Reverse Engineering of Turbine Blades Kaplan’s type for Small Hydroelectric Power Station

Živković, Sanja; Čerče, Luka; Kostic, Julija; Majstorovic, Vidosav D.; Kramar, Davorin

doi:10.1016/j.procir.2018.04.037

Cited by 18 publications

(9 citation statements)

References 6 publications

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“…The reverse engineering method was used to carry out the design. Reverse engineering is the process of measurement, analysis, and testing to change the design or reconstruct an existing product [4]. It is a valuable tool in product design, as it allows us to take an existing product and improve upon it.…”

Section: Methodsmentioning

confidence: 99%

Application of The Reverse Engineering In The Modelling of A Blade and Screen In A Hammer Mill

Haq

Watnaya²,

Martini³

2024

IJIES

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PT XYZ plans to produce coconut shell briquettes. Currently, PT XYZ already has a hammer mill machine that will be used in the production process. A hammer mill machine is a machine that serves to smooth the material. Before carrying out mass production, a simulation is carried out first. The manufacture of briquettes found obstacles in the process of grinding and screening. Coconut shell charcoal that has been milled and entered is partially retained and cannot be released to proceed to the next process. The grinding result is larger than the screen size, which is 1 to 2 mm. In the manufacture of briquettes, it is expected that the grinding results are less or equal to 0.4 mm. Based on the identification of the problem, the alternative solution chosen by the researcher is to redesign the hammer mill machine, especially on the blade and screen sections. The design is done using the reverse engineering method. There are five steps in designing using this method. In the study, it was found that the second design was a suitable design to be developed because it was better than the existing state. The mill results were obtained with an average of 0.0343 mm and a grinding time of 186.807 seconds. The fineness values and the grinding process time were obtained through simulations using the EDEM 2022.1 software.

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Section: Methodsmentioning

confidence: 99%

Application of The Reverse Engineering In The Modelling of A Blade and Screen In A Hammer Mill

Haq

Watnaya²,

Martini³

2024

IJIES

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“…Because of its high discharge, the Kaplan turbine is prone to cavitation and damage to the runner blades. This is because the water pressure around the turbine is always very low [45].…”

Section: Kaplanmentioning

confidence: 99%

Common Failures in Hydraulic Kaplan Turbine Blades and Practical Solutions

2023

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Kaplan turbines, as one of the well-known hydraulic turbines, are generally utilized worldwide for low-head and high-flow conditions. Any failure in each of the turbine components can result in long-term downtime and high repair costs. In a particular case, if other parts are damaged due to the impact of the broken blades (e.g., the main shaft of the turbine), the whole power plant may be shut down. On the other hand, further research on the primary causes of failures in turbines can help improve the present failure evaluation methodologies in power plants. Hence, the main objective of this paper is to present the major causes of Kaplan turbine failures to prevent excessive damage to the equipment and provide practical solutions for them. In general, turbines are mainly subjected to both Internal Object Damage (IOD) and Foreign Object Damage (FOD). Accordingly, this paper presents a state-of-the-art review of Kaplan turbine failures related to material and physical defects, deficiencies in design, deficits in manufacturing and assembly processes, corrosion failures, fatigue failure, cavitation wear, types of cavitation in hydro turbines, hydro-abrasive problems, and hydro-erosion problems. Eventually, the authors have attempted to discuss practical hints (e.g., nanostructured coatings) to prevent damages and improve the performance of Kaplan turbines.

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“…Hal ini dapat berguna untuk meningkatkan kalor pembakaran dari semula ketika kayu langsung dibakar. Dari penelitian sebelumnya diketahui bahwa nilai High Heating Value kayu bakar apabila digunakan langsung sebagai bahan bakar adalah 20.900 kJ/kg [15]. Sedangkan gas sintetik yang dihasilkan dari gasifikasi kayu bakar memiliki nilai High Heating Value sebesar 35.665 kJ/kg [16].…”

Section: Potensi Penggunaan Konverter Energi Gasifikasi DI Desa Lendang Nangkaunclassified

Potensi Penerapan Energi Terbarukan Sebagai Upaya Mewujudkan Kemandirian Desa: Studi Kasus Desa Lendang Nangka Lombok Timur

Amrullah¹

2021

energi

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Desa saat ini didorong menjadi desa mandiri, baik dalam bidang energi maupun ekonomi dengan mengimplementasikan energi terbarukan untuk meningkatkan kemandirian energi sebagai salah satu langkah meningkatkan ekonomi masyarakat. Penelitian ini bertujuan untuk menganalisis potensi penggunaan energi terbarukan seperti Pembangkit Listrik Tenaga Bayu (PLTB), Pembangkit Listrik Tenaga Surya (PLTS), Pembangkit Listrik Tenaga Air (PLTA), dan Konversi Energi Gasifikasi di desa Lendang Nangka, Kabupaten Lombok Timur. Penelitian dilakukan dengan pengumpulan data baik dari BMKG dan pengujian secara langsung menggunakan alat Air Flow Anemometer GM8902 untuk mengetahui kecepatan angin dan DIGITAL TECHNOMETER LX-1010B untuk mengetahui intensitas cahaya matahari. Selain itu dilakukan wawancara kepada pengusaha kecil dan menengah untuk mengetahui penggunaan energi dalam menyokong proses produksinya. Hasil dari penelitian menunjukkan bahwa potensi PLTB yang dapat diemplementasikan adalah PLTB sekala kecil dengan daya sekitar 23,4-632,88 kWh/turbin. Untuk potensi PLTS menghasilkan daya sebesar 410-566 kWh per meter persegi panel surya. Untuk potensi PLTA, turbin yang cocok adalah turbin ukuran kecil dengan potensi daya sekitar 0,3024-2,2194 kWh. Sedangkan untuk potensi penggunaan converter energi jenis gasifikasi dapat dilakukan untuk mengurangi penggunaan bahan bakar tidak terbarukan sekaligus menghemat biaya porduksi. Sebab, nilai High Heating Value gas sintetik yang dihasilkan 1,7 kali lebih besar daripada pembakaran langsung dengan kayu.

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Reverse Engineering of Turbine Blades Kaplan’s type for Small Hydroelectric Power Station

Cited by 18 publications

References 6 publications

Application of The Reverse Engineering In The Modelling of A Blade and Screen In A Hammer Mill

Application of The Reverse Engineering In The Modelling of A Blade and Screen In A Hammer Mill

Common Failures in Hydraulic Kaplan Turbine Blades and Practical Solutions

Potensi Penerapan Energi Terbarukan Sebagai Upaya Mewujudkan Kemandirian Desa: Studi Kasus Desa Lendang Nangka Lombok Timur

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