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All Journal Journal of Energy, Mechanical, Material and Manufacturing Engineering Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Infotekmesin Accurate: Journal of Mechanical Engineering and Science Journal of Community Development Abdi Masya Proceedings Series on Social Sciences & Humanities Jurnal Abdi Panca Marga Teknik: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Pengabdian Jurnal Abdimas Damhil: Jurnal Pengabdian kepada Masyarakat
Radhi Ariawan
Politeknik Negeri Cilacap
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Nursing Physics Public Health Social Sciences Other

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PELATIHAN PEMBUATAN TEPUNG YUTUK PADA KELOMPOK NELAYAN YUTUK DESA WIDARAPAYUNG WETAN CILACAP Kristiningsih, Ari; Wittriansyah, Khoerudin; Hastuti, Hety Dwi; Ariawan, Radhi; Sarihidaya Laksana, Nur Akhlis; Purwaningrum, Santi; Adi Prasetya, Nur Wachid; Wanti, Linda Perdana
Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Vol 6, No 3 (2023): Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstormin
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/japhb.v6i3.4403

Abstract

Desa Widarapayung Wetan mempunyai potensi yang khas yaitu yutuk atau undur – undur laut. Pengolahan yutuk saat ini masih terbatas hanya dijadikan keripik ataupun hanya digoreng yang dijual seharga Rp 2.500 per bungkus. Harga jual yutuk yang relatif rendah dan proses pengolahan yang masih terbatas menjadi salah satu penyebab produk olahan yutuk sulit bersaing. Diversifikasi dan pengolahan yutuk menjadi produk yang bernilai tambah perlu dilakukan untuk meningkatkan nilai jual dari yutuk. Yutuk dapat diolah menjadi tepung yutuk. Tepung yutuk kemudian dapat dimanfaatkan menjadi produk olahan lainnya sesuai dengan keinginan.Tepung yutuk diharapkan dapat meningkatkan nilai jual yutuk. Kelompok Nelayan Yutuk Desa Widarapayung Wetan dibekali ilmu dan wawasan untuk mengolah yutuk melalui kegiatan pelatihan pembuatan tepung. Kegiatan terbagi menjadi dua sesi, sesi pertama diawali dengan cara untuk melakukan pengeringan dan penepungan yutuk kemudian dilanjutkan dengan sesi kedua yaitu mengolah yutuk menjadi stik yutuk. Peserta kegiatan mengikuti rangkaian kegiatan dengan antusias. Diharapkan melalui kegiatan ini masyarakat desa Widarapayung Wetan khususnya kelompok nelayan Yutuk dapat meningkatkan nilai jual yutuk dengan menjual variasi olahan yutuk yang berasal dari tepung yutuk
Pemetaan Kelas Kesesuaian Lahan Untuk Budidaya Tambak Dengan Metode Skoring Ariawan, Radhi; Rahmawati, Arfita
Infotekmesin Vol 12 No 2 (2021): Infotekmesin: Juli 2021
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v12i2.727

Abstract

Pond cultivation is a coastal sector’s potential in Nusawungu District. To optimize the potential of fish and shrimp ponds in Nusawungu District, mapping of the suitable coastal locations as pond cultivation areas was carried out. This research was included in descriptive – quantitative study of the suitability class of pond cultivation land by using the scoring method from the overlay parameter of land usage, soil type, soil texture, slope inclination, pond to river distance, and pond to beach distance. The land suitability class based on this method was divided into 3 (three) classes, suitable (S1), conditionally suitable (S2), and unsuitable (S3). The results showed that 48.32% or an area of 29.6008 km2, categorized S1 (suitable) as location for pond cultivation. Furthermore, the S2 (Conditionally suitable) class was recorded for 33.98% or an area of 20.8039 km2. S3 (unsuitable) class was recorded for 17.72% or an area of 10.8553 km2.
Analisa Karakteristik Dielektrik dan Kimia Minyak Gas To Liquid (GTL) Sebagai Media Isolasi Transformator Rahmat , Saepul; Ariawan, Radhi
Infotekmesin Vol 13 No 1 (2022): Infotekmesin: Januari, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i1.857

Abstract

Gas to Liquid transformer oil with iso-paraffinic as the main constituent is an alternative insulating medium with fewer impurities, therefore its insulating strength is increasing. This study aims to determine the relationship of changes in the dielectric characteristics of transformer oil to changes in the chemical characteristics of gas to liquid oil. The object of research for gas to liquid oil is treated as the actual condition of the transformer at a temperature of 1000C, then thermal aging was carried out with temperatures of 1200C and 1500C starting from 362 hours to 1008 hours. the dielectric loss value of transformer oil still met the standard value used, namely ASTM D924 of 0.0015%, but the resistivity value was not in accordance with the standard specified by IEC 60442 which was 60 G𝝮m. The value of chemical characteristics such as water content is above the ASTM D1533 standard of 35 mg/kg, the value of the acid content of the oil is above the ASTM D974 standard of 0.20 mg KOH/g, and the color scale value exceeds the predetermined limit of ASTM D1500 by 0,5.
Efek Temperatur Pengarangan Cangkang Kerang dan Tulang Sapi Terhadap Proximate Nurhilal, Mohammad; Dwityaningsih, Rosita; Purwanti Sri Rahayu , Theresia Evila; Ariawan, Radhi
Infotekmesin Vol 13 No 1 (2022): Infotekmesin: Januari, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i1.1018

Abstract

Studies on the use of animal waste as charcoal ingredient in the needs of activated charcoal material has been carried out and developed. Activated charcoal is produced through activation process at a certain temperature, condition, and time in order to creat a higher carbon content in charcoal . One of the important factors in the manufacture of activated charcoal is the temperature during the production process. The purpose of this study is to discuss the influence of temperature factor of mussel shells and beef bones on water content, ash content, volatile matter and fixed carbon during the charcoal production process. The research is carried out through experimental method of making chorcoal with temperature variations of 400, 500, 600, 700, and 800 oC. The result of the experiment shows the highest ash content and water content found respectively in beef bone charcoal of 800 oC which is 98,697 %, and of 400 oC which is 4,942 %, while the highest volatile matter and fixed carbon levels are found in clam shell charcoal of 800 oC which is 6,717 %, and of 500 oC which is 43,282 %. The result concluded that the effect of the temperature of the production process affects the water content, ash, volatile matter and fixed carbon.
Analisis Kinematik Singularty Pada Manipulator 7 DOF Dengan Software Simulasi ROBOAnalyzer Nur Akhlis Sarihidaya Laksana; Radhi Ariawan; Unggul Satria Jati; Jenal Sodikin; Ulikaryani
Infotekmesin Vol 13 No 2 (2022): Infotekmesin: Juli, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i2.1538

Abstract

Studies related to manipulators are still being carried out, along with the times and needs. Utilization in manufacturing and fabrication has led to the development of many manipulators. Smooth, fast, and accurate movement continue to be developed. In the case of the multi manipulator, 7 DOF (Degree of Freedom) is a type of manipulator that has special features in terms of joints. Inverse kinematic is a parameter used to control the orientation and movement of the manipulator. 7 DOF has three singularity wrist, elbow, and shoulder. In the simulation, each singularity produces an inverse kinematic matrix which is used to control the movement of the manipulator. The method used is to determine the angle of motion of the joint (continues joint angel) with simulation to produce calculations that are fast, precise, accurate, and stable. The target of each joint with the theta value that has been determined by the singularity was successfully carried out with an error of 0%.
Rancang Bangun Rangka dan Penggerak Mesin FDM Berbasis Arduino Tipe XZ-Head Ariawan, Radhi; Akhlis Sarihidaya Laksana, Nur; Satria Jati, Unggul; Aries Permana Tarigan, Roy
Infotekmesin Vol 14 No 1 (2023): Infotekmesin: Januari, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i1.1741

Abstract

FDM is an AM method that is currently being developed due to the flexibility of the object geometry that can be formed. This study aims to design the frame and drive of the XZ Head type FDM engine. Stress simulation was carried out to determine the safety factor in the frameXZ design. Lead screw parameters in the form of torque, shear stress, axial stress, and critical load were calculated to determine the torque requirement of the driving motor. The value of the linear axis of the stepper motor was calibrated to determine the dimensions of the printed output. Based on the simulation, the dynamic and static stresses on the XZ frame were 1.9 MPa and 2 MPa. The yield strength was 55 MPa with a safety factor of 28. The results of the calculation of the lead screw torque (TR) and (TL) were 18.27 N.mm and 6.60 N.mm. The calculated nominal shear stress of the screw () was 0.43 N/mm2, the axial loading stress () was -0.62 N/mm2, and the critical load (Wcr) was 9986.41 N. The difference in dimensions of the measurement results in the X and Z planes was 0.22 and 0.17 mm larger than the target dimensions of 20 mm.
Analisis Performa dan Studi Konsumsi Energi Kendaraan Listrik Sepeda Motor Listrik SEMOLI Laksana, Nur Akhlis Sarihidaya; Ariawan, Radhi; Girawan, Bayu Aji; Sari Nurhidayat, Akhlis Rahman
Infotekmesin Vol 15 No 1 (2024): Infotekmesin: Januari, 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i1.2093

Abstract

In this article the author conducts research related to energy consumption studies on electric motorbike vehicles (SEMOLI) made and developed by the author. The purpose of the energy consumption study is to determine the energy consumption of electric motorbike vehicles that have been made for further improvement and development. The method used is experimentation with the first phase testing on a straight flat road for one kilometer with flat road conditions, this phase of experimental results shows an average energy consumption of 30 Wh, for an average uphill road consumption of 40 km / h and for the second phase of experimental data using experimental methods with speed parameters 30 - 35 km energy consumption has an average of 30 Wh, at speeds of 40 - 45 km / h energy consumption has an average of 28 Wh, and 50-55 km / h average energy consumption of 27 Wh. The test results show that on flat road conditions and the increasing speed, the energy consumption will decrease.
Potensi Serat Pelepah Nipah Sebagai Bahan Baku Binderless Fiberboard Kristiningsih, Ari; Wittriansyah, Khoeruddin; Ariawan, Radhi
Infotekmesin Vol 16 No 1 (2025): Infotekmesin: Januari 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i1.2507

Abstract

Fiberboard uses a lot of agro-industry waste materials combined with synthetic adhesives containing formaldehyde. The weakness of this adhesive is that it can cause health problems such as cancer and eye irritation. Lignin has properties and content similar to formaldehyde. Nipah has lignin and cellulose content that can be developed into binderless fiberboard. The purpose of this study was to analyze the potential of Nipah frond fiber to make a binderless fiberboard. The characteristics of fiberboard that will be explored include density and water content. Nipah frond binderless fiberboard is made using a press machine with a pressure of 50 bar, and a temperature of 100oC for 20 minutes. The density between 0.46-0.52 which is by the requirements of SNI 03-2105-2006 and the water content of 5.98% - 7.70% is also by the requirements of JIS 5908: 2003 and SNI 03-2105-2006. Based on these results, it can be concluded that Nipah fronds can be used as raw material for binderless fiberboard.
Rancang Bangun Mesin Hot Press Hidrolik 10 Ton Untuk Cetakan Spesimen Bahan Uji Komposit Fiberglass jenal, Jenal Sodikin; Ariawan, Radhi; Ardiansyah Pradana, Rizky Nur; Dwi Cahyo, Rizal Agung
Infotekmesin Vol 16 No 1 (2025): Infotekmesin: Januari 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i1.2521

Abstract

Hydraulic Press Machines are also called composite molding machines, 10 ton hot hydraulic press machines are used to print fiberglass composite test material specimens, made to press FRP material into a certain shape so that it is easy to carry out further testing. In order to print test specimens for fiberglass composite test materials, the research aims to design, carry out calculations, and carry out function test of the machine. A hydraulic pressure of 10 tons was chosen to test the specimen whether at the specified maximum pressure the material could survive after further testing. The VDI 2222 engineering approach is used in machine design. Solidworks 2020 is used to get the design shape. With a compression force capacity of 10 tons, the pressure system design produces dimensions of 600 x 100 x 700 mm. consists of several parts such as a pressure gauge with a capacity of 20 tons, a set of temperature sensors, a timer, a sliding shaft, a 20 mm linear bearing, a 24 volt DC wiper motor, a 10 ton hydraulic jack, and a crank system as a transmission. Based on the test results, the pressure gauge can read the pressure produced by the jack, the temperature sensor can read the heat used, namely 110ËšC, and the wiper motor can operate up to a maximum pressure of 3 tons. The pressure system can function effectively if a manual pressure of 10 tons is applied. Tests show that using a temperature of 100ËšC for 10 minutes gives the best results.
Simulasi variasi sudut lidah volute casing terhadap kecepatan aliran udara pada blower tipe forward blade Syafa‘at, Husna Endry; Kurniawan, Ipung; Ariawan, Radhi; Santoso, Agus
Infotekmesin Vol 16 No 2 (2025): Infotekmesin: Juli 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i2.2546

Abstract

Optimization of volute design is essential for the performance of centrifugal pumps and blowers. This study investigates the effect of volute tongue angle variation on air velocity and flow rate in volute casing design using flow simulations. The volute design was tested with tongue angles of 15°, 30°, 45°, 60°, and 75°, based on theoretical equations of flow rate and volute radius. Simulation results indicated that increasing the volute tongue angle enlarges the volute cross-sectional area. Generally, this enlargement decreases air velocity but increases the flow rate. A 75° tongue angle produced the highest flow rate of 4.860 m³/s, while the highest velocity, 21.35 m/s, was observed at 15°. This behavior aligns with the principle of mass conservation, where a larger cross-sectional area leads to reduced fluid velocity. These findings suggest that volute designs with larger tongue angles can optimize the flow capacity.
Co-Authors Adam Jauza Maulana Agus Santoso Aji Girawan, Bayu Akhlis Rahman Sari Nurhidayat Akhlis Sarihidaya Laksana, Nur Al Khorni, Wais Ardiansyah Pradana, Rizky Nur Arfita Rahmawati Aries Permana Tarigan, Roy Aziz Adela Rashad Bayu Aji Girawan Bayu Aji Girawan Dian Prabowo Dikky Kusuma Wijaya Dwi Cahyo, Rizal Agung Dwityaningsih, Rosita Evila Purwanti Sri Rahayu, Theresia Girawan, Bayu Aji Hamid Abdillah Hastuti, Hety Dwi Hety Dwi Hastuti Ikhtiagung, Ganjar Ndaru Jati, Unggul Satria Jauza Maulana, Adam Jenal Sodikin Jenal Sodikin jenal, Jenal Sodikin Kristiningsih, Ari Kurniawan, Ipung Mohammad Nurhilal Mohammad Nurhilal Nur Akhlis Sarihidaya Laksana Nur Akhlis Sarihidaya Laksana Nur Akhlis Sarihidaya Laksana, Nur Akhlis Sarihidaya Nur Wachid Adi Prasetya Purwaningrum, Santi Purwanti Sri Rahayu , Theresia Evila Rahman Sari Nurhidayat, Akhlis Rahmat , Saepul Rahmawati, Arfita Rosita Dwityaningsih Roy Aries Permana Tarigan Sabtun Ismi Khasanah Saepul Rahmat Sari Nurhidayat, Akhlis Rahman Sarihidaya Laksana, Nur Akhlis Sarihidaya, Nur Akhlis Satria Jati, Unggul Sodikin, Jenal Syafa‘at, Husna Endry Tarigan, Roy Tri Hannanto Saputra Ulikaryani Ulikaryani, Ulikaryani Unggul Satria Jati Unggul Satria Jati Wais Al Khorni Wanti, Linda Perdana Wittriansyah, Khoeruddin Wittriansyah, Khoerudin