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Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter
Published by Universitas Syiah Kuala
ISSN : -     EISSN : -     DOI : -
Core Subject : Education, Engineering,
Engineering Other
Arjuna Subject : -
Articles 19 Documents
 1   2 
Search results for , issue "Vol 4, No 1 (2014): Engineering" : 19 Documents clear
Evaluation of social impact of traffic noice in Amman, Jordan KHAIR JADAAN; HALA GAMMOH; RAMI AMMOURAH; ZAINA AI-NABULSI
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

Few road traffic studies were conducted in Jordan, but the issue is drawing an increasing attention due to its growing magnitude and various impacts as a result of the high increase in vehicular traffic. This study further investigates the issue with the aim of providing an understanding of its social impact on residents of Amman, the capital of Jordan. Traffic noise levels were measured at selected locations along urban arterials and a social survey was performed to examine the reactions and attitudes of the neighboring residents towards these levels of traffic noise. The survey included social characteristics of individuals, and their attitudes towards traffic noise, and how it impacted their daily activities. A predesigned questionnaire was used for this purpose which included questions to evaluate the awareness of respondents of the problem and its environmental and health impacts. The financial impact that residents perceive of noise and the need for attenuation measures were also addressed. The results of the study also revealed that the impact of traffic noise on people can cause annoyance while performing daily activities were 24% of respondents reported that they get annoyed by traffic while working, 49% while resting, 34% while talking to others, 31% while talking on the phone, 39% while reading, 38% while watching TV and 53% of respondents get annoyed while sleeping. The respondents have also pointed out the following effects of noise: twist in mood (53%), headache (36%), and difficulty in concentration (40%). About 57% of respondents think traffic noise reduces the value of their properties and a total of 31% are willing to sell their house at reduced cost. About 59% of respondents consider attenuation measures necessary, and in order to reduce the noise, about 54% of respondents were willing to pay for attenuation measures which reflects the public awareness of the issue magnitude. Keywords: traffic noise, noise level, survey, social impacts.
A semi analitycal solution of boussinesq equation using asymptotic method CUT D. SYAHRANI; MARWAN RAMLI; SAID MUNZIR
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

This study aims to determine solution of Boussinesq equation which is approximated by using asymptotic expansion method. Nonlinearity of Boussinesq equation causes the solution is not easily determined, so the solution is approached through its linearity. This method is in the form of power series expansion up to third-order, where each term of the series is linear. Furthermore, the finding solution is compared with the solution that was found by Mohyud in previous study. The result of this comparison showed that there were similarities of the two solutions. However, differences occur in phase as modeled in the solution of each method
Design of prototype for online disaster multimedia data transmission based on Android . ROSLIDAR; YUDHA NURDIN; . NASARUDDIN
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

The development of information and communication technology application is growing rapidly. It has motivated the use of mobile devices for various social networking mobile services such as android based multimedia disaster information transmission. Disaster multimedia information is important for quick response and recovery phases of the disaster management. In previous work, an online disaster information system based on location (we called it ASIKonLBS) has been proposed. However, it was only providing the coordinate information of the disaster location by using short message service (SMS) gateway and global positioning system (GPS). In this paper, we propose the design of prototype for online disaster multimedia data transmission based on android. Such that, the ASIKonLBSv2 can provide not only the information of the location, but also the situation of the disaster area including news, picture, and video. The research method refers to a spiral model that begins with conceptual design, prototype development and evaluation. The result shows that the designed prototype can be implemented for online disaster multimedia data transmission (news, photo and video) using Android Developer Tools. Furthermore, the prototype can be installed in the android-based smartphone and map the disaster multimedia data onto the web of ASIKonLBS. Therefore, the proposed prototype is useful for the disaster agencies and practitioners in order to give the first aid for the victim in the disaster area
Automation design and analysis of the wing based on aerodynamic and structure aspect respectively I. G.N. SUDIRA; BAMBANG K. HADI; M. A MOELYADI; DJAROT WIDAGDO
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

Configuration/Geometry definition, grid generation/mashing, and modeling in wing design and analysis process usually spend much time to support calculation by computer program. Much effort has been performed by engineering group to simplify design process and also for accelerating execution time. This paper describe a method to design and analysis aerodynamic and structure of the wing by automatic technique in geometry preparation. For aerodynamic aspect, wing geometry for a certain configuration is created automatically using computer program for replacement of manual method. NWDU is the software for creating an input of “panel method base code” in the form of panel system that consist of basic input, grid point (wing coordinate) and wake point. Some aerodynamic characteristics are demonstrated in corelation with a certain wing configuration. For structural aspect, automatic technique was applied on structure modeling, including structural layout as the input of FEM analysis. Geodesic structure of wing box component was choosen as test case of the method application. Grid Generation (GG) software was developed to generate structure modeling automatically as an input of Finite Element Method (FEM)
CFD analysis of efficiency and pressure drop in a gas-solid square cyclones separator NOVI SYLVIA; . YUNARD; . ELWINA; . WUSNAH; YAZID BINDAR
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

In this paper, two small cyclones with the same hydraulic diameter and volume, which one is square and the other one is round (Lapple cyclone), are numerically compared. A pre-processor software GAMBIT was employed to set up the configuration, discretisation, and boundary conditions of the cyclone. The characteristics of the cyclone being studied was 0.2 m in diameter, receiving a gas flow rate of 0.1 m3/s with a particle mass loading of 0.01 kg/s. A commercial CFD code FLUENT 6.2.16 was employed to simulate the flow field and particle dynamics in the cyclone. The Reynolds averaged Navier–Stokes equations with Reynolds Stress Turbulence Model (RSTM) are solved by use of the finite volume method based on the SIMPLE pressure correction algorithm in the computational domain. The Eulerian–Lagrangian computational procedure is used to predict particles tracking in the cyclones. The velocity fluctuations are simulated using the Discrete Random Walk (DRW).The results show that collection efficiency of square cyclone is the better with increasing flow rate than round cyclone. The pressure drop in square cyclone is higher than the pressure drop in small round one.
Simulation of the crosswind and the steam addition effect on the flare flame . WUSNAH; . YUNARDI; NOVI SYLVIA; . ELWINA; YAZID BINDAR
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

This paper presents the results obtained from the application of computational fluid dynamics (CFD) to modelling the crosswind and steam addition effect on a turbulent non-premixed flame. A pre-processor software GAMBIT was employed to set up the configuration, discretisation, and boundary conditions of the flame being investigated.  The commercial software Fluent 6.3 was used to perform the calculations of flow and mixing fields as well as combustion. Standard k-ε and eddy dissipation models were selected as solvers for the representation of the turbulence and combustion, respectively.  The results of all calculations are presented in the forms of contour profiles.  During the investigation, the treatment was performed by setting a  velocity of fuel at 20 m/s with varied cross-wind velocity at  3.77 m/s, 7.5 m/s and 10 m/s,  and steam/fuel ratio at 0.14, 0.25 and 2.35.  The results of the investigation showed that the standard k-ε turbulence model in conjunction with Eddy Dissipation Model representing the combustion was capable of producing reliable phenomena of the flow field and reactive scalars field in the turbulent non-premixed flame being investigated. Other results of the investigation showed that increasing the velocity of the crosswind, when the fuel velocity was kept constant, significantly affected the flow field, temperature and species concentrations in the flare flame. On the other hand, when the velocity of the fuel was varied at the constant crosswind velocity, the increasing velocity of the fuel gave positive impact as it enabled to counteract the effect of crosswind on the flare flame. The velocity of the crosswind very influence of combustion efficiency, from result of the investigation showed that increasing the velocity of the crosswind significantly affected the combustion efficiency, other result of the inverstigation showed that steam addition will very influencing combustion, excelsior the steam/fuel ratio results the combustion efficiency decrease
Effect of plasticizer and fermetation time on cellulose membrane production and analysis of material property . FARIDAH; ALFIAN PUTRA; . ELWINA; M. SAMI; NUR AZIZAH
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

This research has been carried out in cellulose membrane production from bacterial cellulose. Bacterial cellulose is produced from the fermentation process. The purpose of this study was to analysis the effect of cmc, glycerol and fermentation time towards cellulose membrane characteristics. Cellulose membrane made of a combination of coconut water and palm sugar juice as medium fermentation by using Acetobacter xylinum at 2, 4 and 6 days for fermentation time. Cellulose membrane obtained from a mixture of bacterial cellulose, cmc and glycerol. The addition of cmc and glycerol to improve cellulose membrane characteristics and performance. Based on the analysis results obtained the best performance at 4 days of fermentation time with a concentration of 1.5% cmc and 1.5% glycerol. The thickness of the cellulose membrane was almost the same for all samples and does not affect significantly towards the fermentation time for cellulose membrane production. Cellulose membrane has an asymmetric shape based on morphological analysis using SEM. Besides cellulose membrane has a similar pattern to the weight reduction and has the addition of heat resistance of the membrane. While the results of the IR spectra of cellulose membrane to detect the presence of OH groups, CO, C=C and CH groups that are characteristic of the polymer
High density polyetylene (HDPE) - oil palm empty fruit bunch filled micro composites using melt blending process . ZULNAZRI; . SURYATI; . AZHARI; B. WIRJOSENTONO; HALIMATUD DAHLIANA
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

In this research,  high density  polyetylene (HDPE) reinforced oil palm empty fruit bunch fiber micro composites to improve the mechanical properties were prepared using melt blending and hot press technique. Oil palm empty fruit bunch fiber as a filler reduces in sizes 63, 75, 90, and 106 µm.  Oil palm empty fruit bunch fiber were mixed with in 10 mL MAPE 8% (in xylene) solution up evenly. The variation composition ratio of HDPE in filler is : (80: 20, 70:30 60:40, 50:50). The good results showed that composite boards are tested viable filler and matrix ratio 30%:70%, 3.969 to 12.243 Mpa of tensile strength, the value of the melting point (Tm) of 400.05 to 497, 07oC for thermal properties, FT-IR analysis results indicate that the groups contained in the matrix and the filler is still present in the composite board products.The SEM photograph tests showed that the best products are the smallest filler size is 63 µm, and 4943.4 J/m2 ofImpact strength test obtained. The results of this study can be applied as part of an electronic element and the casing, because high heat resistance, is a semiconductor, not easily broken and durable
Lysozyme separation by MP500 mixed matrix membrane . Saiful
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

Rapid developments in biotechnology increase the demand to separate biomolecules using mild process conditions. The separation of lysozyme by mixed matrix membrane adsorbers was studied. MP500, a strong anion exchange resin is incorporated as adsorbent into an EVAL polymeric matrix. The membranes in this study are prepared by immersion precipitation out of a DMSO solution containing 14% EVAL. All membranes contain 65% resin based on dry solids. The morphology of the membranes are characterized using scanning electron microscopy. Dynamic adsorption capacities of lysozyme onto mixed matrix membrane adsorbers are measured. The dynamic lysozyme adsorption capacity at 10% break through is determined as 43 mg lysozyme/g membrane.

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