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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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A Robust Frequency Control Approach in PV-Diesel Hybrid Power System Heri Suryoatmojo; Adi Kurniawan; Feby Agung Pamuji; Nursalim ST MT; IGP Suta Wijaya; Herbert Innah
IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2014i1.208

Abstract

Hybrid power generation system such as photovoltaic (PV)-diesel is one of the solution to reduce operational cost of the conventional diesel generation system. However, fluctuation of PV power due to uncertainty in weather condition may generate an unstable frequency of system. Further, it may reduce the reliability of the power utility, especially when the penetration of PV power is large. Therefore, a frequency control approach that involving PV with battery supervised by neural network algorithm is proposed to generate a stable system frequency. This method can reduce the frequency deviation without smoothing PV output power. The PV panels can generate maximum power according to the weather condition and frequency deviation. The PV output power and battery output power is controlled by neural network algorithm control. The neural network algorithm control is considering frequency deviation, average insolation and change of insolation as input. The proposed method is compared with similar system but without the existence of battery as energy storage system. The simulation results show that the proposed method can generate small frequency deviation compared with system without battery.
Transformation of gated community in the last three decades in Medan City, Indonesia Dwira Nirfalini Aulia; Beny OY Marpaung
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.y2017i3.2438

Abstract

The growth and development of Gated Community are happening around the world with no exception in Indonesia. The development happened because of rapid urban growth caused by urbanization. The important results from studying the transformation of gated community are the trend and factors that cause the change. The purpose of this research is to predict, prepare and control the growth of formal urban housing in the future. Factors led to the emergence and growing rapidly of a gated community in Southeast Asia is a combination of socio-economic background, culture, and security. Research is conducted by two approaches. Firstly, are the external aspects such as regulation of formal housing, political condition, and real estate market condition. Secondly, are the internal issues such as the concept of settlement planning and the characteristics of the occupants. This study was conducted in three residential development in the city of Medan which represent in the 1980's, 1990's and 2000's, namely Taman Setia Budi Indah, Graha Bumi Asri and Graha Metropolitan. The research’s result shows the factors of changes occur in the privatization of public space, exclusivity and the need for security. The indirect phenomenon of gated community growth is a reflection of a modern city life's critique, because of the safety reduced. If these are not anticipated soon, it will form the structure of fragmented urban space with the privatization of public space legally
Effect of Mixing Time to Homogeneity of Propellant Slurry Luthfia H. Abdillah; Sugeng Winardi; Sumarno Sumarno; Tantular Nurtono
IPTEK Journal of Proceedings Series No 1 (2018): 3rd International Seminar on Science and Technology (ISST) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i1.3515

Abstract

Propellant is a rocket fuel that can be solid or liquid. This research focused on composite solid propellant that was made from solid and liquid materials become a slurry. Homogeneity of the propellant slurry is important to investigate because it can affect specification and performance of the propellant. This research objective was to study effect of mixing time to homogeneity of propellant slurry that was processed by horizontal sigma blade mixer. Density data were used to assess the homogeneity and stated as degree of homogeneity. The result showed that the mixing time affect the density values and it was obtained the most homogeneous slurry was at total mixing time 135 minute
An Optimization Model for Container Capacity in New Sorong-Papua Port Iwan Vanany; Duha Awaluddin Kurniatullah; Edi Jadmiko; Dody Hartanto; zulfiyah Musfiroh
IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2014i1.231

Abstract

The issue of the logistics system is an important issue for the state of Indonesia as an archipelago. Effort to distribute commodities to destinations across the island and attempted export of transport costs become cheaper and faster is a thing to be achieved by all parties including the government of Indonesia. Logistical problems in eastern Indonesia are more complex than the western part of Indonesia. For example, the cost of transport from eastern Indonesia is more expensive than the western part of Indonesia. Therefore, PELINDO II as the company seeks to make the country a new facility in the form of New-port that will replace the port of Sorong Sorong. New-Sorong port will be the largest port in Eastern Indonesia. This paper makes an optimization model with the goal of optimizing shipping container and determines how much capacity should be made to the port of New-Sorong.
Design Proposal for Riverbanks Settlement Resilience through Respect to Site Approach Avinda T. A. Vielandy; FX. Teddy Badai Samodra
IPTEK Journal of Proceedings Series No 1 (2018): 3rd International Seminar on Science and Technology (ISST) 2017
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2018i1.3522

Abstract

In urban environment, the growing number of population increases the high level of housing needs, while publicly provided housing is sufficient. This is the main cause of the emergence of slums. This design research aims to upgrade the riverbank slum into a green settlement with improved housing quality by implementing six principles of Green Architecture into design. Field measurement and interview were conducted to obtain data for simulation using Ecotect Analysis and ANSYS Fluent software. The result highlighted that resilience design conducted through respect to site as on of the green architecture principles has the capability to achieve compatibility between user and environment
Design Development of Food & Beverage Product Packaging for SMES co in Java and West Nusa Tenggara, Economic Corridor. Agus Windharto
IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2014i1.394

Abstract

Population of Food & Beverage SME's Co in Indonesia reached 38 % of total 52 million SMEs, equivalent to 19.76 million SMEs. Indonesian Consumption reached Rp997 trillion in 2012 and its 27 % is in the form of processed foods that packed (Rp296, 19 trillion). Expenditure of industrial packaging products for SME are big, worth 5 % of whole packaging product price that equivalent to Rp13, 46 trillion. SMEs Contribution (21 % worth of 19.76 million) is still relatively considered small competitive to Indonesian market from those of medium and large industrial supply both for local and abroad (79 %). The main issue is Food & Beverage SMEs Competitiveness products relatively low, lack of promotion, weak brand, packaging design not meet good standards and food quality below safety standards. The purpose of this research is to improve the competitiveness of food and beverage SMEs Co through capacity building, took places on some "brands and packaging design center" in Java, Bali and Nusa Tenggara.  Developing branding design and planogram for consumer pack and transport pack packaging through research MP3EI 2012-2014 Participatory design research methods are preceded by informal discussions with SMEs to explore the problems, goals, and defining development strategies. This method expand further more by training programs in cooperate with IPF,  East Java Industry and Trade Ministry of Commerce, Indonesian Ministry of Trade. SME Product Packaging Design Competition between universities in East Java in 2011-2013 preceded by a workshop for students to produce a design that meets the standards and can be well used by SMEs. Other programs conducted in form of producing brand and packaging design SMEs in East Java and West Nusa Tenggara. The result of this research are increasing awareness of SMEs for good brand and packaging design, increasing student capacity -proven by winning in Asian Star 2011 and 2012 competition, obtaining 11 gold medals. Formulation of Product packaging coaching role models. Formulation of Standard Operating Procedure for branding and packaging and achieving efficiency for SME food product packaging supply through production sharing. 
Hydroxyapatite-Chitosan Composite Coating on TiAl Alloy Electrophoretic Deposition Method Charlena Charlena; Irma Herawati Suparto; Chonny Damayanti
IPTEK Journal of Proceedings Series No 4 (2017): 2nd International Seminar on Chemistry 2016
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2017i4.3071

Abstract

TiAl alloys is commonly used for bone implant applications because it has good biocompatibility. However, in long term usage of metal implants, metal release, which can harm the body, may occured. The metal release can be inhibited by hydroxyapatite-chitosan composite coating on the metal surface using Electrophoretic Deposition (EPD) method. EPD method carried out with 200 v for 40 and 60 minutes, to compare the impact of different interval time in producing the best product. The coated alloy was observed physically by SEM and showed that 60 minute-treatment produced better result. The XRD and FTIR analysis shows that the composite of hydroxyapatite-chitosan has successfully coated on TiAl alloy. The coated TiAl alloy also has low corrosion rate and could potentially be used as bone implants.
The Use of Matrix Heat Pipe as Photovoltaic Cooler Rahmat Subarkah; Tatun Hayatun Nufus; Rahmat A Setiawan; Achmad Subakri; Wisnu Tri Nur Kahfi; Try Laksono Prasetyo
IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2014i1.378

Abstract

The high surface temperature can decrease the efficiency of solar cells. This research aim is to decrease the temperature of the solar cell using the matrix heat pipe as a heat conductor. The study began by constructing a matrix of heat pipes. ¼ inch diameter copper tubing (6.3 mm) pressed until it reaches a thickness of 4.2 mm. Heat pipe using 10 mesh wire screen and water as the working fluid as about 20% of the volume of the pipe. Twenty-five heat pipes arranged matrix configuration. The pipes were vacuumed to pressure 0.0799 bar. Flat heat pipe were placed below the surface of the solar cell. Phase change liquid-gas of work fluid on the heat pipe occurs at saturated temperature of 42ºC. This heat pipe reduces surface temperature of solar cell as 8ºC and increase efficiency of solar cell as 1.6%.
A Possibility to Build Isolated Masonry Housing in High Seismic Zones Using Rubber Seismic Isolators A. B. Habieb; G. Milani; Tavio Tavio; F. Milani
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.y2017i6.3309

Abstract

New residential buildings in developing countries often have inadequate seismic protection, particularly for masonry. Such material is widely preferred because the cost and application are relatively cheap. To decrease the vulnerability, an interesting option is represented by seismic isolation, but the cost should remain relatively low, and this is the reason why rubber isolation with few pads remains the most suitable technical solution to adopt. In this study, we deal with a newly conceived low-cost seismic isolation system for masonry buildings relying on elastomeric bearings. The elastomeric isolator here proposed consists of few layers of rubber pads and fiber lamina, making it cheaper comparing to the conventional isolators. A detailed 3D finite element (FE) analysis to predict the behavior of the low-cost rubber isolator undergoing moderate deformations is carried out. A Yeoh hyperelasticity model with coefficients estimated through available experimental data is assumed for rubber pads. Having so derived the shear behavior, such isolation system is implemented at a structural level into a two stories masonry house prototype, identifying the 3D model with a damped nonlinear spring model, so making the FE analysis computationally inexpensive. For masonry, a concrete damage plasticity (CDP) model available in the commercial FE code Abaqus is adopted. A nonlinear static-pushover analysis is conducted to assess the performance of the isolated building. To simulate a realistic condition under seismic event, a ground motion data is applied to observe the dynamic behavior of the building by monitoring the damage level of masonry. Through a-posterior estimation, it is also possible to monitor the deformation of the isolators during the seismic excitation, to determine whether the isolator is capable of resisting shear deformations in different angles. According to the results obtained, quite good isolation is obtained with the system proposed, with immediate applicability at a structural level.
Development of a ‘Fish Tail’ Rudder to Improve a Ship’s Maneuverability in Seaway Aries Sulisetyono
IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2014i1.376

Abstract

The maneuverability of a ship at seaway is strongly influenced by a design of rudder. An innovative design of rudder based on a tail shape of fish was developed with the intent of improving an efficiency of ship maneuverability. Two designs of rudders were proposed i.e. the rudder of forked which is a rudder with an area reduction on the middle part, and the lanceolate shape or a rudder with additional area on the middle part. In evaluation of the rudder designs performance, the numerical approach of Computational Fluid Dynamic (CFD) was applied to determine a side force generated by rudder using the commercial software of FLUENT. Numerical simulations were performed on the rudder designed of rectangular, forked and lanceolate which had similar a surface area with the variations of rudder angle such as 100, 200 and 300 due to the uniform fluid flow at a constant speed. Further simulations was performed on the two forked rudder designed which takes into account the influence of propeller due to fluid flow on the rudder surface. It had shown the velocity of fluid flow behind the shaft of propeller very small in which the middle part of the rudder produced less lift force compare to the other part of rudder. Mathematical and numerical model of ship maneuvering were developed in order to evaluate the performance of a ship maneuvering in seaway based on the IMO standards on turning test. The simulation results had shown the rudder of forked produce the ship maneuvering performance that exceeds the performance of rectangular rudder as well as lanceolate rudder.

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