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All Journal JURNAL TEKNOLOGI LINGKUNGAN Rekayasa Mesin World Chemical Engineering Journal JURNAL INTEGRASI PROSES Teknika: Jurnal Sains dan Teknologi Prosiding Semnastek Chimica et Natura Acta Jurnal Ilmiah Wahana Pendidikan Jurnal Teknologi Lingkungan Jurnal Pengabdian Dinamika Journal of Systems Engineering and Management JURNAL REKAYASA KIMIA & LINGKUNGAN
Rahmayetty Rahmayetty
Jurusan Teknik Kimia, Fakultas Teknik, Universitas Sultan Ageng Tirtayasa
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Journal : Rekayasa Mesin

 1 
OBSERVASI PENURUNAN TEKANAN (PRESSURE DROP) PADA SISTEM PERPIPAAN: PENGARUH PANJANG DAN DIAMETER PIPA, ELBOW, DAN TEE Nuryoto, Nuryoto; Rahmayetty, Rahmayetty; Yusuf Rumbino; Astrilia Damayanti; Doni Rahmat Wicakso
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1666

Abstract

The piping system is a fundamental process equipment in the industry. The phenomena that occur in piping systems vary depending on the conditions of the pipes and the fluids flowing through them. Therefore, research related to piping systems requires attention to minimize and understand the occurring phenomena. There have been many studies related to piping analysis, but what sets this research apart from previous studies is that it focuses on examining the contribution of each component of the piping system to friction loss-pressure drop. Furthermore, the data obtained is used to determine the deviation or difference between experimental data and theoretical calculations. This research aims to study the correlation between friction loss and pressure drop in piping systems (including pipes, elbows, and tees) and to determine the extent of deviation between theoretical calculations and actual conditions, as well as to understand the trend of such deviations. Results show that as the length of the pipe increases, there is an increase in pressure drop, especially for pipe lengths of 0.6, 0.8, and 1.4 meters, the values are 275.26, 367.0, and 642.27 Pa over density, respectively. Conversely, as the pipe diameter increases, the resulting pressure drop becomes smaller, namely for pipe diameters of 0.5, 0.75, and 1.25 inches, the values are 266.64, 93.33, and 13.33 Pa over density, respectively. In the observation of the influence of fittings, it is shown that the pressure drop generated by elbows is greater than that of tees, with values of 26.66 and 13.33 Pa over density, respectively. When calculating the percentage deviation, there is a tendency for longer pipes and larger diameters will increase the percentage of deviation. For pipe lengths of 0.4, 0.6, and 1.4 meters, the percentage deviations are 3.23, 10.11, and 17.50%, respectively. For variations in pipe diameter, the percentage deviations are 3.23, 41.74, and 47.15% for diameters of 0.5, 0.75, and 1.25 inches, respectively. Meanwhile, the percentage deviation for tees is greater than that of elbows, with values of 84.78% (for elbows) and 185.02% (for tees).
OBSERVASI PENURUNAN TEKANAN (PRESSURE DROP) PADA SISTEM PERPIPAAN: PENGARUH PANJANG DAN DIAMETER PIPA, ELBOW, DAN TEE Nuryoto, Nuryoto; Rahmayetty, Rahmayetty; Yusuf Rumbino; Astrilia Damayanti; Doni Rahmat Wicakso
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1666

Abstract

The piping system is a fundamental process equipment in the industry. The phenomena that occur in piping systems vary depending on the conditions of the pipes and the fluids flowing through them. Therefore, research related to piping systems requires attention to minimize and understand the occurring phenomena. There have been many studies related to piping analysis, but what sets this research apart from previous studies is that it focuses on examining the contribution of each component of the piping system to friction loss-pressure drop. Furthermore, the data obtained is used to determine the deviation or difference between experimental data and theoretical calculations. This research aims to study the correlation between friction loss and pressure drop in piping systems (including pipes, elbows, and tees) and to determine the extent of deviation between theoretical calculations and actual conditions, as well as to understand the trend of such deviations. Results show that as the length of the pipe increases, there is an increase in pressure drop, especially for pipe lengths of 0.6, 0.8, and 1.4 meters, the values are 275.26, 367.0, and 642.27 Pa over density, respectively. Conversely, as the pipe diameter increases, the resulting pressure drop becomes smaller, namely for pipe diameters of 0.5, 0.75, and 1.25 inches, the values are 266.64, 93.33, and 13.33 Pa over density, respectively. In the observation of the influence of fittings, it is shown that the pressure drop generated by elbows is greater than that of tees, with values of 26.66 and 13.33 Pa over density, respectively. When calculating the percentage deviation, there is a tendency for longer pipes and larger diameters will increase the percentage of deviation. For pipe lengths of 0.4, 0.6, and 1.4 meters, the percentage deviations are 3.23, 10.11, and 17.50%, respectively. For variations in pipe diameter, the percentage deviations are 3.23, 41.74, and 47.15% for diameters of 0.5, 0.75, and 1.25 inches, respectively. Meanwhile, the percentage deviation for tees is greater than that of elbows, with values of 84.78% (for elbows) and 185.02% (for tees).
CO2 CAPTURE USING DISSOLVED AMMONIA (NH4OH) - ARTICLE REVIEW Nuryoto, Nuryoto; Demustila, Harly; Rahmayetty, Rahmayetty
Jurnal Rekayasa Mesin Vol. 16 No. 3 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/

Abstract

The rise in carbon dioxide (CO₂) emissions has accelerated efforts to develop environmentally sustainable alternative carbon capture and utilization technologies. Among the promising approaches is the use of ammonium hydroxide (NH₄OH) for CO₂ capture. The objective of this study is to systematically investigate the influence of CO₂ flow rate, temperature, pH, NH₄OH concentration, and stirring speed on the performance of CO₂ capture, as determined through a comprehensive literature review. The review findings demonstrate that each of these variables plays a critical role in enhancing CO₂ capture efficiency, as evidenced by the increased percentage of CO₂ removed. Temperature and pH directly influence the chemical equilibrium of the reaction, whereas stirring improves the diffusion of gas into the liquid medium. The interrelated effects of these parameters highlight the necessity of adopting a systematic approach to process optimization. In conclusion, an in-depth understanding of these influencing factors is essential for the development of a robust and sustainable CO₂ capture system. It is recommended that future studies incorporate integrated experimental research, process modeling, environmental impact evaluations, and product analyses to support the scaling up of this technology for mini-plant and commercial-scale implementation.
Co-Authors Abdul Kholiq Abdullah, Muhammad Hasyim Achmad Bahauddin Achmad Syarafuddin As-syirazi Anis Fuad Anton Irawan Aryudi Reza As-syirazi, Achmad Syarafuddin Astrilia Damayanti Bambang Prasetya Bimo Martino Bobby Kurniawan D. R. Barleany Dede Fathurrahman Doni Rahmat Wicakso Dyah L. Trenggonowati Endang Suhendi, Endang Endarto Yudo Wardhono Fatah Sulaiman Gallan Kusuma Gustiana Awaludin Sobarsah Harly Demustila Hartono, Rudi Hatifah Bahrum Ika Jumantika Indar Kustiningsih Intan Fauziah Jayanudin Kanani, Nufus Makiyi, Muhammad Meri Yulvianti Misri Gozan Muhammad Triyogo Adiwibowo Nadia Kartika Sari Nufus Kanani Nufus Kanani Nufus Kanani, Nufus Nurul Ukhdiya Nurwijayanti Nuryoto Putri Shaufika Nazmi Riantoro, Geraldi Rudi Hartono Sri Utami Sukirno Sukirno Syahjaya, Farhan Alif Tazkia Nuraviari Adeliana Teguh Kurniawan Vivi Anggraeni Wahyu Saptahadi Wardalia Wardalia Wardalia Wardalia, Wardalia Wardhono, Endarto Yudho Widya Ernayati Y Wardhono, Endarto Yusuf Rumbino