Adzany, Alwa Jamal (2024) Studi Ekperimen Perbandingan Variasi Diameter Runner Pada Berbagai Debit Aliran Terhadap Peforma Water Vortex Turbine. Diploma thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Listrik saat ini menjadi sumber energi yang sangat penting bagi masyarakat. Namun, pembangkit listrik di Indonesia sebagian besar bergantung pada energi fosil, yang memiliki efek negatif terhadap lingkungan. Indonesia memiliki potensi untuk mengembangkan energi terbarukan, salah satunya dari sumber energi mikrohidro. Energi mikrohidro dapat dimanfaatkan dengan menggunakan turbin putar kecil sebagai pembangkit listrik, yang tidak membutuhkan kapasitas yang besar dan dapat menghasilkan daya antara 5 - 100 KW
Dalam penelitian proyek akhir ini, metode uji eksperimen digunakan untuk menentukan nilai intensitas aliran vortex dan peforma water turbine vortex. Tahap-tahapan yang dilakukan dalam proyek akhir ini adalah sebagai berikut: 1. proses desain dan manufaktur, 2. pengumpulan data tentang water turbine vortex dan 3. analisis perhitungan dan grafik intensitas aliran vortex serta peforma. Alat yang diuji adalah turbin vortex yang menggunakan basin concave conical dengan inlet 20o. Ada tiga ukuran runner yang digunakan pada ekperimen kali ini, yaitu 300 mm, 350 mm, dan 400 mm, dan blade stagger curve memiliki sudut 0o.
Kesimpulan dari eksperimen ini runner dengan variasi diameter 350 mm memiliki peforma paling bagus dimana menghasilkan nilai effisiensi dan daya air tertinggi pada debit 500 lpm dibanding dua variasi diameter runner lainnya, nilai effisiensi yang didapat yaitu 26,91% dengan daya turbin yang dihasilkan yaitu 6,55. Selanjutnya peringkat kedua runner dengan variasi diameter 400 mm dengan nilai effisiensi tertinggi 24,55% dengan daya turbin 6,02 Watt dan yang terakhir runner dengan variasi diameter 300 mm menghasilkan nilai effisiensi 23,92% dengan daya turbin 5,81 Watt.
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Electricity is currently a very important energy source for society. However, power generation in Indonesia mostly relies on fossil energy, which has negative effects on the environment. Indonesia has the potential to develop renewable energy, one of which is from micro-hydro energy sources. Micro-hydro energy can be utilized by using small rotary turbines for power generation, which do not require large capacities and can generate power between 5 - 100 KW.
In this final project research, experimental test methods are used to determine the vortex flow intensity and the performance of the vortex water turbine. The stages carried out in this final project are as follows: 1. the design and manufacturing process, 2. data collection on the vortex water turbine, and 3. analysis of vortex flow intensity and performance calculations and graphs. The tested equipment is a vortex turbine using a concave conical basin with a 20° inlet. Three runner sizes are used in this experiment, namely 300 mm, 350 mm, and 400 mm, and the blade stagger curve has an angle of 0°.
Conclusion of this experiment shows that the runner with a diameter variation of 350 mm has the best performance, producing the highest efficiency and water power at a flow rate of 500 lpm compared to the other two runner diameter variations. The efficiency achieved is 26.91% with a turbine power output of 6.55 Watts. Next, the second-best performer is the runner with a diameter variation of 400 mm, with a maximum efficiency of 24.55% and a turbine power output of 6.02 Watts. Lastly, the runner with a diameter variation of 300 mm produces an efficiency of 23.92% with a turbine power output of 5.81 Watts.
| Item Type: | Thesis (Diploma) |
|---|---|
| Uncontrolled Keywords: | Kata Kunci : Water Turbine Vortex, Rasio diameter runner, Variasi Debit, Performa Turbin ============================================================ Keywords : Water Turbine Vortex, Runner diameter ratio, Discharge Variation, Turbine Performance |
| Subjects: | T Technology > TJ Mechanical engineering and machinery > TJ266 Turbines. Turbomachines (General) T Technology > TJ Mechanical engineering and machinery > TJ808 Renewable energy sources. Energy harvesting. |
| Divisions: | Faculty of Vocational > Mechanical Industrial Engineering (D4) |
| Depositing User: | Alwa Jamal Adzany |
| Date Deposited: | 12 Aug 2024 08:13 |
| Last Modified: | 12 Aug 2024 08:13 |
| URI: | http://repository.its.ac.id/id/eprint/115167 |
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