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All Journal Rotasi Semesta Teknika KAREBA : Jurnal Ilmu Komunikasi JMPM (Jurnal Material dan Proses Manufaktur) Turbo : Jurnal Program Studi Teknik Mesin Chemistry Indonesian Journal of Chemical Research Iqtishoduna: Jurnal Ekonomi Islam Humantech : Jurnal Ilmiah Multidisiplin Indonesia Eksergi: Jurnal Teknik Energi
Muhammad Nadjib, Muhammad
Universitas Muhammadiyah Yogyakarta
Religion Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mechanical Engineering Public Health

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Design and Analysis of Venturi Microbubble Generator Using Computational Fluid Dynamics Thoharudin, Thoharudin; Sunardi, Sunardi; Yudha, Fitroh Anugrah Kusuma; Nadjib, Muhammad; Nugroho, Arif Setyo
Eksergi Vol. 19 No. 2 (2023): MAY 2023
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v19i2.4305

Abstract

The necessity for dissolved oxygen in water is crucial for the survival and growth of aquatic organisms, particularly tilapia. Seventy-five percent of tilapia will die if there is insufficient dissolved oxygen in the water. This work seeks to develop a venturi bubble-generating technique to combat the scarcity of dissolved oxygen in the water. A floating pump with a capacity of 12 m3/hour was selected as the medium for distributing water and generating vacuum pressure to draw in air for mixing with the water flow in the venturi. Ansys Fluent was used to model piping and venturi systems. The piping system was modeled with a single-phase (water) flow at a steady state, whereas the flow in the venturi was modeled with a multiphase (air and water) flow under transient situations. The simulation findings revealed that the pressure drop at the 90-degree elbow was much greater (27.17 kPa) than that at the 45-degree elbow (16.53 kPa). A 1-inch input diameter venturi produced bubbles with an average diameter of 105 µm, whereas a ½  inch venturi bubble generator produced bubbles with an average diameter of 83 µm. Owing to the numerous advantages of adopting a six-outlet piping system with a ½ inch venturi, this design is recommended for floating pumps with a capacity of 12 m3/h.
Co-Authors A.A. Ketut Agung Cahyawan W Aji, Yogi Purnomo Andi Alimuddin Unde, Andi Alimuddin Andi Batari Alimuddin, Andi Batari Andi Muhammad Rajanuddin, Andi Muhammad Andi Rivai Beta, Andi Rivai Anggara, Fajar Apriyanto, Apriyanto Arif Setyo Nugroho Asfah Rahman, Asfah Ayatullah, Maulana Wahyu Bambang Riyanta, Bambang Caroko, Novi Darmawan, Hanifan Decy Wahyuni, Decy Djabir Hamzah, Djabir Eka Mardariyanti, Eka Erna Areks, Erna Hafied Cangara, Hafied Hidayat, Yaafi Ihsan Ihsan Kenny Monica Kemal Putri, Kenny Monica Kemal Kusuma Yudha, Fitroh Anugrah Majduddin, Muhammad Mariono, Mariono Maya Sari Muhammad Farid Mustati Mustati, Mustati Nevi Danila Nolvy Ruata, Nolvy Nur Asnawi Pambudi, M. Anugrah Rizky Pathur Razi Ansyah Prayogo, Nanda Rahmad Arsyad, Rahmad Ratna Ediati Santosa, Tito Hadji Agung Suhanan Suhanan, Suhanan Sunardi Sunardi Susetyorini, Jurit Tri Suyono, Warsito Kabul Thoharudin, Thoharudin Wahyudi Wahyudi Yati BT Samsuddin Yudha, Fitroh Anugrah Kusuma