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Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi
Published by Universitas Pancasila
ISSN : 26551861     EISSN : 27162923     DOI : https://doi.org/10.35814
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Jurnal ini mempublikasikan artikel ilmiah berbasis penelitian, studi kasus, articles review, rekayasa dan inovasi yang mencakup teoritis maupun praktis serta pengembangannya. Topik artikel ilmiah yang dimuat ASIIMETRIK mencakup bidang Arsitektur, Teknik Sipil, Teknik Industri, Teknik Informatika, Teknik Mesin dan Teknik Elektro.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 186 Documents
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Implementasi Manajemen Bandwidth Load Balancing Equal Cost Multi-Path Bagus Hidayat; Ari Wibowo
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3369

Abstract

The internet network often experiences disturbances due to the large amount of bandwidth usage because it is not regulated properly. This paper details the deployment of multi-path equal cost load balancing bandwidth management to integrate two Internet service providers. The Network Development Life Cycle (NDLC) approach is employed in this study. Analysis, design, simulation prototype, implementation, monitoring, and management are all part of the process. Combining two ISPs, according to the findings of this study, is intended to maximise internet consumption from both ISPs. The ability of one ISP to share traffic equitably is merely one consideration when it comes to load balancing.
Studi Eksperimental Sekam Padi sebagai Zat Campuran pada Komposit Termoplastik untuk Meningkatkan Sifat Isolator Yulian Hanif; Agus Riyanto
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3382

Abstract

Every year, Indonesia produces a large amount of rice husks. Insulating composites can benefit from the use of rice husks because of their high silica content and low thermal conductivity. The resin composite specimen with fibre and rice husk reinforcing agents is tested for heat insulating properties by insulating the specimen plate. The composite with fibre reinforcement and rice husk ash had the lowest thermal conductivity value of 0.3770 W/m2K, according to the results of the test. To put it another way, ash made from rice husks contains more silica than the husks themselves or the husks that have been milled.
Perancangan Interior Gerai pada Pusat Perbelanjaan Sarinah di Malang dan Semarang Kiki Kunthi Lestari; Setia Damayanti; Siti Rachima Mumpuni; Margaret Arni Bayu Murti; Listya Nindita; Ashri Prawesthi Dharmayati; Ramadhani Isna Putri
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3400

Abstract

Micro, Small, and Medium-Sized Enterprises are one of the businesses that sell domestic products that are of comparable quality to foreign products. The establishment of the Sarinah shopping centre as a venue for the sale of micro, small, and medium-sized enterprise products such as souvenirs, apparel, and accessories are evidence of this. To supporter Sarinah's efforts, it is vital to have retail locations with aesthetically pleasing and practical interiors. This study discusses the notion of interior space for MSME retail locations in Sarinah Malang and Sarinah Semarang as examples. Combining classroom learning with the application of social media as part of public education, particularly regarding the history of Sarinah and the design of space in MSME outlets in a Nusantara-style, was the strategy utilised to create the design. Concepts, designs, colour schemes, and materials; themes, interior styles, floor plans, sectional views, details, and viewpoints are the outcomes of this design process.
Characterization of the Co-Flow Jet Effect as One of the Flow Control Devices James Julian; Waridho Iskandar; Fitri Wahyuni; Ferdyanto; Nely Toding Bunga
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3437

Abstract

The computational study discusses the application of the co-flow jet technique as a fluid flow control device on the NACA 0015 airfoil. The numerical equation used is the RANS equation with the k-ε turbulence model. There are three variations of the mesh proposed in this paper. The first variation is a fine mesh with 100,000 elements. The second variation is a medium mesh with 50,000 elements. Meanwhile, the third variation is coarse mesh with 25,000 elements. Based on the mesh independence test results, the mesh with the lowest error value is the fine mesh. Co-flow jet is proven to control fluid flow on the upper side of NACA 0015. Co-flow jet can also improve the aerodynamic performance of NACA 0015 by increasing Cl and decreasing Cd. The increase in Cl was 114% and the decrease in Cd was 24%. The fluid flow separation on the upper side of the airfoil can also be handled well by the co-flow jet.
Rancang Bangun Alat Uji Momen Inersia Massa Suatu Elemen Mesin dalam Tiga Arah Sumbu Aji Digdoyo; Fauzhia Rahmasari; Agus Budi Djatmiko; Erma Yuniaty; Saepul Anwar
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3442

Abstract

The moment of inertia of the mass is a quantity that is very much needed in designing high-speed engine parts, because it can cause a very large force and the magnitude can be thousands of times its weight. There are two ways to determine the moment of inertia, namely theoretically or testing, if using theory if the shape of machine parts is complicated, of course it is also difficult to determine the magnitude and the second way, namely by testing, it is very easy to get the price of the moment of mass inertia sought even though the shape is complicated. The moment of inertia test equipment is used to determine the value of the moment of inertia of a machine element by means of testing. This tool is also the result of its own design and engineering, which has never been developed by another party. This tool is intended to assists in the Research Development Program in the Department of Machinery, Faculty of Industrial Technology, Jayabaya University. The design of the Test Equipment is based on the Torque Moment principle where the system is considered to have mass and elasticity and from a practical and economical point of view it is very easy to implement. The results of testing the pitch direction and yaw direction with the same test object, namely the connecting rod, it turns out that the test results are Ip = 0.00298 kgm2 and Iy = 0.00304 kgm2 and for testing the direction of rotation using a mass disk of aluminum obtained Ir = 0.00125 kgm2 , the calculation results obtained Ir = 0.1271 kgm2, not too far away or it can be said that the three-axis test equipment, namely the direction of pitch, yaw and rolling can be used for testing the moment of mass inertia for machine elements.
Analisis Pengaruh Getaran Pompa Terhadap Aliran Fluida pada Proses Pemipaan Skala Laboratorium I Gede Eka Lesmana; Febriani Chairunisa; Maria Putri Hartanto; Rovida Camalia Hartantrie
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3461

Abstract

Piping installations are generally used to drain fluids with the help of tools such as pumps. The pump motor causes a high enough vibration so that if it is connected to a piping installation it can cause vibrations in the pipe. If the vibration generated by the pump against the pipe is strong enough, it can cause problems such as misalignment, and others. To identify the resulting vibration. In this study, using variations in the diameter of the pipe and variations in the distance of the blockage in the clogged pipe. Variations in the diameter of the pipes used are ½”, ¾”, 1”, 1 ¼”, dan 1 ½”. And the variation of the distance of the blockage on the pipe that is plugged is 196.5 cm, 206.5 cm, 216.5 cm, 226.5 cm, and 236.5 cm. The comparison of the value of the vibration velocity becomes a reference to determine the diameter of the pipe that is suitable for installation and to find out that the clogged pipe can flow fluid. Based on the results of this study, a pipe with a diameter of ½”has the highest vibration velocity value of 6.1 mm/s and a pipe with a diameter of 1 ½” has the lowest vibration velocity value of 0.82 mm/s and in the condition of a clogged pipe the value is 1, 04 mm/s and the average value of the vibration velocity in the pipe under normal conditions is 0.7 mm/s.
Analisis Kinerja R290 sebagai Pengganti R32 pada Unit AC-Split Kapasitas 9,000 Btuh/hr Widodo; Ade Irvan Tauvana; Fatkur Rachmanu; Lukman Nulhakim; Syafrizal; Mokhamad Is Subekti
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3466

Abstract

R290 is a type of natural refrigerant that has ODP = 0 and GWP = 4. While R32 from synthetic materials has ODP= 0 and GWP = 675 both are refrigerants used in Split AC. With this high GWP, it can have a damaging impact on the atmosphere. The advantage of R290 is that it has a lower density compared to R32, which can save the number of fillings in the AC unit by ±30% of the previous amount of refrigerant in the same volume. R290/R32 was flammable with LFL= 2%/13% and UFL= 10%/33%. The purpose of this study was to analyze the performance of R290 as a substitute for R32 on an AC-split unit with a capacity of 9,000 Btuh/hr. The steps used in the test are that the AC unit is placed in an open room with ambient temperature around 32°/80°C. The test was carried out until it reaches the optimal and stable temperature, then data is collected. The results of data collection from the evaporator air temperature R290/R32 = 21.4°C/23.0°C, condenser air temperature = R290/R32= 35°C/38.5°C, suction pressure= 90 psig/130 psig and discharge 200 psig/420 psig. The test data were analyzed and calculated using the Mollier Chart software with the results = R290/R32 = refrigeration effect = 344.8/272.2 kJ/kg, compression work = 12.18/13.02 kJ/kg, COP = 28.3/20.9, compression ratio = 2.2/3.2, strong electric current 4.98/5.73 A. From the decrease in electric current of R290 obtained a savings of 13.3% was obtained when converted to electricity bill payment and get a profit of 45,886/month.
Sistem Pakar Berbasis Web Diagnosa Penyakit Gigi dan Mulut di Klinik Sehati Rika Nurhayati; Satria Nusantara Achmad
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3473

Abstract

The lack of knowledge of dental and oral health and the limited number of dentists causes low public awareness of dental and oral health. This condition makes some people put aside efforts to prevent and treat dental and oral diseases. Therefore, this study has created an expert system for early diagnosis of dental and oral diseases, so that it can help the public to find out about the dental and oral diseases they are suffering from and overcome the problem of scarcity of dental and oral experts. As for designing the decision support system are use the Expert System method for evaluating criteria and sub-criteria, with the Personal Home Page (PHP) programming language, MySQL as a database server, APPSERV as a web server. The results of this information system design are web applications. to input data on the symptoms of the disease suffered by the patient, then carry out the process of selecting the symptoms of the disease and produce a diagnosis result in the form of disease and healing solutions.
Pengaruh Suhu Pengeringan Elektroda E 7018 Terhadap Hasil Pengelasan Material A36 Candra Wahyu Setyawan; Syaripuddin; Ahmad Lubi; Ferry Budhi Susetyo
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3510

Abstract

The better welding results are always a scientific challenge in welding engineering. This is to ensure the connection functions properly according to its designation. The main purpose of this study was to determine the effect of electrode drying temperature on the mechanical properties of ASTM A36 steel weld joint. This research was conducted at the Condet Welding Training Center and PT. Gamma Hepsi Condet. The tests carried out were visual tests, radiographs, and tensile tests. The results showed that the drying of the electrode E 7018 without an oven had a lot of welding defects on the inside in the form of porosity about 2 mm. The results showed that the highest tensile strength of 50.01 kgf/mm² was found in specimens using an electrode drying temperature of 230ºC.
Analisis Sentimen Opini Masyarakat Terhadap Keefektifan Pembelajaran Daring Selama Pandemi COVID-19 Menggunakan Naïve Bayes Classifier Ari Wibowo; Firman Noor Hasan; Luthfi Akbar Ramadhan; Rika Nurhayati; Arief Wibowo
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa dan Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3577

Abstract

Since Indonesia was affected by the Covid-19 pandemic, one of the sectors affected was Education. The government makes an online learning system policy where the system is run with an online process. Not a few of them complained about the limitations of activities issued by the government. Twitter social media is often used to express opinions about concerns about programs issued by the government. The Twitter data crawling process was carried out using the hashtag "learning from home" to get as many as 1,000 datasets, followed by the process of removing duplicates which left 524 datasets and then carrying out the implementation stage of the Naïve Bayes Classifier Algorithm. The purpose of this study was to determine the number of positive and negative sentiments from the dataset labeling classification and to determine the accuracy results of using the Naïve Bayes Classifier method as well as the results of evaluation tests on positive and negative sentiment datasets. Based on the experiment, positive sentiment was obtained as many as 480 and negative sentiment as many as 44 out of 524 datasets. The accuracy results in the evaluation test process get results of 88.5% where negative sentiments get a precision value of 12%, recall 17%, and f1-score 14%, while positive sentiments get a precesion value of 95%, recall 93%, and f1 -score 94%.

Page 9 of 19 | Total Record : 186

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