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All Journal Majalah Ilmiah MOMENTUM Jurnal Elementer (Elektro dan Mesin Terapan) Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming JURNAL CRANKSHAFT Motor Bakar : Jurnal Teknik Mesin Jurnal Pengabdian kepada Masyarakat Nusantara DEVICE Jurnal Profesi Insinyur Universitas Lampung J-COSCIS : Journal of Computer Science Community Service Jurnal Pengabdian Masyarakat Bhinneka STORAGE: Jurnal Ilmiah Teknik dan Ilmu Komputer Catha Saintifica Palawa Jurnal Pengabdian Kepada Masyarakat
Safi'i, Muhamad
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Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Journal : DEVICE

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TURBINE INVESTIGASI MODEL NUMERIK TURBIN REAKSI VORTEX ULTRA-LOW HEAD DENGAN MEMVARIASIKAN JUMLAH GRID DAN METODE PEMECAHAN SOLUSI Safi'i, Muhamad; Sinaga, Nazaruddin; Amin, Muhamad Shohibun
Device Vol 14 No 2 (2024): November
Publisher : Fakultas Teknik dan Ilmu Komputer (FASTIKOM) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/device.v14i2.8067

Abstract

ABSTRAK Penggunaan energi fosil yang berlebihan menyebabkan berkurangnya sumber daya energi, memicu pemanasan global, efek rumah kaca dan polusi udara sehingga energi terbarukan menjadi solusi untuk mengatasi masalah tersebut. Dengan memanfaatkan energi air dengan head yang sangat rendah pada sungai atau saluran irigasi, dalam hal ini turbin reaksi vortex ultra-low head menarik untuk dikembangkan dan diteliti lebih lanjut untuk mengetahui performanya. Penelitian dengan menggunakan CFD (Computational Fluid Dynamics) di usulkan untuk mengoptimalkan desain basin turbin dengan memvariasikan jumlah grid dan metode pemecahan solusi. Hasil penelitian menunjukkan bahwa performa turbin reaksi vortex ultra-low head dapat ditingkatkan dengan menggunakan variasi jumlah grid sebesar 513810 dengan model viscous k-ε Standard dan metode pemecahan coupled. Terbukti bahwa metode tersebut menghasilkan peningkatan nilai debit tertinggi dengan nilai 8,38 L/s dan efisiensi turbin reaksi vortex ultra-low head dengan nilai 18,54%. Oleh karena itu dapat disimpulkan bahwa model simulasi yang didapatkan ini dapat digunakan untuk melakukan perhitungan-perhitungan numerik selanjutnya. Kata Kunci : Grid, Turbin, Vortex. ABSTRACT Excessive use of fossil energy causes a reduction in energy resources, triggers global warming, the greenhouse effect and air pollution, so renewable energy is a solution to overcome these problems. By utilizing water energy with a very low head in rivers or irrigation canals, in this case the ultra-low head vortex reaction turbine is interesting to develop and research further to determine its performance. Research using CFD (Computational Fluid Dynamics) is proposed to optimize the turbine basin design by varying the number of grids and solution solving methods. The research results show that the performance of the ultra-low head vortex reaction turbine can be improved by using variations in the number of grids of 513810 with the Standard k-ε viscous model and the coupled splitting method. It was proven that this method resulted in the highest increase in discharge value with a value of 8.38 L/s and ultra-low head vortex reaction turbine efficiency with a value of 18.54%. Therefore it can be concluded that the model. Keywords: Grid, Turbine, Vortex.
KAJI EKSPERIMEN DAN SIMULASI PENGARUH SUDUT DOUBLE SEGMENTAL BAFFLE DAN LAJU ALIRAN FLUIDA PADA HEAT EXCHANGER JENIS SHELL AND TUBE PADA MESIN MAIN EXTRUDER TERHADAP KEBAIKAN PERPINDAHAN PANAS Safi'i, Muhamad; Suheri Kertosenjoyo2, Suheri; Nugroho, Agung; Susanto, Susanto; Farhan Putra Arya, M. Iqbal; Heriyani, Oktarina; Effendi, Yafid
Device Vol 14 No 1 (2024): Mei
Publisher : Fakultas Teknik dan Ilmu Komputer (FASTIKOM) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/device.v14i1.6989

Abstract

Shell and Tube Heat Exchanger (STHX) is very important for its use in the industrial world which can support the continuity and success of the entire network process. Various kinds of research have been carried out to increase the heat transfer coefficient and effectiveness of Shell and Tube Heat Exchangers (STHX) both experimentally and by simulation. This research examines the increase in heat change coefficient and effectiveness of STHX with variations in baffle angles of 0°, 10°, and 20° with fluid mass flow rates of 2, 4, and 6 kg/s. As a result, STHX with a baffle angle of 0° has the largest heat change coefficient value than STHX with a baffle angle of 10° and 20° both during experiment and simulation, values ​​ranging from 4218 W/m²C and 4226 W/m²C at a baffle angle of 0° when the fluid flow rate is increased to 6 kg/s. Keywords: Shell and Tube Heat Exchanger, baffle angle configuration, double segmental baffle, total heat transfer coefficient, effectiveness, CFD (Computational Fluid Dynamics).
TURBINE INVESTIGASI MODEL NUMERIK TURBIN REAKSI VORTEX ULTRA-LOW HEAD DENGAN MEMVARIASIKAN JUMLAH GRID DAN METODE PEMECAHAN SOLUSI Safi'i, Muhamad; Sinaga, Nazaruddin; Amin, Muhamad Shohibun
Device Vol 14 No 2 (2024): November
Publisher : Fakultas Teknik dan Ilmu Komputer (FASTIKOM) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/device.v14i2.8067

Abstract

ABSTRAK Penggunaan energi fosil yang berlebihan menyebabkan berkurangnya sumber daya energi, memicu pemanasan global, efek rumah kaca dan polusi udara sehingga energi terbarukan menjadi solusi untuk mengatasi masalah tersebut. Dengan memanfaatkan energi air dengan head yang sangat rendah pada sungai atau saluran irigasi, dalam hal ini turbin reaksi vortex ultra-low head menarik untuk dikembangkan dan diteliti lebih lanjut untuk mengetahui performanya. Penelitian dengan menggunakan CFD (Computational Fluid Dynamics) di usulkan untuk mengoptimalkan desain basin turbin dengan memvariasikan jumlah grid dan metode pemecahan solusi. Hasil penelitian menunjukkan bahwa performa turbin reaksi vortex ultra-low head dapat ditingkatkan dengan menggunakan variasi jumlah grid sebesar 513810 dengan model viscous k-ε Standard dan metode pemecahan coupled. Terbukti bahwa metode tersebut menghasilkan peningkatan nilai debit tertinggi dengan nilai 8,38 L/s dan efisiensi turbin reaksi vortex ultra-low head dengan nilai 18,54%. Oleh karena itu dapat disimpulkan bahwa model simulasi yang didapatkan ini dapat digunakan untuk melakukan perhitungan-perhitungan numerik selanjutnya. Kata Kunci : Grid, Turbin, Vortex. ABSTRACT Excessive use of fossil energy causes a reduction in energy resources, triggers global warming, the greenhouse effect and air pollution, so renewable energy is a solution to overcome these problems. By utilizing water energy with a very low head in rivers or irrigation canals, in this case the ultra-low head vortex reaction turbine is interesting to develop and research further to determine its performance. Research using CFD (Computational Fluid Dynamics) is proposed to optimize the turbine basin design by varying the number of grids and solution solving methods. The research results show that the performance of the ultra-low head vortex reaction turbine can be improved by using variations in the number of grids of 513810 with the Standard k-ε viscous model and the coupled splitting method. It was proven that this method resulted in the highest increase in discharge value with a value of 8.38 L/s and ultra-low head vortex reaction turbine efficiency with a value of 18.54%. Therefore it can be concluded that the model. Keywords: Grid, Turbine, Vortex.
Co-Authors Adi Nugroho, Rizki Agus Mukhtar Ahmad Ramdhani, Ahmad Ahmad Subhan Yazid Alam, Bagus Aditama Amin, Muhamad Shohibun Andi Ibrahim Soumi Androva, Althesa Ashar, Ilham Ariawan Budiono, Herru Santosa Burhanuddin, Aan Digdoyo, Aji Dita Danianti Eflita Yohana Fahmi, Muhamad Idrokul Fahmi, Muhammad Idrokul Farhan Putra Arya, M. Iqbal Febriandyono, Muhammad Faesal Hendri Adi, Novi HERMAWAN Hutomo Jiwo Satrio Ibrahim Soumi, Andi Idrokul Fahmi, Muhamad Isdhianto, Irfan Jayawarsa, A.A. Ketut Joko Sumbogo, Yuliarto Juli Saputra, Muhamad Khoirunnisa, Martha Kun Suharno Margono Margono Maulana Rozaki, Syahrul Maulana, Dendy Ma’mun, Hisyam Muchamad Malik Muhammad Budi Haryono Muhammad, Rouf Nazaruddin Sinaga Nugroho, Agung Nugroho, Cahyo Hadi Nurkhalis, Yahdi Eka Oktarina Heriyani Pangestu, Anugrah Widhi Pramuntadi, Andri Pranata, Dwi Yan Damar Arya Putra Arya, Muhammad Iqbal Farhan Ramadan, Hamdan RAMADHAN NUR, HAMID Ramadhan, Hamdan Rizki Bintoro, Sefrian Rizki Dwi Ardika Rozaki, Syahrul Maulana Saputra, Muhamad Juli Saputra, Muhammad Juli Sugiyarto Suheri Suheri Kertosenjoyo2, Suheri Susanto Susanto Susanto Susanto Tabah Priangkoso Tri Widodo Besar Riyadi Wahda Wahdi, Yera Wardatul Jannah, Wardatul Wibi Pramanda Widyantoro, Arif Yafid Effendi Yunesman