Pengaruh Perubahan Debit Aliran Terhadap Putaran Turbin Banki dan Kaplan

Purwantono, Purwantono; Syahrul, Syahrul; Adri, Junil

doi:10.24036/invotek.v18i1.173

Cited by 3 publications

(4 citation statements)

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“…Runner yang berputar disambungkan dengan poros, puli dan v-belt dan akan ditransmisikan ke generator listrik. Air yang masuk kedalam runner akan keluar melalui saluran pembuang dan masih mempunyai kecepatan, yang artinya tidak semua diserap oleh runner turbin [14].…”

Section: Turbin Airunclassified

“…jari-jari kelengkungan Sudu dapat dicari dengan menggunakan persamaan (11). ρ = 0,3261 𝑟 1 (11) Dimana : r1 = jari-jari luar runner (in) Jarak antar sudu meliputi jarak antar sudu pancaran air masuk (s1), jarak sudu pancaran air keluar (s2) dan jarak antar sudu (t) dapat dicari dengan menggunakan persamaan (12,13,14).…”

Section: 𝐻𝑒 = 𝐻 -𝐻𝐿 (𝑚𝑎𝑦𝑜𝑟)unclassified

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Comparative Study of Numerical and Experimental Analysis of Micro Hydro Power Plant in Nagari Koto Hilalang Solok Regency

et al. 2022

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Indonesia has the potential to produce large amounts of electrical energy by utilizing sustainable energy, especially water energy. There are still many areas that are far from urban areas that do not have electricity, especially remote areas. One of them is Nagari Koto Hilalang, Solok Regency, which has built a Micro Hydro Power Plant (PLTMH). The purpose of this research was to determine the capacity and potential of PLTMH in Nagari through simulation. This research uses the Computational Fluid Dynamics (CFD) simulation method with the Ansys Fluent 2021 R2 Student Version software. The magnitude velocity simulation values for the inlet velocity 12.44 m/s, 13.28 m/s, and 13.65 m/s produce different maximum values for the runner. The resulting torque has a value of 110.5 Nm. The exact output power generated by the Ansys simulation has a value of 10.78 kW. The efficiency of the turbine with a power of 10.78 kW obtained from the simulation results is 66%. Indonesia memiliki potensi untuk menghasilkan energi listrik yang besar dengan memanfaatkan energi yang berkelanjutan terutama energi air. Masih banyak daerah yang jauh dari perkotaan belum teraliri oleh listrik terutama daerah terpencil. Salah satunya Nagari Koto Hilalang, Kabupaten Solok yang sudah dibangun Pembangkit Listrik Tenaga Mikro Hidro (PLTMH). Tujuan dari penelitian ini adalah untuk mengetahui kapasitas dan potensi PLTMH yang ada di nagari tersebut melalui simulasi. Penelitian ini menggunakan metode simulasi Computational Fluid Dynamics (CFD) dengan software Ansys Fluent 2021 R2 Student Version. Nilai simulasi kecepatan magnitude untuk velocity inlet 12,44 m/s, 13,28 m/s dan 13,65 m/s menghasilkan nilai maksimum yang berbeda pada runner. Torsi yang dihasilkan memiliki nilai 110,5 Nm. Daya luaran yang tepat yang dihasilkan oleh simulasi Ansys memiliki nilai 10,78 kW. Efisiensi pada turbin dengan daya 10,78 kW yang didapat dari hasil simulasi yaitu 66%.

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Section: Turbin Airunclassified

Section: 𝐻𝑒 = 𝐻 -𝐻𝐿 (𝑚𝑎𝑦𝑜𝑟)unclassified

Comparative Study of Numerical and Experimental Analysis of Micro Hydro Power Plant in Nagari Koto Hilalang Solok Regency

et al. 2022

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“…Determination of the type of turbine used in the design must pay attention to the two most influential design parameters, namely the amount of water discharge and the height of falling water [1]. The selection of cross-flow turbines that can be used at high falls of 3-200m and Kaplan at 3-50m feels suitable to be the object of research [8].…”

Section: Introductionmentioning

confidence: 99%

“…The selection of cross-flow turbines that can be used at high falls of 3-200m and Kaplan at 3-50m feels suitable to be the object of research [8]. The characteristics of high fall and water discharge in the Indonesian mountains are categorized at low and medium height and relatively large and medium discharge [1]. By considering these factors, the author will try to simulate the flow of a turbine prototype that is expected to provide input in the development of a type of combination turbine to get better performance.…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of Fluid Flow on Cross Flow and Kaplan Turbine Prototype

et al. 2018

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Based on previous research conducted by Purwantono about the utilization of exhaust flow from a conventional cross-flow turbine prototype that was used as an inlet of tubin Kaplan [1]. This research was carried out to see how the exhaust flow velocity of each tubin before and after was combined into one combination turbine. This numerical based study uses the Ansys 18.0 application by inputting a 3D design from a conventional turbine prototype which was used as the material for this study. The results obtained in this study show the average of outlet velocity in the Kaplan turbine that uses a velocity outlet from a cross flow turbine of 0.3 m / s greater when it is combined, which is 8.33 m / s and after being combined to 0.38 m / s. The results of this study are expected to contribute to the development of conventional turbines later

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Performance test of Pikohidro Cross flow Water Turbine using multilevel double penstock

Purwantono¹,

Amin²,

Aziz³

et al. 2019

Teknomekanik

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This study aims to examine the performance of pico hydro scale cross flow water turbines using multilevel double penstock as a conductor of water flow. Multilevel double penstock is used to reduce the transportation process from highways that are affordable to four-wheeled vehicles / cars to the location of the installation of the turbine. This condition causes the need for small-scale water turbine designs with lightweight construction with a kock down system. Overall the picohidro scale turbine construction is needed relatively cheaper transportation costs, so that people who have not been reached by the PLN network can be touched by small and cheap electricity. Turbine construction data has a runner diameter of 170 mm, body dimensions 200 mm x 300 mm x 250 mm, frame 250 mm x 800 mm. Pool tando 600 mm x 1200 mm and penstock length 16m. The power produced is theoretically around 2500 watts, with a data flow of 50 liters / second and a water level of 8 m. 65% efficiency. The research method is analyzing the double penstock water flow, by making paralon pipes in stages, ranging from 5 incci diameter, 4 inches and 3 inches, flow analysis approach using a gradient line, where the incoming water velocity and water velocity come out until entering the transmitting pipe. The performance results of this turbine provide an average actual power of up to 2000 watts. The stability of the inlet water condition is used by the Tando pond as a water bath. If there is excess water in the sediment tank, the water gate is used out, where excess water will automatically flow into the exhaust channel.

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Pengaruh Perubahan Debit Aliran Terhadap Putaran Turbin Banki dan Kaplan

Cited by 3 publications

References 0 publications

Comparative Study of Numerical and Experimental Analysis of Micro Hydro Power Plant in Nagari Koto Hilalang Solok Regency

Comparative Study of Numerical and Experimental Analysis of Micro Hydro Power Plant in Nagari Koto Hilalang Solok Regency

Numerical Analysis of Fluid Flow on Cross Flow and Kaplan Turbine Prototype

Performance test of Pikohidro Cross flow Water Turbine using multilevel double penstock

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