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IPTEK Journal of Proceedings Series
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 23546026     EISSN : -     DOI : -
Core Subject : Science,
Computer Science & IT
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.
Arjuna Subject : -
Articles 1,079 Documents
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Intact Stability Analysis of Crew Boat with Variation of Deadrise Angle Putranto, Teguh; Suastika, Ketut; Gunanta, Julhari
IPTEK Journal of Proceedings Series No 2 (2017): The 2nd Internasional Seminar on Science and Technology (ISST) 2016
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i2.2309

Abstract

Abstract¾ As a supporter of offshore supply logistics operations, crew boat moving in high speed needs the hull design that is able to reduce the resistance but the stability is still good. The innovation of hull design carried out have to consider not only in aspect of safety and comfort, but also in aspect of cargo hold capacity. Therefore, this research will analyze the change of deadrise angle to the stability, cargo hold capacity, and resistance. The shift of weight and buoyancy point caused by the change of deadrise angle is calculated by block method. The calculation of cargo hold is carried out by integration of CSA curve. The calculation of ship stability is carried out by using the Krylov I method. If the stability varied by deadrise angle does still fulfill, the next analysis is the resistance. The resistance calculation uses Computational Fluid Dynamics (CFD). The smallest resistance is occurred with deadrise angle 16 degrees which the magnitude is 144.741 kN in speed 24 knots. The output obtained from this research is a recommendation of hull design revealing that crew boat with deadrise angle 6 degrees have an enough cargo hold to take up payload and the stability still fulfills the IMO Regulation.
Studi Ruang Publik Apartemen Berbasis Behaviour Setting Wahyudie, Prasetyo
IPTEK Journal of Proceedings Series No 2 (2018): The 2nd Conference on Innovation and Industrial Applications (CINIA 2016)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i1.3427

Abstract

Saat ini, pertumbuhan penduduk yang semakin meningkat di perkotaan dan keterbatasan lahan mengakibatkan perkembangan pemukiman banyak berubah dari landed houses menjadi vertical houses (Apartemen, Rumah Susun, Kondominium dll). Pada perubahan ini di tenggarai akan terjadi pula perubahan perilaku, sosioal budaya dan lainnya. Perubahan ini akan menyebabkan ketidak nyamanan dalam menghuni hunian vertikal tersebut, terutama dalam perilakunya. Perubahan ini perlu diteliti untuk mengurangi shock culture pada apartemen menengah kebawah, khususnya guna didapatkan cara adaptasi yang optimal dari perubahan perilaku dan budaya penghuni apartemen.Salah satu cara untuk meneliti perubahan ini adalah dengan menggunakan metoda behaviour setting dalam menstudi perilaku penghuni apartemen. Ruang publik dipilih karena merupakan ruang komunal dimana para penghuni apartemen berinteraksi satu sama lainnya. Hasil penelitian menunjukkan bahwa perilaku di dalam ruang public, khususnya koridor, lobby, play ground menunjukkan bahwa ruang tersebut dirasakan sebagai ruang yang mengarah sebagai ruang perpanjangan dari hunian mereka. Ruang publik; kolam renang, minimart, apotik dan lainnya dimaknai sebagai fasilitas biasa selayaknya fasilitas pada daerah perumahan.
Study on Rust Characterization and Prediction of Atmospheric Corrosion Rates for Structural Steels in Yangon (Myanmar) Khaing, Thinzar; Kyi Win, Yu Yu; Kyaw, Nyan Myint
IPTEK Journal of Proceedings Series No 6 (2017): The 3rd International Conference on Civil Engineering Research (ICCER) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i6.3246

Abstract

According to Fontana, “Corrosion is defined as the deterioration of a material because of reaction with its environment”. The present study is performed to get the behaviour of rust characterization and to predict long term atmospheric corrosion rates of structural steels in Yangon, Myanmar. Three types of structural steel (Type A, Type B and Type C) samples which are commonly used in Myanmar are exposed outdoors according to BS EN ISO 8565. They are removed one month periods, and their mass losses are determined according to ISO 8407 in Yangon Technological University. At the same time, environmental parameters of the test site are monitored. Rust characterization of structural steels is determined by Scanning Electron Microscopy (SEM) results in University Research Centre (Yangon University, Myanmar). From SEM results, Type A and Type B steels have nearly the same image controlled by β-FeOOH which can increase long term corrosion, whereas Type C steel has controlled by γ-FeOOH. A prediction model is developed using SPSS software to understand the main factors which cause the atmospheric corrosion, and it is found that the atmospheric corrosion in Yangon depends mainly on the time of wetness (TOW
Analytical study of reduced beam sections under monotonic load Casita, Cintantya Budi; Kamandang, Zetta Rasullia
IPTEK Journal of Proceedings Series No 6 (2018): International Conference on Advanced Engineering and Technology (ICATECH) 2018
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i6.4630

Abstract

This paper presents the result of three different type of reduced beam sections (RBS): radius cut, straight cut, and tapered cut under monotonic load using finite element analysis. Load is applied monotonically and divided into 9 steps, start from 500 N to 4500 N, which increasing 500 N for each step, continuously. The dimension for the beam is WF 500x200x10x16 is used for those three types of RBS. The results show that radius cut gives better performance than the other two types. Stress distribution, load-stress curve, and load-displacement curve of those three types of RBS are compared as the result, then lead to the conclusion that the most effective connection amongst those three types of RBS above is RBS with Radius Cut.
27 Training Need Analysis for Contract Employees (Study Case at PT. SCI Laboratory Surabaya) Putri, Agustin Welliana Rahmawati; Noer, Bustanul Arifin
IPTEK Journal of Proceedings Series No 5 (2019): The 1st International Conference on Business and Management of Technology (IConBMT)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2019i5.6191

Abstract

PT. Sucofindo (SCI) is a company engaged in the fields of inspection, supervision, testing and assessment. There are a lot of services offered by PT. SCI, the role of human resources needs to be put in concern given the increasingly widespread challenges of competence. The company's efforts in that employees have the ability and good performance, namely by conducting training for employee self-development. To be able to understand the importance of training for contract employees of PT. SCI Laboratory Surabaya, this study used the theory of Training Need Analysis (TNA), an analysis of training needs for contract employees. The research sample was taken in a survey of 97 employees of PT. SCI Surabaya laboratory. With the method of Focus Group Discussion (FGD) and Training need assessment-tools (TNA-T) to analyze the training needs for contract employees at PT. SCI Laboratory Surabaya. The results of the study using the TNA-T method were PT. SCI Surabaya Laboratory’s contract employees still need training. The design of TNA for 2019 is the training of Chemical AK3 as many as 34 people for Office Operations using the off job training method, 27 people need method validation training, and 15 people need training in analysis according to the santart method. TNA for 33 field operations employees needed method validation training and 17 people needed draft survey operation training. Training other than AK3 Chemistry is recommended to use the on job training method
Park and ride city terminal, Antapani Bandung Dewi, Inggrid Julianti; Surahman, Usep
IPTEK Journal of Proceedings Series No 3 (2017): 8th International Conference on Architecture Research and Design 2016
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i3.2457

Abstract

Bandung as a growing city has transportation problem as other big cities have in Indonesia. About 3.55 million person/day (7.2% move in the morning peak hour) is moved within the city to make more crowded. Thus, a good urban planning is necessary.  An urban planning cannot be separated from mass transportation system. City terminal is one of transportation infrastructures that serves mass transport on a local/city scale. City terminal is built by nodes of people activities such as schools, markets, residential areas, offices, etc. The principle of planning on land transport network system is to connect the system of city activities optimally according to the Masterplan of Transportation network. The purpose of this paper is to design a city terminal that can accommodate people movements and activities as well as can decrease the rate of personal vehicles uses by persuading people to use public transportation. City Terminal which was developed in the first nodes of people movements aims to break and cope up the density with functional approaches such as park and ride system. This paper explains how a city terminal could decrease a number of vehicle’s density by using park and ride concept in a residential area where is a start and end point of the system transport network. Park & ride is the type of terminal where the passengers’ personal vehicles can park and continue their journey by using public transportation instead. The paper ends by designing a park and ride city terminal located in Antapani, Bandung.
Modelling of Tropospheric Ozone Concentration in Urban Environment Wasi’ah, Nadiyatur Rahmatikal; Driejana, Driejana
IPTEK Journal of Proceedings Series No 6 (2017): The 3rd International Conference on Civil Engineering Research (ICCER) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i6.3279

Abstract

Tropospheric ozone is harmful to human health and plants. It is resulted from photochemical processes involving NOx and VOCs from reactions of motor vehicle emissions and solar radiation in polluted urban environment. Historical data in Jakarta indicated that ozone concentrations often exceeded ambient standard threshold.  To minimize its impact to human health it is important to predict its concentration. This paper reports the use of multivariate statistical method to predict ozone concentration, using precursor concentration and meteorological parameters.  CH4, CO, NMHC, NO, NO2, THCdata concentration, wind direction and speed, temperature, solar radiation and relative humidity during 2011 - 2012 were used to build the model. Multiple linear regressions were applied to predict ozone concentration at Thamrin Station, Jakarta. These data were used as predictors at time (t) to estimate the ozone concentration at time (t +1). Meteorological conditions were found to strongly affect the concentration of ozone. The strongest relationship was found between ozone and temperature (0.513, p = 0.000). Weaker but significant positive correlations were found for  solar radiation and NO2 (r = 0.242, p= 0.000),. NMHC and NO correlation (r= 0.353, p= 0.000).  Both NO and NMHC are freshly emitted from exhaust gas.  Correlations between humidity, wind speed and direction were negative. Methana, NMHC, were negatively correlated with ozone due to their roles for producing NO2 as the main precursor, while NO was for its scavenging reaction with O3. Based on Adjusted R2 value, all predictors could explain variation in ozone concentration of approximately 46.32%. These findings will be useful as input in urban transportation planning and management in cities with tropical climate like Indonesia, as all precursors are emitted from vehicle combustion.
Numerical Study of Characteristics of 3D Flow in Square Duct 90° Elbow with Diamond Bodied Disturbance Fernandes, Yogi Eka; Sutardi, Sutardi; Purnama, Randi
IPTEK Journal of Proceedings Series No 1 (2019): 4th International Seminar on Science and Technology 2018 (ISST 2018)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2019i1.5112

Abstract

The use of elbow in the fluid mechanics system produces a larger pressure drop. The purpose of this research is to know the flow characteristic through square channel with elbow 90. The diamond-shaped body disturbance is placed at 10° inside the elbow inlet. This research was conducted in 3D simulation with standard k-3 turbulence model. The cross-sectional area uses a square with a side size of 125 mm, then the hydraulic diameter (Dh) is 125 mm as well. The elbow curvature ratio (R / D) is set to 3. A body disorder with diagonal (l / D) ratio at 0.064, 0.08 and 0.1 is placed at 10° in the elbow inlet. The results in this study indicate that body disorders with diamond shape can delay the separation of flow and increase the intensity of turbulence flow. Finally, the results also show that the pressure drop is reduced
Studi Potensi Tampungan Air Sebagai Sumber Air Baku Kota Surabaya Lasminto, Umboro
IPTEK Journal of Proceedings Series No 5 (2017): Simposium I Jaringan Perguruan Tinggi untuk Pembangunan Infrastruktur Indonesia (2016)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i5.3113

Abstract

Makalah ini menyajikan hasil studi tentang potensi (kuantitas) dari tampungan-tampungan air yang ada di Kota Surabaya  untuk digunakan sebagai sumber air baku. Tujuan dari studi ini untuk mengidentifikasi kebutuhan air dan  menghitung potensi tampungan air di wilayah Kota Surabaya. Studi ini dilakukan dengan menghitung keseimbangan air  pada tampungan-tampungan tersebut. Volume tampungan, inflow dari curah hujan dan outflow berupa evaporasi dan pengambilan air digunakan untuk menghitung keseimbangan air. Hasil studi menunjukkan bahwa  tampungan air berupa wakduk/boesem yaitu boesem Morokrembangan memiliki potensi untuk pemanfaatan air dengan debit sebesar 0.2 m3/dt, sedangkan Boesem Kedurus memiliki potensi air sebesar 0.1 m3/dt. Potensi tampungan air Kali Wonokromo (long storage) yang dapat dimanfaatkan sebagai air baku pada musim kemarau hanya 0.1 m3/dt. Sedangkan tampungan air  (long storage) di hulu Dam Gubeng (Kayun) di Kali Mas lebih besar dari Kali Wonokromo dan bisa mencukupi untuk pemanfaatan sebesar 0.5 m3/detik. Tanah Tanah Bekas Kas Desa yang dimiliki Pemerintah Kota Surabaya tersebar di wilayah Kota Surabaya terutama di Surabaya bagian Barat dan bagian timur masing-masing memiliki luas area tidak terlalu besar sehingga bila digunakan sebagai tampungan maka kapasitas tampungnya kecil. Potensi air tanah tawar di Kota Surabaya sangat kecil yaitu hanya sekitar  0.03 m3/dt.
Study of Using Mixture of Bintaro and Coconut Shell Charcoal Powder as Pack Carburizing Media on ST 41 Steel Ridhotullah, Aji; Ashari, Rahmat; Sulistijono, Sulistijono; Andiana, Rocky; Rizky, Yoel
IPTEK Journal of Proceedings Series No 4 (2018): The 3rd International Conference On Materials and Metallurgical Engineering and Technol
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i4.3837

Abstract

Pack carburizing is one method of adding carbon into the steel surface. This method is done to improve the mechanical properties of steel so as to reduce the risk of material failure due to static and dynamic load. It has been done in this research about pack carburizing with mixed bintaro charcoal media with coconut shell on ST 41 steel. Carburizing method is done by heating steel which is given a mixture of charcoal at 900 celsius temperature with variation of holding time (1h, 1.5h, 2h) And variation of the charcoal mix ratio with BaCO3 (90: 10, 85: 15, 80: 20). Conducted testing of microstructure, jominy, and the composition so it is known that the mixture of bintaro charcoal and coconut shell quite effectively used as a media pack carburizing. It can be seen that the hardness value of carbon steel has increased with the highest value of 65 HRC, metallographic test results showed good carburizing coating with the best thickness value of 30.9 µm, in jominy testing showed the low hardness carbon steel ability increased with the highest distance from the specimen quench-ends about ¾ inch and on the compositional test results showed an increase in carbon content in steel more than 200%.

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