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INTEK: Jurnal Penelitian

Intek
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Published by Politeknik Negeri Ujung Pandang

ISSN : 23390700 EISSN : 26155427 DOI : -

Core Subject : Education,

Education

INTEK: Jurnal Penelitian sebagai wadah komunikasi ilmiah antar akademisi, peneliti dan praktisi dalam menyebarluaskan hasil penelitian. Jurnal INTEK Terbit 2 Kali dalam setahun yaitu pada Bulan April dan Oktober, dan memuat hasil-hasil penelitian dalam bidang Rekayasa Teknik Mesin, Rekayasa Teknik Energi, Rekayasa Teknik Elektro, Rekayasa Teknik Komputer, Rekayasa Teknik Kimia, Rekayasa Teknik Sipil. Jurnal INTEK adalah jurnal elektronik yang dikelola oleh Politeknik Negeri Ujung Pandang mengundang para peneliti dan praktisi untuk mengirimkan naskah ke INTEK. Proses Peer Review dilakukan setiap naskah yang masuk akan direview oleh dua orang reviewer. Jurnal INTEK juga telah bekerjasama dengan Ikatan Ahli Teknik Ketenagalistrikan Indonesia (IATKI).

Arjuna Subject : -

Articles 11 Documents

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Search results for , issue "Vol 5, No 2 (2018): October 2018" : 11 Documents clear

Pemetaan Kluster Perumahan di Kecamatan Biringkanaya dan Tamalanrea Kota Makassar dengan Quantum GIS Vita Fajriani Ridwan; Haeril Adi Hasanuddin
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

Biringkanaya and Tamalanrea sub-districts areMakassar's eastern suburbs that experience urban sprawl.Regional sprawl (urban sprawl) which occurs one of them isindicated due to uncontrolled housing cluster growth. Thephenomenon of urban sprawl has an impact on city morphology,transportation systems, environment and energy. This study aimsto analyze the distribution pattern and density level of housingclusters in Biringkanaya and Tamalanrea sub-districts throughmapping housing clusters in the region. This research method iscarried out by survey for primary data collection in the form ofhousing cluster and area using Garmin 76 CSX which will becombined with Quickbird imagery maps using Quantum GIS,then digitizing buildings from GPS data overlay and image maps.The results of this study are clear spatial data in the form of adigital map based on geographic information about the positionand density of residential clusters in Biringkaya Subdistrict andTamalanrea District, Makassar City. From the results of thisanalysis found housing cluster patterns in these two sub-districtsscattered following the Independence Pioneering arterial pathwith a spawling pattern, besides that it also uses a dominopattern and fills between one housing and another. AlsoBiringkanaya Subdistrict is the most populous sub-district of itshousing cluster compared to Kecamatan Tamalanrea.

Tinjauan Elevasi Puncak Bangunan Seawall di Pantai Galesong Utara Indra Mutiara
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

This study aims to review the use of vertical datumand determine the elevation of seawall constructions based on thesea level design. The sea level design used as a vertical referenceis MSL and LWS. The elevation of the seawall construction fromthe two references above then compared to the elevation of theseawall construction listed in the as built drawing documentduring construction. The MSL value is obtained from the tidalanalysis by using Doodson method based on direct observationfor 39 hours, while the LWS value is obtained by taking intoaccount the position of the range of tide at Tide Station inMakassar. Seawall elevation is obtained by terrestrialmeasurements using the Total Station by measuring the height ofthe top position of the seawall construction against the sea leveldesign through the Bench Mark. The seawall top elevation datacollection is done every one meter along 274 meters. The resultsobtained from measuring seawall construction elevation are +2,251 meters if using reference to MSL and +2,911 meters if usinga reference to LWS, while the elevation in the as built drawingdocument is +4,000 meters unknown what vertical reference isused as a reference.

Audit Energi dan Analisis Peluang Penghematan Energi di PT. Daikin Air Conditioning Makassar Purwito Purwito; Tadjuddin Tadjuddin; Akbar Akbar
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

Energy audit is an activity to identivy how muchenergy is used as well as the steps that are needed in order toconcerve energy on an energy user facility. PT. Daikin AirConditioning Makassar using air conditioning equipments thatuses electrical energy nearly 60%. This study aims to determinethe used of electrical energy and energy saving opportunities inPT. Daikin Air Conditioning Makassar. Reseacrh is started withprocessing of electrical equipment data for lighting, airconditioning and other electrical equipments data. Researchresult pointed that the used of electric energyin PT. Daiking AirConditioning Makassar is 111.3 kWh/m2 /year and still below thestandart of IKE and can be savingabout 44 kWH/month forlighting system. Recommendations are to perform load balancingeach phase, turn on the light and air condioning only whenneeded.

Effect of Recurrent Heating on Mechanical Properties of Artificial Teeth: A Review Asmeati Asmeati; Rusdi Nur
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

Nowadays lots of material is produced to increase there-mineralization of tooth enamel. The eggshells are one ofmaterials that can also increase the re-mineralization of toothenamel. Eggshells are one of calcium carbonate sources with levelsof 95%. The egg produces waste in the form of eggshells. One ofthe alternatives in tackling the eggshells is to turn it into a calciumcompound. It is the main ingredient of bones and enamel tooth.This paper is proposed to investigate the effect of recurrent heatingon mechanical properties of artificial teeth. This review wasdescribed some study experimental that was performed to heat thespecimen with 20oC, 40oC, 100oC, and 120oC. The heating result ofspecimen was observed to determine the hardness using Brinneland Vickers scale. It was concluded that the higher of heatingtemperature will decrease the hardness of denture base acrylic.

Prototipe Pengendali Pintu Darurat Menggunakan Mikrokontroler ATMega 16 Abdul Zain; Arief Muliawan
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

In a building should have a good security system,especially Emergency Exit (emergency evacuation path).Emergency Exit is important because when an emergency occursin the building, the first thing to do is get out of the lab building.One thing to note is the emergency exit door. With the emergencydoor that can be opened quickly so all workers can get outquickly as well from the building when an emergency occurs.So,we need a model (prototype) controlling an emergency door thatcan function properly in an emergency. Prototype newemergency door controller is expected to be implemented intoactual emergency door. Prototype can be accessed with a pushbutton by the user facility. The prototype controller usemicrocontroller ATMega16. And for each emergency exitmovement is monitored and its status is expressed in LEDindicator lights and LCD display on 16x2. Modeling controllingemergency exit of a series of tests using a prototype have workedwell except on the 3rd test caused an error when calibrating thedistance between Ultrasonic sensor with Emergency Door.

Implementasi Augmented Reality pada Museum La Galigo Syahrir Syahrir; Kurniati Naim; Reski Kamil
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

Augmented Reality (AR) is known as an interactivetechnology capable of projecting virtual objects into real objectsin real time. The development of AR technology today hascontributed a lot of various fields. One of AR implementation ineducation and entertainment is AR utilization in museum. ARapplication that tested in this research is AR Mobile. Testing isdone by conducting application studies and user studies. Visitorsare required to use some of the AR applications provided. Then avisitor's reaction is observed to determine the user's needs. Somemethods of this research is the method of tracking the object withthe number of markers and the method of tracking objectswithout markers. This study also discusses other studies oncontent type, visitors' impression when using AR application.From the results of application testing obtained 93% ofrespondents stated that this application is very good and simplifyand help visitors. Testing the questionnaire to 30 respondents onthe aspect of the Application Process on the Catalog with a VeryGood rating 83.35% and on marker less very good with about49.95%.

Pengaruh Desain Interior Diffuser Terhadap Peningkatan Performa Diffuser Augmented Wind Turbine (DAWT) Yiyin Klistafani; Muh Iqbal Mukhsen
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

The main objective of numerical simulation in thisstudies is to determine the effect of diffuser’s interior design onincreasing the diffuser augmented wind turbine (DAWT)performance by observing wind velocity increment. Numericalstudies were carried out using the computational Fluid Dynamics(CFD) method through a two-dimensional steady approach withAnsys Fluent 18.2 and Ansys Workbench 18.2 software. Thepresent studies spesifically investigate the shapes of diffuser,namely flat diffuser and curved diffuser. The studies demonstratethat the curved diffuser generates stronger increment of the windvelocity than flat diffuser (at centreline), which 1.842 times thefreestream velocity, while the flat diffuser is only able to increseup to 1.742 times the freestream velocity. The curved diffusershows the highest increment of the average wind velocity alongdiffuser with the greatest increment of 78.66 % and the flatdiffuser is only able to provide average wind velocity incrementup to 44.81%. The curved interor of diffuser is able to enlarge thewake area, so the effect of the suction flow entering the diffuserbecomes stronger. Therefore, curved diffuser is better to provideDAWT performance improvements.

Optimizing the Cutting Time and Surface Finish for EDMWire Cut Process of AISI 1045 Steel Rusdi Nur; Muas M; Syah Risal
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

This paper aims to optimize the machinedsurface as well as to study the effect of current strength andwire speed on wire cut machining on AISI 1045 steel againstthe timing of roughness of straight gear surface. The surfaceresults analyzed are the surface roughness values obtained byconducting surface roughness testing. Variations of currentused are 3 amperes, 5 amperes, and 7 amperes, while the wirespeed used is 8mm / min, 10 mm, min, and 12 mm / min. In theprocess of wire cut machining is used a brass cutting materialwith 0.25 mm wire diameter. The results showed that thegreater the current and wire speed used then the surfaceroughness value will be lower, otherwise the smaller currentand wire speed used then the surface roughness value will behigher. The results of data analysis using ANOVA analysis,correlation, and regression method obtained optimal conditionto get low surface roughness value and fast cut time that is at 7amperes current with wire speed 8 mm / min.

Tinjauan Kebutuhan Air Irigasi Saluran Sekunder Taroang Daerah Irigasi Kelara Muhammad Taufik Iqbal; Zulvyah Faisal
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

The purpose of the research is the determinationof Irrigation water requirement based on primer datas collectingand analysis factors of land preparation, plant growth,determination of water loss due to percolation. Irrigation waterrequirement depends from various factors in the preparation ofthe land, plant growth, determination of water loss due topercolation, the determination of the replacement of water andrain layer effectively. The availability of irrigation water iscalculated based on discharge data retrieval on the TaroangSecondary channel. which then processed to obtain the finalresult of the availability of water in the channel. Results of thestudy shown that needs water to irrigate an area of secondarychannels Taroang covering an area of 2,140 Ha as much 39.11m3/s. While the availability of water that goes into the secondarychannel taroang where discharge a minimum of 0.12 m3/s and themaximum discharge of 0.31 m3/s.

Aplikasi Aktuator Pneumatik sebagai Simulator Beban Dinamis Vertikal pada Mekanisme Suspensi Roda Kendaraan Seperempat Simon Ka’ka; Syukri Himran; Ilyas Renreng; Onny Sutresman
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

Driving comfort for riders and passengers is a keytarget to be achieved. Fluctuations in vehicle loads, bumps,perforated surfaces, and other road damage will greatly affectthe vehicle suspension working system. This study aims tocalculate the vertical dynamic load of the vehicle actually whichoccurs on road construction after through the vehicle wheelsuspension mechanism. The Pneumatic cylinder that was drivenby pressurized air directly weigh on the spring and ShockAbsorber that contained on the wheels of the vehicle. The loadfluctuations of the medium weight category vehicle aredetermined by the regulation of the amount of pressurized airentering into the pneumatic cylinder chamber pushing the pistonand connecting rods. The deviation that occurs duringcompression on the Spring and Shock Absorber, is substitutedinto the vehicle dynamic load equation by taking also themagnitude of the spring stiffness constant, and the fluid or gascoefficient of the damper. The results showed that the magnitudeof the displacement when the compression force worked hassignificantly influenced the amount of vertical dynamic load ofthe vehicle that overlies the road construction. Experimentalresults using pneumatic actuators instead of real dynamic vehicleloads illustrate the characteristics of the relationship betweenwork pressure and dynamic load. If the working pressure of P2(bar) is given great, the vertical dynamic load Ft (N) whichoverloads the structure of the road is also greater. From thegraph shows that shock absorbers have greater ability to reducedynamic load vertically when compared to spring ability.

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