IPTEK Journal of Proceedings Series
IPTEK Journal of Proceedings Series publishes is a journal that contains research work presented in conferences organized by Institut Teknologi Sepuluh Nopember. ISSN: 2354-6026. The First publication in 2013 year from all of full paper in International Conference on Aplied Technology, Science, and Art (APTECS). It publish one time a year after the held of APTECS event.
Articles
1,079 Documents
<![CDATA[Reverse logistic location problem for electrical and electronics equipment waste treatment facility ]]>
<![CDATA[Fatma, E]]>
<![CDATA[ IPTEK Journal of Proceedings Series No 3 (2018): International Conference on Industrial and System Engineering (IConISE) 2017 ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2018i3.3701
<![CDATA[Reverse logistics plays a significant role in reducing electrical and electronics equipment waste (e-waste) problem by returning some valuable or hazardous parts back to the distributor or producers. This paper implemented reverse logistics facility’s location problem to find the optimum location of e-waste treatment facilities. E-waste treatment facility location was determined in two phase. First, facility location model is developed to find the optimum location for e-waste treatment facility from the e-waste collecting points using K-means clustering and centre of gravity algorithm. Once the treatment facility location is decided, e-waste collection vehicle routing model is developed using saving matrix algorithm to minimize collecting distance. This paper was developed in three scenarios, based on e-waste collection problem in Jakarta. It is found that multi e-waste treatment facilities, gave the shortest collection distance compared to single and restricted area facility scenarios.]]>
<![CDATA[Comparison Study of Various Type Artificial Reef Performance in Reducing Wave Height ]]>
<![CDATA[Rifqi Fauzi, Muhammad Aldhiansyah]]>;
<![CDATA[Armono, Haryo Dwito]]>;
<![CDATA[Mustain, Mahmud]]>;
<![CDATA[Amalia, Aniendhita Rizki]]>
<![CDATA[ IPTEK Journal of Proceedings Series No 6 (2017): The 3rd International Conference on Civil Engineering Research (ICCER) 2017 ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2017i6.3284
<![CDATA[Most fishermen used inappropriate methods to sustain their livelihoods, severely destroying fishery resources. Furthermore, a lack of environmental protection and pollution prevention lead the best coastal and estuarial nurseries to become unhabitable. Several studies have pointed out that fish stocks in coastal waters could be no longer sufficient for the increasing fishing activity and consumption requests. Based on the 1950–2006 global statistics conducted by Food and Agriculture Organization of the United Nations (FAO) (2012).Artificial reefs are most often constructed to increase the efficiency of fishery resource harvest (Seaman and Sprague, 1991). In engineering practice, the stability of artificial reefs is an important issue in preventing the failure of reef units due to wave and current actions. Some of the artificial reefs have also been designed to serve as low-crested coastal protection structures (e.g. Dalrymple et al., 1991a; Ranasinghe et al., 2006). One particular advantage of these artificial reefs over the conventional submerged breakwaters is the fact that they are multi-purpose units and can be achieved with more cost-effective materials and environmentally friendly construction processes (Harris, 1995; Buccino et al., 2013). Artificial reef model keep looking for modification to get compatibility and efiiciency as submerged breakwater because the feasibility of artificial reefs for coastal protection is typically evaluated based on the percentage of surface wave height reductionWave transformation analysis in artificial reef do with consideration from some non dimensional variables. Wave transmission process defined with ratio betwwen transmission wave height and incoming wave heightThis research compares 5 types of Artificial reef in numeric model. There are hexareef, bottle reef, star reef, seadome and cube reef. They are tested with Indonesian wave steepness which has value between 0,0013 and 0,012.]]>
<![CDATA[Construction the Statistics Distributions for Characterizing the Transfer Factors of Metals from Soil to Plant (TFsp) Using Bayesian Method ]]>
<![CDATA[Oktaviana, Pratnya Paramitha]]>;
<![CDATA[Etienne, Marie-Pierre]]>
<![CDATA[ IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013 ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2014i1.265
<![CDATA[Plants have the faculty of levy the metals in the soil. The consumption of this plants can represent in some situations a health risk to be assessed. The transfer of contaminants from soil to food crops is a major route connecting the soil contamination to human exposure. The Transfer Factors Soil-Plant (TFsp) (the ratio between the concentration of contaminants in plants and the concentration of contaminants in the soil) is a value commonly used in the assessment of exposure and health risks. This research use the BAPPET database (database contents the informations of elements metal traces plants and vegetables). The goal of this research is for define the variable that influent the variability of TFsp and for characterizing their effects from their posteriors distributions using bayesian methods, Metropolis-Hastings. There are 3 metals (Cd, As and Pb), 4 plant types (leaf, fruit, root and tuber) and 2 analysis (using 4 plant types and 3 plant types, without tuber) with 4 models of analysis of varians (ANOVA, using normal and lognormal distribution for likelihood) that used in this research. The results of analysis for 4 plant types is chosing the model II with lognormal distribution for likelihood (yi ~ LN(µi, σi2)) for the best model and for 3 plant types is chosing the model IV with lognormal distribution for likelihood (yi ~ LN(µi, σ2), µi = µ + αi + Bj + δk, Bj ~ N(0, σB2)) for the best model. The contains of metal Cd, As and Pb in leaf has the highest risk for the health because that has the biggest posterior mean of TFsp.]]>
<![CDATA[Experimental Study Of R141b Flow Boiling Compact Evaporator in Organic Rankine Cycle for Waste Heat Recovery ]]>
<![CDATA[Nurdiansyah, Candra]]>;
<![CDATA[Prabowo, Prabowo]]>;
<![CDATA[Abdullah, Muhammad Yunus]]>
<![CDATA[ IPTEK Journal of Proceedings Series No 1 (2019): 4th International Seminar on Science and Technology 2018 (ISST 2018) ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2019i1.5117
<![CDATA[Indonesia is one of country that has plenty geothermal energy resource. Because of the significant potential, the energy can be used as a power plant. Geothermal resource with low pressure and temperature can be used in Organic Rankine Cycle (ORC) technology. ORC is one of power plant system which can use waste energy by using organic working fluid or refrigerant that is able to evaporate at low pressures and temperatures . In this research, experimental of evaporator by using the organic Rankine cycle system from the gas stove heat source.The experimental study was conducted by experimenting of evaporator Compact Heat Exchanger continuous fin type. For know typical of heat transfer, evaluation proses make three region, subcooled, evaporation and superhaet. The prediction of the Two phase change flow pattern was observed in detail against the effect of heat flux and mass velocity variations by Chen and Shah Correlation. The phase change process occurs under pressure conditions P = 5 bar where the saturation temperature is 86.9 oCFrom the calculation and analysis, the maximum rate of heat transfer is 17.345 kW at 468 kg/m2s and heat flux 83 kW/m2. The evaporation process occurs at temperatures above 95 oC. Internal tube heat transfer coefficient of two-phase convection with consideration of the highest nucleate boiling and convective boiling of the evaporator was 2443.69 W/m2K in 234 kg/m2s mass flux refrigerant. Heat Flux with 1.94 kW/m2 heaten (Chen's Methode) and from the result of analysis proposed by Shah's Methode was obtained 1624.90 W/m2K in 468 kg/m2s mass flux refrigerant and 1.94 kW/m2 heat flux. the value of convection coefficient varies to the value of heat flux, mass flux and quality vapor]]>
<![CDATA[Prospek Pengembangan Pengelolaan Infrastruktur Pelabuhan Non-Komersil di Kawasan Timur Indonesia ]]>
<![CDATA[Ramlia, M. Isran]]>;
<![CDATA[Patia, Sakka]]>;
<![CDATA[Asdar, Muh.]]>;
<![CDATA[Ragab, Paulus]]>;
<![CDATA[Wunas, Shirly]]>;
<![CDATA[Aksa, Kamran]]>
<![CDATA[ IPTEK Journal of Proceedings Series No 5 (2017): Simposium I Jaringan Perguruan Tinggi untuk Pembangunan Infrastruktur Indonesia (2016) ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2017i5.3118
<![CDATA[Pengembangan pengelolaan pelabuhan non-komersil khususnya di Kawasan Timur Indonesia (KTI) merupakan salah satu hal penting dalam mendorong percepatan pengembangan infrastruktur pelabuhan di wilayah tersebut. Dalam konteks ini, studi ini bertujuan memetakan potensi-potensi pelabuhan non-komersil di Kawasan Timur Indonesia dalam rangka melihat sejauhmana prospek pengelolaan infrastruktur pelabuhan-pelabuhan tersebut dapat dikembangkan. Pendekatan Analisis Multi-Kriteria (AMK) digunakan pada studi ini, untuk menganalisis berbagai aspek fungsi dan pelayanan pelabuhan non-komersil, yang meliputi aspek-aspek: teknis, transportasi, wilayah, ekonomi, dan legalitas. Hasil analisis memperlihatkan bahwa terdapat keragaman keunggulan dan kekurangan antar pelabuhan untuk dapat dikembangkan pengelolaannya. Aspek ekonomi mendominasi keterbatasan pelabuhan-pelabuhan non-komersil di Kawasan Timur Indonesi untuk dikembangkan pengelolaannya secara komersil, disamping aspek legalitas baik secara struktur organisasi pengelolaan maupun legalitas lahan pengembangan infrastruktur. Prioritas pengembangan pelabuhan UPP (Unit Pelayanan Pelabuhan) di KTI menjadi pelabuhan Badan Layanan Umum (BLU) berdasarkan penilaian ahli (kepakaran), ketersediaan fasilitas pelabuhan dan sarana penunjang lainnya serta aspek administrasi pelabuhan terdiri atas 3 tingkatan prioritas. Pelabuhan-pelabuhan UPP di Pulau Kalimantan menjadi Pelabuhan UPP yang dominan mempunyai prospek untuk dikembangkan menjadi Pelabuhan BLU. Diperlukan studi lebih lanjut terhadap pelabuhan sejenis di kawasan lainnya di Indonesia untuk menemukenali berbagai varian model pengembangan pengelolaan infrastruktur pelabuhan non-komersil di Indonesia.]]>
<![CDATA[Analysis of Digital Terrain Model from LiDAR Data Using Hydro Enforcement Method on Aquatic Object in SEZ Tanjung Lesung ]]>
<![CDATA[Febriana, Elisya]]>;
<![CDATA[Cahyono, Agung Budi]]>
<![CDATA[ IPTEK Journal of Proceedings Series No 2 (2019): The 3rd Geomatics International Conference (GEOICON) 2018 ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2019i2.5296
<![CDATA[LiDAR (Light Detection and Ranging) is an active remote sensing system using a laser beam that can generate information about ground topographic characteristics in a horizontal and vertical position. In Indonesia it is still rare to use green waves in LiDAR data retrieval, so the infrared wave generates a value the point cloud elevation is refracted because it can not penetrate the depth of the water. In making aquatic objects from LiDAR acquisition results required method to create a surface water is better. One method of making DTM in aquatic area on data processing LiDAR is hydro enforcement. DTM processing using hydro enforcement method starting from draping terrain of aquatic bodies, eliminating mass points in waters up breakline formation for aquatic bodies according to draping results that have intervals between points cloud in the water body is 0.5 meters. Then do the process of macro hydro enforcement on LiDAR processing software. The results of this study indicate the quality of DTM with hydro enforcement method provides smooth and good visualization for planning infrastructure in irrigation works, water gates and providing good detail. However, this hydro enforcement method still lacks in terms of accuracy, so that the elevation of the aquatic bodies can not be used as a benchmark prior to the sampling field data retrieval]]>
<![CDATA[Microstructure and Adhesion Properties Post-Annealed Metallic Coating of Fecrbmnsi on Tube and Internal Structure Coal-Fired Boiler ]]>
<![CDATA[Agung Purniawan]]>;
<![CDATA[Hengki Irawan]]>;
<![CDATA[Sigit Tri Wicaksono]]>
<![CDATA[ IPTEK Journal of Proceedings Series No 1 (2017): The 2nd International Conference on Civil Engineering Research (ICCER) 2016 ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2017i1.2200
<![CDATA[Iron-chrome based metallic coating is generally used to increase the life-time tube and internal structure of coal-fired boiler. The most common method used is thermal spray coating. The advantages of this method are simple in application, repair, and low cost. The post-heat treatment coating on metallic coating applied by the thermal spray method can affect to adhesion properties, the number of porosity and microstructure of coating material. The objective of this study is to analyze the influence of post-annealing on the metallic coating FeCrBMnSi applied by Twin Wire Arc-Spraying (TWAS) method on microstructure and adhesion properties which is applied on tube and internal structure of coal-fired boiler. Post-annealing was performed after coating application in vacuum furnace with variety of temperature at 500oC, 600oC and 700o and holding time about 3 hours. Scanning Electron Microscopy (SEM) and Energy Dispersive X-Ray Spectroscopy (EDS) were used to analyze the morphology of microstructure, the uniformity of the deposit layer, and the percentage of porosity. X- Ray Diffraction (XRD) was used to determine phase formation and composition phase. Then, Pull Off Test was performed for adhesion test that is referred to ASTM D4541. The results shows that increasing post-annealed temperature cause microstructure of coating more crystalline, percentage of porosity decreased from 3% As-sprayed to 1,4% at 700oC post-annealing temperature and it has an effect on the adhesion properties of coating which increase up to 25%.]]>
<![CDATA[Analisis Perbandingan antar Moda Distribusi Sapi : Studi Kasus Nusa Tenggara Timur - Jakarta ]]>
<![CDATA[Tri Achmadi]]>;
<![CDATA[Silvia Dewi Kumalasari]]>;
<![CDATA[Hasan Iqbal Nur]]>;
<![CDATA[Pratiwi Wuryaningrum]]>
<![CDATA[ IPTEK Journal of Proceedings Series No 2 (2018): The 2nd Conference on Innovation and Industrial Applications (CINIA 2016) ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2018i1.3352
<![CDATA[Daging sapi merupakan komoditi utama daging di Indonesia, salah satu daerah dengan konsumsi daging sapi tertinggi yakni DKI Jakarta. Sehingga dibutuhkan pasokan sapi dari Salah satu daerah pemasok sapi terbesar di Indonesia yakni NTT sebagai sentra produksi untuk pemenuhan permintaan daging sapi DKI Jakarta. Namun kondisi pengiriman sapi dari NTT – Jakarta tidak sesuai dengan animal welfare, sehingga dioperasikan kapal ternak KM camara Nusantara 1 dengan kapasitas 500 sapi, dengan rute NTT – Jakarta dengan tujuan untuk menurunkan harga daging sapi di Jakarta. Dalam pengoperasiannya kapal tersebut pada pengiriman kedua dan ketiga kapal tidak bermuatan dikarenakan pemilik sapi lebih memilih menggunakan pengiriman cara lama. Sehingga perlu dilakukan analisis perbandingan distribusi sapi NTT – Jakarta pengiriman cara lama dengan moda kapal ternak. Tujuan dari penelitian ini untuk mengetahui moda terpilih pengiriman sapi dari NTT – Jakarta berdasarkan 3 aspek yakni unit biaya pengiriman, waktu pengiriman dari peternakan hingga rumah pemotongan hewan, dan, produksi daging sapi. Serta dari moda terpilih tersebut didapatkan pola operasi yang optimum untuk distribusi sapi NTT – Jakarta. Metode yang digunakan dalam penelitian ini menggunakan metode komparasi dan optimasi dengan memperhatikan variabel-variabel yang berpengaruh. Dari penelitian ini didapatkan hasil perbandingan yang paling menguntungkan untuk distribusi sapi NTT – Jakarta untuk pelabuhan asal Tenau Kupang yakni skenario 1 dengan hasil perbandingan total 9 miliar rupiah dan untuk skenario 2 dengan pelabuhan asal Waingapu, hasil perbandingan total 8,9 miliar rupiah, dengan moda terpilih kapal ternak, pola operasi port to port, rute Waingapu – Jakarta]]>
<![CDATA[Power of Regenerative Braking with Kinetic Energy Recovery System ]]>
<![CDATA[Ramadhan, Mochamad Edoward]]>;
<![CDATA[Guntur, Harus Laksana]]>
<![CDATA[ IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013 ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2014i1.221
<![CDATA[Braking and acceleration is often carried out by the driver on the highway with heavy traffic intensity. This leads to a lack of effective implementation of the Kinetic Energy Recovery System (KERS) on urban vehicles, because of the relatively short time braking and discontinued. Research results show that the braking process resulted in a 15-20% loss of energy of the fuel energy combustion engine. To restore the energy loss due to braking, kinetic energy recovery methods developed in excess of a vehicle are often called Kinetic Energy Recovery System (KERS). In this research, experimental study of the influence of variations in speed changes just before braking on the characteristics of KERS. To realize this experimental study, conducted engineering process simple mechanism incorporating KERS braking system comprising, 1.82kg mass flywheel and generator 12volt voltage, 800watt maximum power. Experiment begins with analyzing the flywheel kinetic energy generated by setting VSD (Variable Speed Drive) 10hz, 15hz, 20hz and 25hz, then at each end of the round setting made braking. The next experiment is done by finding the speed variation characteristics of KERS just before braking, braking then performed to determine the change of electrical energy that can be raised KERS. This paper result efficiency power of regenerative braking with kinetic energy recovery system in laboratory scale. Based on observations made on 50Ah 12 volt battery charging, electrical mechanical KERS apparently capable of producing an average 14.07volt, the average current 5.078ampere and average power electrical energy 71.3watt. The result show charging capacity is still small round duration at 3015.5rpm 6.88second produce 95mAh and efficiency of KERS at 1197rpm 119%, 1816rpm 75%, 2229rpm 60% and 2766rpm 53%.]]>
<![CDATA[Landslide and Mudflow Behavior Case Study in Indonesia: Rheology Approach ]]>
<![CDATA[Widjaja, Budijanto]]>
<![CDATA[ IPTEK Journal of Proceedings Series No 3 (2019): International Conference on Engineering Technology Advance Science and Industrial Appli ]]>
Publisher : <![CDATA[Institut Teknologi Sepuluh Nopember ]]>
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DOI: 10.12962/j23546026.y2019i3.5849
<![CDATA[Landslides and mudflows, both of which are triggered by rainwater and earthquakes, frequently occur in Indonesia. However, a conceptual and analytical understanding of these phenomena has yet to be achieved. The conventional calculation method (i.e., the limit equilibrium method) has not been able to predict the affected area after a landslide. Therefore, a rheological approach, the Bingham model (yield stress and viscosity), was applied in this research. Twelve cases of soil movement were assessed. High-plasticity silt is a type of fine soil with the potential to cause landslides and mudflows. This study comprises field data collection, soil sampling, laboratory testing, numerical modeling with a specific software, and result analyses. This study contributes explanation for the movement mechanism based on soil type, source area position to deposition area. New test laboratory innovation (flow box test) was introduced, and landslide and mudflow classification based on rheology approach were proposed. Examples of soil movement mitigation strategies are also presented to provide an overview of protective efforts against landslides and mudflows.]]>
