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Jurnal Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : https://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Environmental Science
Jurnal Serambi Engineering diterbitkan oleh Fakultas Teknik Universitas Serambi Mekkah Banda Aceh. Jurnal ini diterbitkan sebagai media untuk menyalurkan informasi hasil penelitian dibidang keteknikan baik yang dilakukan oleh para dosen dari Fakultas Teknik, khususnya dari Universitas Serambi Mekkah maupun dari pihak lain. Penelitian yang dipublikasikan dapat berupa penelitian lapangan maupun laboratorium serta kajian literatur.
Arjuna Subject : -
Articles 1,178 Documents
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Optimasi Umur Pakai dan Efektivitas Boiler Akibat Korosi Menggunakan Algoritma Particle Swarm Reza Setiawan; Vera Pangni Fahriani; Sugeng Riyadi
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2664

Abstract

One of the causes of boiler pipe breakage is corrosion. The prediction of the lifetime of the tube and superheater effectiveness on the boiler shall be calculated to determine and predict the failure time. The prediction of the lifetime of the tube is a prediction of the time of the failure of the superheater tube in the boiler so that the return can be performed.  The effectiveness of the superheater in the boiler is a comparison of the heat transfer rate of the overheated tubes  inside the boiler. The research method was research and development, a computational program using an optimization process.  The variables used in the study were steam input temperature, metal tube temperature, steam outlet temperature, natural gas input temperature, natural gas mass flow rate,  vapour mass flow rate, and natural gas outlet temperature. This study takes a case study of the superheater boiler from the company. The results of calculation of the life expectancy of the operating conditions  shall be 11 years when the boiler data sheet is used and 14 years  for using the actual boiler data. Superheater effectiveness in boilers with 56% is a data sheet on boilers and 56% of the actual data. Optimization of the particle swarm algorithm predicted a  29 year  lifespan. The effectiveness of the superheater in the boiler is 86%.
Pembobotan TF-IDF pada Judul Penelitian Dosen Sebagai Dasar Klasifikasi Menggunakan Algoritma K-NN (Studi Kasus: Universitas Siliwangi) Agus Supriatman
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2645

Abstract

The rapid and inexpensive development of digital storage media technology has led to an increase in the number of electronic documents stored on storage systems such as those in universities. Various academic  scientific works, such as articles , research reports, etc., are available in digitally .  In addition to teaching activities, lecturers are also required to research to deepen their knowledge. With so  much research, of course, the resulting research will be very diverse,  which is why it is deemed necessary to have groupings related to the title or topic of the research carried out so that it can support the management of Siliwangi University in achieving its goals.   Using TF-IDF weighting in text mining on a research title data set, it is known that the optimal number of k in this study is k = 4 with an accuracy rate of 90.7% and the resulting number of each group is 115 scientific  titles, 142  social titles, and 98 educational titles  for a total of 355 research titles.
Turbidity Level Prediction Based on Suspended Particle Counting Through Image Processing Approach Temmy Wikaningrum; M. Galang Alvasa; Yandes Panelin; Rijal Hakiki
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2593

Abstract

Monitoring of pollutant concentrations in surface water becomes a concern, considering the utilization of surface water as the raw water for drinking water treatment plants (WTP). The fluctuation of pollutant concentrations in surface water can affect the performance of WTP. This research was conducted to assess the potential for turbidity level prediction based on the calculation of the number and surface area of suspended particles through a digital image processing approach. Measurements of the amount and surface area were carried out in the form of laboratory-scale experiments using the open source software ImageJ 1.46r. The algorithm in ImageJ can convert pixels into a number “value” and surface area through a series of digital image processing steps, henceforth compared with the existing measurement method. The results showed that there was a strong correlation between the number of particles and the concentration of formazine suspension (r = 0.9821), but does not apply to the surface area. Referring to the results of laboratory experiments, it can be concluded that the approach to measure the number of suspended particles can be the basis for predicting the turbidity level in the turbidity range 100-800 NTU, but does not apply to the turbidity range 0.02-20 NTU.
Analisis Implementasi Stock Opname Internal pada Manajemen Pergudangan Perusahaan (Studi Kasus: PT. Granitoguna Building Ceramics) Marco Veris Jeremi; Dene Herwanto
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2651

Abstract

To maintain company quality, the warehousing system must also be maintained so that stored items are controlled and easily accessible, both physically and in a system, so that it is easier for employees to run the work wheels optimally and efficiently. One thing that can be done to control the stock of goods is stocktaking. Stocktaking is an activity  of inspecting and  recovering the assets of the enterprise as a whole to maintain the quality of the collection and maximize the development activities of the company’s collection. This research was conducted by observing the application of stocktaking in GHPA01 and GHPA02 warehouse PT. Granitoguna Building Ceramics for one month. The purpose of this study was to determine the effect of stock accuracy, both physically and  in GHPA01 and GHPA02. The results showed that there was an increase in the level of accuracy of the quantity and shading accuracy  before and after the stocktaking was done in the warehouse  producing  results. The internal stocktaking process has a major effect on the accuracy of the stock, both physically and systemically, so a structured and planned inventory is needed to balance the accuracy of the system and physically can be balanced.
Uji Daya Hambat Ekstrak Etanol Daun Belimbing Wuluh (Averrhoa blimbi L.) Terhadap Pertumbuhan Staphylococcus epidermidis Irma Zarwinda; Fauziah Fauziah; Shara Shevalinda; Dwi Putri Rejeki
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2609

Abstract

Startfruit (Averrhoa bilimbi L.) is one the kind of plant that is widely used as a traditional herbal medicineto overcome various diseases i.e. diabetes mellitus, cough, rheumatism, thrush, diabetes, toothache, acne, etc. The secondary metabolites of the starfruit leaves contain flavonoids and tannins, whereby these activecompounds can be used as an antibacterial. This study aimed to determine the inhibiting power of starfruit leaf ethanol extract against Staphylococcus epidermidis at concentrations of 25%, 50%, 75%, and 100%. The research was conducted at the  AKAFARMA Laboratory and the Chemistry Laboratory , Faculty of Teacher Training and Education, Syiah Kuala University from June to July 2020. The research method was laboratory experimental using the disk diffusion method. The population of starfruit leaves was obtained from Lhokseumawe  using a purposive sampling technique. Ethanol extract of starfruit leaves with concentrations of 25%, 50%, 75%, and 100%. The diameter of the inhibition zone of the ethanol extract  from the starfruit leaves at  concentrations of 100%, 75%, 50%, and 25% were 15 mm, 12 mm, 11 mm and 10 mm, respectively. It can be concluded that  ethanol extract of starfruit leaves can inhibit the growth  of  Staphylococcus  epidermidis  with  a  maximum inhibitory concentration  of  100%,  which is classified  as a strong category.
Optimasi Algoritma Rate Adaptation Control CARA untuk Meningkatkan Throughput pada Wireless Mesh Network Zahrul Maizi; Teuku Yuliar Arif; Nasaruddin Nasaruddin
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2472

Abstract

This paper examined throughput optimization issue in wireless mesh network (WMN), the weakest point of this network in regard to this matter.   A number of previous studies on this issue have been conducted, but most focus has been on general wireless network, only few studies so far have attempted on this network. This research aimed to optimize the CARA rate adaptation control algorithm in WMN network. The optimization was performed by adjusting the successtreshold and timeout parameters in the CARA algorithm to obtain an optimal throughput. The optimal result is showed that the optimal points of the success threshold and timeout are at range of 30-35. It is obviously seen in grid 4×5 and 5x5 where the throughput value of the optimization result continues to increase. Moreover, by adding the data transmission time for 100 seconds on grid 5×5 resulting the throughput value of 0.52206412 Mbps and after the optimization the throughput value increases up to 117% to 1.1350768 Mbps, when the success threshold and timeout value are 30. For an additional  150 seconds, the throughput value is 0.5074419333 Mbps and after the optimization the throughput increases up to 120% to 1.1211402 Mbps, when the success threshold and timeout value are 35.
Penentuan Sudut Kemiringan Optimum Berdasarkan Energi Keluaran Panel Surya T. M. Azis Pandria; Muzakir Muzakir; Edi Mawardi; Samsuddin Samsuddin; Munawir Munawir; Mukhlizar Mukhlizar
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2665

Abstract

Angle tilt is an important factor that affects the amount of solar radiation received on the surface of solar panels. Fixed-mounted solar panels cannot receive the maximum amount of solar radiation. How to get the maximum solar radiation by positioning the surface of the solar panel at a certain slope to be directly facing the sun. This study aims at  determining  the optimum slope angle of solar panels in the city of Meulaboh (4,152 LU, 96,131 BT). The method of calculating the total value of solar radiation on a sloping surface simulated with Pvsyst Software is used to determine the annual optimum tilt angle. NASA SSE solar radiation data from 1983 – 2005 were used to support simulations in this study. The results showed that the tilt angle that can produce the maximum output energy in the city of Meulaboh (4,152 LU, 96,131 BT, Johan Pahlawan) is at an angle of 5° with the orientation directly facing south.   
Pemanfaatan Bambu Tabadiku sebagai Agregat Kasar Pada Pengujian Kuat Tekan Beton Hartati Kapita; Elfira Resti Mulya
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2646

Abstract

The use of bamboo as building materials has occurred for a long period, especially in a simple construction system. Bamboo can be utilized as a building material due to its advantages. One of the advantages is that bamboo has a significantly low density so  it can reduce the density of concrete whose main material is gravel. Gravel is a natural building material is formed from unconsolidated rock fragments, such as rock pieces or small rocks. Gravel is commonly found in Indonesia because there is a lot of availability. This research aims to utilize local bamboo resources as building materials. Bamboo is used as an alternative substitute for gravel aggregate in the concrete mixing. The research method was experimental laboratory work. The results showed that the use of bamboo as an aggregate can only be used in non-structures, this is because the rate  of absorption of bamboo against water is quite high. While the compressive strength of the concrete produced by  mixing 100 % bamboo aggregate has an average value of 3.09 MPa and mixing 50 % of bamboo has an average value of 6.01 MPa. Therefore, the quality of the concrete cannot be used for building structures, but  only be used in non-structural buildings.
Sistem Manajemen Pariwisata di Kabupaten Bangka Menggunakan Teknologi Informasi Dony Yanuar; Ghiri Basuki Putra
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2596

Abstract

Tourism area is expected to provide multiplier effects that encourage economic growth in Bangka Regency beside tin mining and farming. For a better way of managing of tourist destinations, preparation   of various aspects is required and the preparations are getting ready  for development of tourism in Bangka Regency area, especially the use of information technology and the Internet. In this study, the main key for  managing tourism based on information technology  is the management of tourist destinations in Bangka Regency, such as Matras Beach, Tongaci Beach, Tikus Mas Beach, Puri Tri Agung and so on which can be used as an interesting and unique destination for tourists to visit. Tourism management using information technology, especially Internet and android applications for tourism management in Bangka Regency to make it better and easier for both the government and tourists for controlling the data about tourism. This system is built using the System Development Life Cycle (SDLC) for make the system built correctly. The purpose is to  manage the tourism system  effectively and by using  Internet and Android, many people can  get informed about tourist attractions in Bangka Regency so  it is to be hoped that many people are interested in visiting tourist attractions in Bangka Regency. This tourism management aims to facilitate the delivery of tourist information and management of tourism destinations in Bangka Regency to make tourists easier and more comfortable when on trips in Bangka Regency.
Kemampuan Induktansi pada Material Inti Logam Induktor Besi Cor ASTM A48, Nichrome dan Monel Alloy 400 Terhadap Variasi Input Listrik dan Lilitan Vera Pangni Fahriani; Reza Setiawan; Suciani Rahma Pertiwi
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2652

Abstract

Inductor with a metal core is a component which  is almost always present in the daily  electronic device known to us . To further prove the potential  of the proposed new metalcore material, it is necessary to test the voltage variation, winding, and frequency in the inductor with the newly proposed metallic core material. The research method uses experimental methods. Three basic metal materials were used in the experiment, those are Cast Iron ASTM A48 (C 3.4%, Mn 0.5%, Si 1.8%,), Nicromine (Ni 80%, Cr 20%), Monel Alloy 400 (Ni 63%, Cu 31.7%, C 0.3%, Fe 2.5%, Si 0.5%, Mn 2%, S 0.024%). Experimental tests on these new types of metal were also carried out under various stress, winding, and working frequency conditions. The voltage variation selected is 4.5 V - 24 V,  the winding variations and frequencies selected are 150 to  1000 turns and 50 Hz. The  greatest inductance was obtained from ASTM A48, Fe, Monel Alloy 400, Nikromic, and without metallic core on the specified indicator variables. As the voltage increases and the number of turns increases,  the inductance value increases.

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