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All Journal INOVTEK POLBENG International Journal of Marine Engineering Innovation and Research Journal of Safety, Health, and Environmental Engineering Jurnal Cakrawala Maritim Proceedings Conference on Marine Engineering and its Application PROCEEDINGS CONFERENCE ON DESIGN AND MANUFACTURE AND ITS APPLICATION
Priyo Agus Setiawan
Politeknik Perkapalan Negeri Surabaya
Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Transportation

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KAJIAN EKSPERIMEN PENGARUH PEMASANGAN SILINDER SIRKULAR DENGAN DIAMETER SILINDER 16 CM DAN JARAK 20 CM PADA SISI ADVANCING BLADE TURBIN AIR SAVONIUS Deni Purnanto; Subagio Soim; Priyo Agus Setiawan
Proceedings Conference on Marine Engineering and its Application Vol 3 No 1 (2020): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

Savonius turbine for the first time was founded by Sigurd Johannes Savonius in 1922. This turbine hasvertical axis and half-round shaped on each side of blades and like an “S”. This turbine aslo called as drag turbinebecause it need drag force on its blades to whirling the turbine. Many research were done to increasing theperfomance of this turbine and one of them was using deflector plate in front of the turbine. On this experiment,the method is using distance and diameter of circular cylinder variations. The turbine for this experiment usingmyring equation with n=1 for the blades shape. Dimension of the turbine is 400 mm in height and 400 mm indiameter. The diameter of circular cylinder (ds) is 16 cm and the distance (A) is 20 cm used in this experiment.The result obtained in this experiment showing that the highest value of Ct is 0,3038 at TSR 0,633 with increasedpercentage is 7,955%. The highest Cp value is 0,1924 at TSR 0,633 with increased percentage is 20,828%.
KAJIAN NUMERIK PENGARUH VARIASI SUDUT STAGGER DAN DIAMETER SILINDER SIRKULAR DI SISI ADVANCING BLADE TERHADAP KINERJA TURBIN AIR SAVONIUS BERSUDU KOMBINASI MYRING N=1 DAN N=2 Firdaus Styo Fathoni; Priyo Agus Setiawan; Daisy Dwijati K.R.A
Proceedings Conference on Marine Engineering and its Application Vol 3 No 1 (2020): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

Indonesia has a great potential to use water currents as an energy source that can be convertedinto electricity. Savonius water turbines can be used as its solution to make it. Its performance can be improvedby modifying its combined blades with myring n=1 and n=2 and also by adding a circular cylinder on it. TheComputational Fluid Dynamics (CFD) method with Ansys 17.2-Fluent and Tecplot software are chosen and usedfor its flow characteristics study produced by the turbine. Gambit software is also used to create geometry anddomain models. The boundary condition of the model include the inlet as the input properties area with an initialvelocity of 0.22 m/s as analysis limitation of control surface on the test model. The modification include the useof combined blade with myring n=1 and n=2. One circular cylinder is added in front of the advancing blade sothat the flow velocity will be higher and its efficiency can be increased. Circular cylindrical diameters are variousi.e. ds/D=0.2; 0.3 and 0.4 with 0?, 30? and 60? stagger elevation angles. The results obtained from this researchare the values of torque coefficient (Cm), power coefficient (Cp), pressure distribution and fluid flowcharacteristics. Turbine performance has the highest increase (35.86%) on ds/D =0.4 with 60? stagger elevationangle variation. The greatest decrease (30.11%) occured on ds/D=0.4 0? stagger elevation angle variation withoutusing circular cylinder.
Kajian Ekperimen Pengaruh Pemasangan Silinder Sirkular Bervariasi Diameter dengan Posisi X/D = 0.5 dan Y/D = 0.7 pada Sisi Advancing Blade Terhadap Performa Turbin Air Savonius Difa Falahudin; Priyo Agus Setiawan; Arie Indartono
Proceedings Conference on Marine Engineering and its Application Vol 3 No 1 (2020): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

Savonius water turbine has the opportunity to be developed. An innovation is needed toimprove the performance of savonius water turbines. An experimental study on the effect of installing acircular cylinder with varying diameters on the advancing blade side of the savonius water turbineperformance needs to be carried out. The experiment used savonius water turbine myring n = 1 andmyring n = 2 with a diameter and rotor height of 40 cm each. Circular cylinder diameter variations usedare ds/D=0.2, ds/D=0.3, and ds/D=0.4. Circular cylinder is positioned at a distance of X/D=0.5 andY/D=0.7. The result is the coefficient of torque (Ct) and the coefficient of power (Cp). In addition, thediameter of the circular cylinder that is capable of producing the best performance of Savonius waterturbines will be obtained. The results of the experiment indicate that the installation of a circular cylinderon the advancing blade can improve the performance of savonius water turbines. Variation in circularcylinder diameter ds/D=0.4 results the highest Ct and Cp values in the savonius water turbine myringn=1 and myring n=2. Myring n=1 turbine experiment shows the value of Ct obtained is 0.34 at the tipspeed ratio (TSR) of 0.73, while in myring n=2 turbine, the value of Ct obtained is 0.34 at TSR 0.49.Myring n=1 turbine experiment shows a Cp value of 0.25 at TSR 0.73 (showing an increase of 66.67%),whereas in myring n=2 turbine, the Cp value obtained is 0.16 at TSR 0.49 (showing an increase of21.43%).
ANALISA VARIASI SUDUT DAN DIAMETER STAGGER PENGHALANG PADA SISI RETURNING BLADE TERHADAP KINERJA TURBIN AIR SAVONIUS DENGAN PERSAMAAN MYRING n=1 DAN n=2 Widya Febrian Prasetia; Priyo Agus Setiawan; Pranowo Sidi
Proceedings Conference on Marine Engineering and its Application Vol 3 No 1 (2020): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

Turbin air savonius adalah jenis turbin sumbu vertikal yang mempunyai torsi awal yang tinggi dan dapat berputar pada kecepatan aliran fluida yang rendah, sehingga dapat diterapkan pada perairan di Indonesia. Turbin tersebut dapat digunakan pada aliran air untuk mengubah energi kinetik menjadi energi mekanik. Potensi tersebut akan dapat meningkatkan performa turbin. Penelitian ini akan menggunakan metode simulasi CFD (ComputationalFluid Diagram) dengan software Ansys Fluent dan mengkombinasikan dua sudu berbeda yang merupakan hasil variasi nilai (n) pada persamaan Myring n=1 dan n=2. Turbin yang akan disimulasikan memiliki ukuran tinggi 40 cm dan diameter 40 cm. Selain kecepatan arus yang digunakan sebesar 0,22 m/s. Di depan sisi returning blade, silinder sirkular dipasang sebagai pengganggu dengan variasi diameter 8 cm, 12cm, dan 16 cm yang berfungsi untuk meningkatkan performa turbin. Stagger divariasikan pada sudut 0º, 30?, 60º. Hasil yang diperoleh pada simulasi ini menunjukkan bahwa diameter stagger 16 cm dengan sudut 60? memiliki peningkatan performa tertinggi, yakni sebesar 19,9007%. Sedangkan variasi diameter stagger 16 cm dengan sudut 0? menurun sebesar 30,1087% dari turbin air savonius tanpa stagger.
Studi Numerik Pengaruh Jarak Silinder Pengganggu Pada Sisi Returning Blade Terhadap Coefficient of Power (Cp) Turbin Angin Savonius Overlap Fariz Andika Firmansyah; Priyo Agus Setiawan; Projek Priyonggo Sumangun
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2426

Abstract

The coefficient of power Savonius wind turbine improved in experimental studies that added overlap and variation in the distance of the disruptive cylinder in front of the returning blade. However, further research needs to be done to validate the experimental results. This research is in the form of a numerical study using the 3-dimensional Computational Fluid Dynamics (CFD) method. In this simulation, the solver chosen is pressure based with a transient time mode. In addition, the model used is the k-epsilon realizable model. Simulations were carried out to determine the value of the coefficient of power the turbine. The turbine has the same diameter and height of 0.4 meters with the addition of overlap. The variation in the distance of the disruptive cylinder used is S/d = 1.4; S/d = 1.7; S/d = 2 and S/d = 2.3. The final result shows that the performance of the turbine can reach the highest increase of 3.51% compared with overlapped Savonius wind turbine without cylinder at a distance of S/d = 1.7. The coefficient of power (Cp) value is 0.324 at Tip Speed Ratio 1.
Kajian Eksperimen Pengaruh Rasio Diameter Silinder Di Depan Returning Blade Turbin Angin Savonius Myring N=1 Dengan Fin Maulana Jalalluddin Safii; Priyo Agus Setiawan; Eky Novianarenti
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2438

Abstract

Savonius wind turbine have the lowest efficientcy compared to other wind turbines. Based on the previous research, additional interfering cylinder and fin to the turbine was less efficient so there is still an opportunity to improved. Based on this condition, the experimental study was carried out by adding 1 fin to each turbine blade and placing an interfering cylinder in front returning blade to determine its improvement. It aslso compared between both of them in the experimental also used the myring equation n=1. Wind turbine dimension was 40 cm and variation of interfering cylinder diameter ratio was ds/d = 0,4;0,5;0,6; and 0,7. The speed variation was 5 m/s, 6 m/s and 7 m/s. The best performance of the savonius myring n=1 wind turbine is obtained at ds/d = 0,4 at a speed of 6 m/s. The coefficient of torque (Ct) performance increase 21.47% and the coefficient of power (Cp) 89.80%
Kajian Eksperimen Pengaruh Variasi Jarak Stagger Silinder Di Depan .Returning Blade Turbin Angin Savonius Dengan Fin Type Myring N=1. Syahdan Firza Hendarto; Priyo Agus Setiawan; Daisy Dwijati Kumala
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2626

Abstract

The Savonius wind turbines convert wind energy into electrical energy. Unfortunately,these turbines have lower performance than other types of turbines. In previous research, additiondisturbance cylinder in front of the returning blade with the addition of 1 fin on the blade has beenproven to increase the performance of the turbine. Although the increase not optimal. Based on aboveproblems, and experimental study was carried out placing the fins and the interfering cylinder at thesame place and time. This experiment uses a savonius turbine with n=1 myring type fins. Turbineblade height and diameter of 40 cm. Variation of interfering cylinder distance S/d = 1.4; 1.7; 2.0; and2,3. The test uses variations in wind speed of 5 m/s; 6m/s; and 7 m/s and carried out 12 times todetermine the effect of adding interfering cylinders and fins at the turbine blades to coefficient ofpower (Cp) and the coefficient of torque (Ct). The end result shows that the best performanceimprovement the savonius wind turbine occurs in variation the interfering cylinder distance ratio S/d= 1.4 at a wind speed of 6 m/s. The increase in the coefficient of torque.(Ct) is 15.01% and coefficientof power (Cp) is 89.95% for turbines without interfering cylinders.......
KAJIAN EKSPERIMEN KINERJA TURBIN ANGIN SAVONIUS SUDU OVERLAP BERPROFIL MYRING n=1 DENGAN VARIASI SUDUT STAGGER SILINDER DI DEPAN SUDU RETURNING Aditya Yuta Prawiratama; Priyo Agus Setiawan; Emie Santoso
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2633

Abstract

The previous Savonius wind turbine studies have proved that overlap modifications to conventional blades can improve turbine performance. With these conventional blades, the performance is less optimum because the drag force generated by turbine's rotation is still high. Based on this condition, this experiment is conducted by modifying Savonius wind turbine with overlap blades using Myring equation n = 1. Its blade profile is made half-elliptical to reduce drag force. Diameter and height of the turbine are 400 mm with 0.3 overlap ratio. The ratio of cylinder diameter (ds/D) is 0.4, and the ratio of cylinder center distance (S/d) is 1.7. Experiments are conducted by varying stagger angles of circular cylinder in front of returning blade i.e 45°, 50°, 55°, and 60°. Its wind speed variations are 5 m/s, 6 m/s, and 7 m/s. The final results show that the best performance improvement of the turbine occurs at 60° stagger angle and 6 m/s wind speed. The increase in torque coefficient is 4.95% and power coefficient is 20.16% to overlap Savonius wind turbine with myring n = 1 with no circular cylinder
Kajian Eksperimen Pengaruh Sudut Stagger Silinder Di Depan Returning Blade Terhadap Coefficient Of Power Turbin Angin Savonius Sudu Fin Dengan Profile Blade Myring n=1 Billy Yanuar Saputro; Emie Santoso; Priyo Agus Setiawan
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2662

Abstract

Savonius wind turbines are widely used for wind energy utilization eventhough theirperformance is considered lower than other types of turbines. In 3 previous studies, additionaldisturbance cylinder in front of returning blade and additional fin on blade could improve the turbineperformance but the increase was not optimum. Based on these problems, this experimental study usedone additional fin type myring n = 1 on the blade. Circular cylinders have a distance ratio of 340 mm,with various airspeed of 7 m/s, 6 m/s, 5 m/s, and various cylinder angles of 45°, 50°, 55°, 60°. Theexperiment was performed 12 times to determine the effect to coefficient of power (Cp) and coefficientof torque (Ct). The turbine best performance is obtained at a cylinder angle of 60° and a wind speed of6 m/s. The results are 0.394 for coefficient of power (Cp) and 0.688
Simulasi Numerik Pengaruh Variasi Sudut Silinder Sirkular di Depan Returning Blade Terhadap Performa Turbin Angin Savonius Overlap Naffatsa Alza Wiyoga; Priyo Agus Setiawan; Emie Santoso
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2678

Abstract

Previous experiment has been carried out on Savonius wind turbine with additionaloverlap ratio and variation of circular cylinder stagger angle to improve its performance.However, the experiment didn’t show flow visualization around the turbine. Therefore,numerical simulation using Computational Fluid Dynamics (CFD) method must be carried outto validate the experiment result and obtain the best performance and flow visualization ofoverlap Savonius wind turbine. The turbine simulated has an overlap ratio of 0,3. Then, thecircular cylinder is placed in front of returning blade with a distance ratio (S/d) 1.7 andvarious stagger angle of 45 ?, 50 ?, 55 ? and 60 ?. The flow velocity used is 5 m/s. Turbulencemodel used in this simulation is k-epsilon realizable with transient pressure based. The finalresult is overlap Savonius wind turbine with circular cylinder has increased its performance of31,56 % compared with overlap Savonius wind turbine without circular cylinder. The bestperformance occurs at 55 ? circular cylinder stagger angle in front of returning blade with0,4118 Coefficient of Power (Cp) value. The flow visualization shows that 55 ? circular cylinderstagger angle is able to create the most optimum nozzle effect.
Co-Authors Adi Wirawan Husodo Aditya Yuta Prawiratama Aisyah Diva Alfin Ardianto Alfin Ardianto Am Maisarah Disrinama Aminatus Sa’diyah Anindita, Galih Antariksih, Daisy D. K. R. Antariksih, Daisy D. K. R. Antoko, Bambang Antoko, Bambang Arie Indartono Ariwiyono, Nopem Ariwiyono, Nopem Arizona Pradhika Raqih Ayomi Nur Laili Billy Yanuar Saputro Burniadi Moballa Daisy Dwijati K.R.A Daisy Dwijati Kumala Daisy KRA Defi Ramdani Wira Buana Deni Purnanto Difa Falahudin E. Kusuma, George Eky Novianarenti Eky Novianarenti Fariz Andika Firmansyah Fariz Andika Firmansyah Firdaus Styo Fathoni Heroe Poernomo Imah Luluk Indarti, Rini Invinandri Joko Kusuma, George Endri Lukitadi, Projek P. S. Lukitadi, Projek P. S. Lukitadi, Projek Priyonggo Sumangun Luqman Arif Nurudin M. Hilmy Syahfata M. Munir, Mohammad Maulana Jalalluddin Safii May T Mubarokah Mey Rohma Mohamad Hakam Mokhamad Prayitno Mulya, Mirza Z. I. Naffatsa Alza Wiyoga Nopem Ariwiyono Nopem Ariwiyono, Bachtiar Nur Budiyanto Ekky Pranowo Sidi Prasojo, Budi Projek Priyonggo Sumangun Lukitadi Puruhitno Pambudi Rohimawan Purwanti, Endang P. Rachmat, Aulia Nadia Ramadani, Tarikh A. Ryandika Aditya Pramanta Santoso, Emie Santoso, Emie Santoso, Mardi Sa’diyah, Aminatus Soim, Subagio Suantara Darma Gede Subagio Soim Subagio Soim Sudiyono Sudiyono Syahdan Firza Hendarto Tri Andi Setiawan Tri Dayanti Widya Febrian Prasetia Yuanditma Pranaja Kastara M