is an open-access peer review journal that mediates the dissemination of academics, researchers, and practitioners in the field of mechanical engineering and accepts journal publications from all over Indonesia. Biomej aims to provide a forum for national and international academics, researchers and mechanical engineering practitioners to publish original articles. All accepted articles will be published and will be freely available to all readers with wide visibility. The scope of the Biomej Journal is including widely topics in engineering such as: 1. Biomedical engineering 2. Tribology 3. Modelling 4. Finite ELement Method 5. Material Science 6. Mechatronics 7. Structural and Machiine Design 8. Stress Analysis 9. Renewable Energy 10. Structural Mechanics 11. Thermodynamics 12. Material Processing 13. Fatigue and Air Conditioning 14. Heat Transfer 15. Manufacturing 16. Fluid Mechanics 17. Combustion 18. Aeodynamics 19. Environmental Protection 20. Acoustic and Noise 21. Energy Studies 22. Refrigerationand Air 23. Conditioning 24. Engines and Turbines 25. Thermodynamics 26. Earth Science 27. Natural Hazards 28. Food Technology Processing
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<![CDATA[Planning Services for Sludge Treatment Installation (IPLT) Nganjuk Regency ]]>
<![CDATA[E Rosydah]]>;
<![CDATA[E N Hidayah]]>
<![CDATA[ Biomedical and Mechanical Engineering Journal (BIOMEJ) Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[Mechanical Engineering Department at Universitas Pembangunan Nasional "Veteran" Jawa Timur ]]>
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DOI: 10.33005/biomej.v2i2.54
<![CDATA[Abstract. Nganjuk Regency is one of the regencies in East Java Province with a fairly high population of 1,103,491 people. The high population affects the rate of wastewater production in a Regency/City. The purpose of this study is to plan the installation of a sewage treatment plant (IPLT) and the services that will be applied to the IPLT. This research method uses data analysis methods. Based on the septic tank users and the service distance of the 100% serviced area selected for the priority zone served by 5 sub-districts, namely Nganjuk District, Rejoso District, Sukomoro District, Loceret District, Bagor District, because these districts are the closest to the planning area. The toilet suction pattern that will be applied is the direct transportation pattern and the collective transportation]]>
<![CDATA[A brief review on recent advancement of anode materials for biogas-fed solid oxide fuel cells (SOFCs) ]]>
<![CDATA[S Islamiyah]]>;
<![CDATA[A Nandini]]>
<![CDATA[ Biomedical and Mechanical Engineering Journal (BIOMEJ) Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[Mechanical Engineering Department at Universitas Pembangunan Nasional "Veteran" Jawa Timur ]]>
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DOI: 10.33005/biomej.v2i2.55
<![CDATA[Solid Oxide Fuel Cell (SOFC) is a fuel cell technology run at high temperatures which enable internal reforming of fuel and production of high-quality by-product heat for cogeneration. The most distinguished advantage of SOFC is its excellent fuel flexibility. Biogas is one of the alternative fuels to preferable pure hydrogen. One of the important issues in operating SOFC with biogas is the formation of carbon on anode surface. Therefore, the development of coking-resistant anode materials is essential to create a high performance and stable biogas-fed SOFC. This review provides a brief survey on the recent progress of anode materials, mainly Ni-based cermet, and the modifications to prevent carbon deposition. The current situation of biogas production and utilization in Indonesia is also briefly reviewed.]]>
<![CDATA[Microstructure on the TiB and Mg Reinforced of Al356 Alloy with Die Casting Process ]]>
<![CDATA[E I Bhiftime]]>
<![CDATA[ Biomedical and Mechanical Engineering Journal (BIOMEJ) Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[Mechanical Engineering Department at Universitas Pembangunan Nasional "Veteran" Jawa Timur ]]>
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DOI: 10.33005/biomej.v2i2.56
<![CDATA[Abstract. Metal matrix composites (MMC) reinforced with titanium boron and magnesium offer high mechanical and good physical. Al356 alloy reinforced with TiB and Mg particles in die casting prosses was the most simple way. The purpose of the study was to investigate the difference of the microstructure to Al356 alloy reinforced of TiB and Mg particles, as well as the changing effects on the extra level of TiB and Mg. The base materials used were Al356 alloy as the matrix and TiB and Mg as the reinforcement (3, 4, 5 wt%). The casting prosses used in the study was the die casting. The microstructure of the composites fabricated by different parameters indicated that semi-solid method resulted improved in homogeneous particle distribution 3–5 wt% TiB and Mg composites were fabricated by the novel processing. The particle distribution was uniform in these composites. Grain sizes of composites will be much smoother by giving TiB. The Grain sizes of were enhanced as the particle contents increased. The morphology of the composite between the reinforcing particle to the Al356 alloy matrix was to unite and to be dispersed evenly. This article only discusses micro and SEM.]]>
<![CDATA[Effect of Mg and TiB on the Mechanical Properties of A356 Aluminium Alloy Base Materials With Die Casting Process ]]>
<![CDATA[E I Bhiftime]]>
<![CDATA[ Biomedical and Mechanical Engineering Journal (BIOMEJ) Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[Mechanical Engineering Department at Universitas Pembangunan Nasional "Veteran" Jawa Timur ]]>
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DOI: 10.33005/biomej.v2i2.57
<![CDATA[Abstract. The development of research on aluminum base materials is very rapid at this time. Aluminum base material reinforced with Mg and TiB particles by the die casting method is the simplest way. The purpose of this study was to see the effect of wt.% Mg and the addition of TiB on the mechanical properties of Al356MgTiB alloy. AlSi was used as a matrix reinforced by Mg with a percentage variation of (3, 4, 5 wt%) and TiB 2 wt%. The method used is die casting. In the casting process, the material is melted down to a liquid state at a temperature of 800 oC. After that the temperature was lowered to a stirring temperature of 640 oC. Then heated again to a pouring temperature of 760 oC. The density value obtained increased with the addition of Mg variation, namely the variation of Mg 4%wt 2.69 g/cm3. The porosity value obtained decreased, namely the variation of the 5%wt Mg element, namely 5.19%. The hardness value of Al356MgTiB alloy increases with the addition of Mg. The highest hardness is achieved at the percentage of Mg 5%wt, which is 65.41 HRB or an increase of 33% from the hardness of the base material. The value of tensile strength increases with the addition of Mg. The highest tensile strength is found in the 4%wt Mg variation, which is 198.4 MPa. The %EL value decreased with the addition of Mg and TiB. The decrease in %EL is accompanied by an increase in the strength of the material. The research was conducted by testing density, hardness testing, and tensile testing.]]>
<![CDATA[Torque Load Analysis on Rear Axle Shaft Material AISI 4340 Normalized ]]>
<![CDATA[F A Nurmansyah]]>;
<![CDATA[L Edahwati]]>;
<![CDATA[W D Lestari]]>;
<![CDATA[R D Issafira]]>;
<![CDATA[W Saputro]]>;
<![CDATA[A K Faizin]]>;
<![CDATA[T P Sari]]>;
<![CDATA[N Adyono]]>
<![CDATA[ Biomedical and Mechanical Engineering Journal (BIOMEJ) Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[Mechanical Engineering Department at Universitas Pembangunan Nasional "Veteran" Jawa Timur ]]>
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DOI: 10.33005/biomej.v2i2.59
<![CDATA[Abstract. The choice of rear axle shaft material on the car needs to be considered because this component affects the performance of the car. This component material is also very necessary, the selection of components used is AISI 4340 Steel Normalized, where this material contains Nickel, Chrom, and Molybden with the characteristics of the AISI 4340 Steel Normalized material is a steel material that has high hardness properties, can accept great pressure and force and not easy to deform. The method used is the Finite Element Method (FEM), this method uses a meshing size of 5 mm, to get more accurate results. Simulation results from rear axle shaft AISI 4340 Steel Normalized to determine the value of stress, strain, and safety factor from load variations of 1200 Nm, 1400 Nm, 1600 Nm, and 2000. The highest maximum stress value occurs at 2000 Nm torque load of 5.586 x 108 Nm. The highest maximum strain value occurs at a torque load of 2000 Nm of 5.034 x 103. The safest value of the safety factor is 2.1 at a torque load of 1200 Nm. The torque load value is directly proportional to the stress and strain values obtained, because the greater the torque load value, the greater the stress and strain values obtained.]]>
<![CDATA[Static Loading Analysis on Universal Joint Using Solidworks ]]>
<![CDATA[M Ikhsan]]>;
<![CDATA[L Edahwati]]>;
<![CDATA[R D Issafira]]>;
<![CDATA[A K Faizin]]>;
<![CDATA[W Saputro]]>;
<![CDATA[W D Lestari]]>;
<![CDATA[T P Sari]]>;
<![CDATA[N Adyono]]>
<![CDATA[ Biomedical and Mechanical Engineering Journal (BIOMEJ) Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[Mechanical Engineering Department at Universitas Pembangunan Nasional "Veteran" Jawa Timur ]]>
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DOI: 10.33005/biomej.v2i2.60
<![CDATA[Abstract. Community service with the topic of introduction to analysis and training CAD/CAM for SMK teachers has become a necessity. This static loading analysis introduction training aims to analyze parts universal joints to the tensile test as an effort to accelerate the improvement of vocational teachers' abilities. In the introduction to analysis training this time using software CAD/CAM ie solidworks which is one software CAD/ CAM which is widely used in the manufacturing industry in terms of designing or analyzing a product design. The training method is carried out by first installing solidworks software to computer equipment, secondly making parts from universal joints, third assembling from parts that have been made, fourth doing drawing 2D from part and assembly that have been made, the five static loading analyzes of universal joint parts with tensile test. Election software this is based on its advantages such as easy to learn, widely used in industry, and can be used as a reference for studying software another. As a result of this training, it is hoped that the teachers of SMK Turen Malang will be able to make part3D models and 2D working drawings.]]>
<![CDATA[Artificial Neural Network Application for Sepsis Prediction: A Preliminary Study ]]>
<![CDATA[A K Faizin]]>;
<![CDATA[R D Issafira]]>;
<![CDATA[W Saputro]]>;
<![CDATA[L Edahwati]]>;
<![CDATA[W D Lestari]]>;
<![CDATA[T P Sari]]>;
<![CDATA[N Adyono]]>
<![CDATA[ Biomedical and Mechanical Engineering Journal (BIOMEJ) Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[Mechanical Engineering Department at Universitas Pembangunan Nasional "Veteran" Jawa Timur ]]>
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DOI: 10.33005/biomej.v2i2.61
<![CDATA[Abstract. Sepsis is one of the leading causes of mortality in hospitalized patients. It is very difficult to find the symptoms of sepsis because of their similarity to the symptoms of other diseases. This paper aims to deliver an artificial neural network implementation in medical decisions support. This study tries to predict sepsis and healthy patient based on vital signs such as heart rate, systolic blood pressure, and diastolic blood pressure taken from the MIMIC-III clinical database. There were several extraction processes applied to vital sign signals such as using the statistical tools, discrete wavelet transforms, and Hilbert-Huang Transform. The ANN algorithm predicts the sepsis patient with 96.7% of accuracy. However, based on the medical requirement for artificial intelligent implementation, this result does not satisfy the requirement as the false positive error is 2.9%.]]>
<![CDATA[Microstructure on the TiB and Mg Reinforced of Al356 Alloy with Die Casting Process ]]>
<![CDATA[EI Bhiftime]]>
<![CDATA[ BIOMEJ Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[UPN 'Veteran" Jawa Timur ]]>
Show Abstract
|
Download Original
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Original Source
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Check in Google Scholar
<![CDATA[Metal matrix composites (MMC) reinforced with titanium boron and magnesium offer high mechanical and good physical. Al356 alloy reinforced with TiB and Mg particles in die casting prosses was the most simple way. The purpose of the study was to investigate the difference of the microstructure to Al356 alloy reinforced of TiB and Mg particles, as well as the changing effects on the extra level of TiB and Mg. The base materials used were Al356 alloy as the matrix and TiB and Mg as the reinforcement (3, 4, 5 wt%). The casting prosses used in the study was the die casting. The microstructure of the composites fabricated by different parameters indicated that semi-solid method resulted improved in homogeneous particle distribution 3–5 wt% TiB and Mg composites were fabricated by the novel processing. The particle distribution was uniform in these composites. Grain sizes of composites will be much smoother by giving TiB. The Grain sizes of were enhanced as the particle contents increased. The morphology of the composite between the reinforcing particle to the Al356 alloy matrix was to unite and to be dispersed evenly. This article only discusses micro and SEM.]]>
<![CDATA[Planning Services for Sludge Treatment Installation (IPLT) Nganjuk Regency ]]>
<![CDATA[E Rosydah]]>;
<![CDATA[E N Hidayah]]>
<![CDATA[ BIOMEJ Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[UPN 'Veteran" Jawa Timur ]]>
Show Abstract
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Download Original
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<![CDATA[Nganjuk Regency is one of the regencies in East Java Province with a fairly high population of 1,103,491 people. The high population affects the rate of wastewater production in a Regency/City. The purpose of this study is to plan the installation of a sewage treatment plant (IPLT) and the services that will be applied to the IPLT. This research method uses data analysis methods. Based on the septic tank users and the service distance of the 100% serviced area selected for the priority zone served by 5 sub-districts, namely Nganjuk District, Rejoso District, Sukomoro District, Loceret District, Bagor District, because these districts are the closest to the planning area. The toilet suction pattern that will be applied is the direct transportation pattern and the collective transportation pattern]]>
<![CDATA[A Brief Review on Recent Advancement of Anode Materials for Biogas-Fed Solid Oxide Fuel Cells (SOFCs) ]]>
<![CDATA[S. Islamiyah]]>;
<![CDATA[A. Nandhini]]>
<![CDATA[ BIOMEJ Vol. 2 No. 2 (2022): BIOMEJ ]]>
Publisher : <![CDATA[UPN 'Veteran" Jawa Timur ]]>
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<![CDATA[Solid Oxide Fuel Cell (SOFC) is a fuel cell technology run at high temperatures which enable internal reforming of fuel and production of high-quality by-product heat for cogeneration. The most distinguished advantage of SOFC is its excellent fuel flexibility. Biogas is one of the alternative fuels to preferable pure hydrogen. One of the important issues in operating SOFC with biogas is the formation of carbon on anode surface. Therefore, the development of coking-resistant anode materials is essential to create a high performance and stable biogas-fed SOFC. This review provides a brief survey on the recent progress of anode materials, mainly Ni-based cermet, and the modifications to prevent carbon deposition. The current situation of biogas production and utilization in Indonesia is also briefly reviewed.]]>
