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All Journal DIKSI Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Nurse Media Journal of Nursing BERKALA FISIKA Sainstek Journal of Business and Management Swara Bhumi Jurnal Manajemen Keperawatan Techno.Com: Jurnal Teknologi Informasi CAUCHY: Jurnal Matematika Murni dan Aplikasi Jurnal Pendidikan Teknik Mesin Jurnal Ilmiah Mahasiswa FEB Jurnal Infra MAGISTRA Indonesian Journal of Business and Entrepreneurship (IJBE) Record and Library Journal QUANTUM: Jurnal Inovasi Pendidikan Sains REiD (Research and Evaluation in Education) Jurnal Sejarah Jurnal Matematika Sains dan Teknologi SYAMIL: Jurnal Pendidikan Agama Islam (Journal of Islamic Education) Tawarikh : Journal of Historical Studies Belitung Nursing Journal Desimal: Jurnal Matematika Albacore : Jurnal Penelitian Perikanan Laut Indonesian Mining Journal Journal Of Holistic Nursing Science SINTECH (Science and Information Technology) Journal Holistic Nursing and Health Science KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Kurios Jurnal Basicedu International Journal of Supply Chain Management Jurnal Pendidikan Fisika dan Teknologi Psychology, Evaluation, and Technology in Educational Research JURNAL HUKUM dan KENOTARIATAN Jurnal Smart Keperawatan Jurnal Pendidikan Gema Kampus IISIP YAPIS Biak Jurnal Studi Guru dan Pembelajaran Jurnal Abdiel: Khazanah Pemikiran Teologi, Pendidikan Agama Kristen dan Musik Gereja Infotekmesin Instructional Development Journal Jurnal Ekonomi dan Bisnis Indonesia Science Education and Application Journal International Journal of Economics, Business and Accounting Research (IJEBAR) Jurnal Ilmiah Edunomika (JIE) ANIMA Indonesian Psychological Journal Proceedings of International Conference on Da'wa and Communication Jurnal EK dan BI Jurnal Aisyah : Jurnal Ilmu Kesehatan Science Midwifery Open Access Indonesia Journal of Social Sciences Jurnal At-Taujih : Bimbingan dan Konseling Islam Madani : Indonesian Journal of Civil Society Jurnal Akuntansi, Manajemen dan Ilmu Ekonomi (JASMIEN) Jurnal Riset dan Inovasi Peternakan (Journal of Research and Innovation of Animals) Jurnal Cahaya Mandalika Justisi : Jurnal Ilmu Hukum FUNDAMENTAL AND MANAGEMENT NURSING JOURNAL Sciening : Science Learning Journal Accurate: Journal of Mechanical Engineering and Science Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Prima Abdika: Jurnal Pengabdian Masyarakat Jurnal Pendidikan Teknik Sipil (JPTS) Cokroaminoto Journal of Primary Education E-JOINT (Electronica and Electrical Journal Of Innovation Technology) SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Jurnal Pengabdian Masyarakat Nusantara Open Access Indonesia Journal of Social Sciences Oryza : Jurnal Pendidikan Biologi Jurnal Ekonomi Jurnal Kolaboratif Sains TRANSFORMASI : JURNAL PENGABDIAN PADA MASYARAKAT Jurnal Komunikasi Islam Jurnal Pijar MIPA DiJITAC : Digital Journal of Information Technology and Communication Bussman Journal : Indonesian Journal of Business and Management Jurnal Manajemen dan Bisnis Jurnal Pustaka Mitra : Pusat Akses Kajian Mengabdi Terhadap Masyarakat Jurnal Locus Penelitian dan Pengabdian Journal of Food Engineering Journal of Applied Management Research Jendela ASWAJA Tropical Plantation Journal SYAMIL: JURNAL PENDIDIKAN AGAMA ISLAM (JOURNAL OF ISLAMIC EDUCATION) Jurnal Basicedu Abdimas Indonesian Journal Analisa: Journal of Social Science and Religion AKSIOMA : Jurnal Manajemen Widya Dharma Journal of Business Journal of Biological Science and Education Konsentrasi: Jurnal Manajemen dan Bisnis West Science Interdisciplinary Studies Jurnal Ilmu Sosial dan Ilmu Politik West Science Interdisciplinary Studies Prosiding Seminar Nasional dan Call Paper STIE Widya Wiwaha Prosiding Seminar Hasil Penelitian dan Pengabdian Kepada Masyarakat Jurnal Staika: Jurnal Penelitian dan Pendidikan JOUSIP Jurnal Ekonomi, Akuntansi dan Perpajakan Jurnal Pengabdian Widya Dharma Jurnal Desiminasi Teknologi Jurnal Bimbingan dan Konseling Islam At-Tawazun, Jurnal Ekonomi Syariah Journal of Power, Energy, and Control Jurnal Legislasi Indonesia Journal of Green Engineering for Sustainability ABDI NUSANTARA: Jurnal Pengabdian Kepada Masyarakat Journal of Social Computer and Religiosity Andan Jejama: Indonesian Journal Of Community Engagement
Agus Santoso
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Journal : Infotekmesin

 1 
Analisis Performa PLTS Off Grid Untuk Sistem Desalinasi Metode Osmosis Terbalik Supriyono, Supriyono; Purwiyanto, Purwiyanto; Aji Girawan, Bayu; Setia Pribadi, Joko; Santoso, Agus
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.v14i1.1651

Abstract

Bondan Hamlet is a hamlet in Kampung Laut District, Cilacap. One of the community's problems is the lack of clean water and the PLN electricity network. In 2020, a desalination facility named Sidesi Mas will be built in Bondan Hamlet with a capacity of 240 liters/hour and using the reverse osmosis principle. The energy source for desalination uses a solar power plant (PLTS). Desalination management requires economic analysis, especially in determining the selling price of desalinated water. The cost of producing desalinated water can be calculated using the Cost of energy (CoE) value of the PLTS or the costs incurred to produce electrical energy per 1 kWh. To get the PLTS CoE, this article discusses a simulation to analyze the performance of PLTS desalination systems with Homer software. Homer performs analytical calculations based on a location input, solar energy potential, capacity, and costs of PLTS components as well as electrical load data. The simulation results show that PLTS energy production is 535 kWh/year, the CoE value is IDR 21,975/kWh and the production cost for producing clean water is IDR 183.13/liter.
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.
Rancang Bangun dan Uji Kinerja Mesin Oil Skimmer Disk Type Berdasarkan Volume dan Kadar Ph Pada Cairan Pendingin Mesin CNC Milling Hurco Seri Vm10 Kurniawan, Ipung; Pujono; Pribad, Joko Setia Pribad; Santoso, Agus; Ibrahim, Ariq Rafi; Adha, Hilmam Zulmi
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.2953

Abstract

Modern machining processes heavily rely on liquid coolants to extend the life of cutting tools; however, water-soluble coolants are susceptible to oil contamination, which degrades their quality. This research aims to design the form and details of a disc-type oil skimmer machine, perform the necessary machine element calculations, and test the results. The design process utilizes the VDI 2222 systematic approach with the aid of Autodesk Inventor 2025 software, supported by literature and field studies. The calculation results indicate a required motor power of 0.042 HP, a minimum shaft diameter of 7.2 mm, and a dynamic bearing load of 5.868 N. The frame strength analysis also ensures safety, with a maximum stress of 15.19 N/mm², well below the allowable limit of 79,2 N/mm². In conclusion, this design yields a viable and safe oil skimmer for implementation on the Hurco VM10 series CNC Milling machine, complete with detailed working drawings and an optimal speed of 80 rpm for separating oil from the coolant.
Pengaruh Ketebalan Orifis Terhadap Karakteristik Hidrodinamik Oksigen Terlarut pada Microbubble Generator Tipe Porous-Orifis Santoso, Agus; Ariawan, Radhi; Girawan, Bayu Aji; Pisti Cikarge, Ghia
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.3038

Abstract

This study aims to analyze the effect of orifice thickness on the performance of a porous-orifice microbubble generator (MBG) in aeration processes, particularly concerning the enhancement of dissolved oxygen (DO) concentration and the volumetric oxygen mass transfer coefficient (KLa). The primary issue identified is the limited number of studies that explicitly address the role of orifice thickness as a critical geometric parameter influencing microbubble formation and oxygen transfer efficiency. The research was conducted experimentally under controlled laboratory conditions using two orifice thickness variations, 1.5 mm and 9 mm, with different water and air flow rates, QL and QG. The findings reveal that increasing air flow rate (QG)  correlates positively with higher KLa values for both orifice types; however, the thinner orifice consistently demonstrates superior KLa performance. This behavior is attributed to a steeper pressure gradient and stronger shear forces that promote finer bubble fragmentation and greater gas–liquid interfacial area. Overall, the thin-orifice MBG proved more efficient in enhancing aeration performance compared to the thick-orifice configuration.
Co-Authors - Anggorowati ., BINAR AYU DEWANTI ., Zaenurrohman Abd Hamid, Harris Shah Abdul Haris Abdul Kohar Mudzakir Abdullah Abdullah Achmad Solichin Achmad, Andi Achmad, Andi Adha, Hilmam Zulmi Adhamatika, Adhima Adhi Pratomo, Sigit ADI FITRA Adi Nugroho Adi Putra Adinugroho, Wisnu Afiyah, Durrotul Afrizal Abdi Musyafiq Agung Nugroho Jati Aini, Qonita Qurotul Aji Girawan, Bayu Al-Fajri, Galang Aldri Frinaldi Alimudin, Erna Aliyah, Jannatun Almasri Almasri Alvina, Ria Ambarsari, Dwi Wanito Amrillah, Dian Ananda, Nova Aditya Andreas Handojo Andrian Pramadi Anis Marjukah Anitarini, Fany Annafi, Rafiiq Anugrah, Muhammad Fikri Apino, Ezi Ari Prasetyo Arif Julianto Sri Nugroho Arif Julianto Sri Nugroho, Arif Julianto Sri Ashri Maulida Rahmawati Atik Aprianingsih Atymtaevna, Begimbetova Guldana AYU WAHYUNI, DIAH Baehaqi Bahasa Indonesia Bambang Edi Warsito Betty Subartini Bin Ali, Muhammad Noor Bobby Kurnia Putrawan Brilliantina, Aulia Busman, Sherwin Busman, Sherwin Ary Cahaya Nugrahani Cahyono, Tomy Dwi Choirun, Annisa’u Christian Kuswibowo Cita, Fitria Permata Cucut Prakosa Dance Tangkesalu Dandang Setyawanti Dani , Rian Dani, Rian Dauletkulova, Aigul Deni Kristianto Desiana, Adelia Fitri Devi Nurmalia Dewi, Hafni Yusrina Dhinamita Nivalinda Dian Prabowo Dian Septinova Diki, Diki Dina, Aisyah Kafa Dita Kurnia Sari Diyan Yuli Wijayanti Dj, Arifhan Ady Djidu, Hasan Dodi Satriawan, Dodi Dwi Novitasari Dwi Wahyuni Uningowati Dwiantoro, Luky Dwiantoro, Luky Dyah Pratiwi Edi Dharmana Edi Irawan Edwinsyah Yanuan Putra, Mohammad Efendi Lisyanto, Rudi Eko Sri Wiyono Elis Hartati Erliza Septia Nagara Etika Rini, Wulandari Dwi Fadlilah, Ilma Fahlia, Fahlia Farit Mochamad Afendi Fatikhu Yatuni Asmara Febri Liantoni, Febri Fietroh, Muhammad Nur Fitriana, Vera Ghazali, Puspa Liza Girawan, Bayu Aji Halim, Andrea Hartanto Hartini Hartini Hartini Harun Rasyid Hasan Basri Hasanah, Masfufah Hastuti, Tri Turnianti Hazrina, Fadhillah Heri Retnawati Herlina Napitupulu Heru Supriyatno Hierdawati, Trie Hikmat, Rohman Husna, Kulaiah Syifaul I Nyoman Anugrah Sindu Dharma I WAYAN SUDARTA Ibrahim, Ariq Rafi Ikhsan Putra Pratama Indriati Retno Palupi, Indriati Retno Irawati Irawati Irsyad Kamal Ismiyarti, Wilia Jannah, Ayu Miftahul jmb, Elibra Oktafia Juffrie, Muhammad Kamsiah Kamsiah Kartianom, Kartianom Kassymova, Gulzhaina K. Khaira Nova Khomsin, Hanif Silmi Kurnia Sari, Dita Kurniawan, Ipung Laseta, Apriyossy Lie, Lie Sioe Lukmanul Hakim M. Fakhruriza Pradana, M. Fakhruriza M. Rafi M.C. Inge Hartini Madya Sulisno Mafaza Harris, Ridho Ihsan Mahbubah, Khoiro Mandasari, Jayanti Maradita, Fendy Mardinata, Erwin Marianita, Marianita Megah Andriany Meidiana Dwidiyanti Miftahul Jannah Muhammad Hasib Ardani Muhammad Nasir Muhammad Ridwan Yunus Munif, Badrul Mu’minin, Ummahatul Napitupulu, Pieter Anggiat Natalia, Fina Nopianti, Hertin Nova Adhitya Ananda Novia Budi Lestari Novita Asma Ilahi Novitasari, Ela Nugraheni, Elleona Septi Nuha, Moch. Syihabudin Nur Islamiyah, Eka Fitria Nur Setiawati Dewi Nuramaliyah, Nuramaliyah Nurasia, Nurasia Nurhamdani, Nurhamdani Nurjihadi, Muhammad Nurwijayanti Nuryani, Hanifah Sri Oktapiani, Serli Oktapiani, Sherli Ony Dwi Saputra Safariyant Paramita Lea Christanti Pardede, Timbul Pisti Cikarge, Ghia Prafianti, Rayinda Aseti Pramita, Ayu Pranata Putri, Resti Pratama, Muhamad Tris Hadi Pribad, Joko Setia Pribad Probo Hardini Puji Indriyani Pujianto, Hendri Pujiatmoko, Pujiatmoko Pujono Purnama, Yuni Purnamasari, Hetty Purnomo, Harri Purnomo, Luluk Purwiyanto, Purwiyanto Purwo Haryono Putra, Agus Putri, Andieny Mashita Putu Tessa Fadhila Radhi Ariawan Rahayu, Dyah Paminta Rahma, Tina Ayu RAHMAD DJATMIKO Rakhmadevi, Ade Galuh Ramdhani, Magfirah Aulia Ramli Ramli Rati Putriani Ratna Ani Lestari Ratnasari, Arum Rhini Fatmasari, Rhini Ridwan, Asrifia Rikhan Luhur Prasetya Riyanti Riyanti Robaniyah, Nur Rochmat, Rochmat ROSIVA ROSDIANA, SILVI Rosyada, Munaya Nikma Rozzy Aprirachman Rusdy A Siroj Rusni, Andi Saberan, Fauzi Safira, Inna Sanjani, Muhammad Rafi'i Santi Rahmawati Saptarini, Niken Saputra, Jumadil Saputri, Fifin Sarah Ulliya Setia Pribadi, Joko Setianingtyas, Anna Febrianty Setiyaningtyas, Anna Febrianty Shalihah, Nusaibah Mar’atush Sherwin Ary Busman Sidik Awaludin Sinambela, Angela Natalia Sindoro, Pujiastuti Liza Siska Ayu Wulandari, Siska Ayu Siswoyo Siswoyo Sodikin, Jenal Solly Aryza Sotlikova, Rimajon Sri Andriani Sri Nuryani, Hanifa Sri Sarwanti Suarantala, Ryan Subaktilah, Yani Suciati Rahayu Widyastuti Sudarmo, Agnes Puspitasari Sudodo, Yandri Sugeng Santoso Sugiarto, Aris Sugiman Sugiman Suhendro Suhendro Sukasih Ratna Widayanti Sukono Sukono Sulardjo . Sulis Janu Hartati Sumanto Sumanto Sumardiono, Arif Supratikno, Supratikno Supriyono Supriyono Suranto, Much Suroyo Suroyo Suryani, Isti Susanti , Hera Suwandi Suwandi Syafa‘at, Husna Endry Tasari, Tasari TOIFUR, IMAM Tri Nur Kristina Tri Raharjo Triardianto, Dimas Trigantara, Regista Tuanaya, Rugaya Ummu Hany Almasitoh Vaoria, Tafuzi Wardana, Muhammad Ibnusyam Widodo, Anung Widya Aryadi Wiji Raharjo Winirsya Apriliyanti, Mulia Wirentake Yanti Setianti Yatini, Y Yuni Utami Zaenurrohman Zaenurrohman Zaenurrohman, Zaenurrohman Zayni, Zayni Zulkieflimansyah Zulkieflimansyah ‪Arlina Dhian Sulistyowati‬