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All Journal International Journal of Electrical and Computer Engineering Mesin Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi
Priyono Sutikno
Institut Teknologi Bandung
Aerospace Engineering Automotive Engineering Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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POMPA SENTRIFUGAL SEBAGAI TURBIN DENGAN PERFORMANSI HASIL PENGUJIAN LABORATORIUM UNTUK PEMBANGKIT MIKRO HIDRO Priyono Sutikno
Mesin Vol. 18 No. 2 (2003)
Publisher : Mesin

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Abstract

Pump as Turbine (PaT) tested from mixed flow pump type with 250 mm bore diameter, and impeller tip has a minimum modification by rounded the blade, which could improve the efficiency of 2% to 6%. The modification is done by rounded the impeller tip with 2 mm radius. Tested Pump as Turbine at 1000 rpm has an efficiency about 82% and 10 kW power output. The best power produced by 250 mm bore Pump as Turbine is 25 kW at the 75% efficiency. The 15 meters head may have the runaway speed of the Pump as Turbine on asymptotic level at 2500 rpm. The pump as turbine could utilized as Micro Hydro Power driver in the low cost, compare with Francis turbine design and development cost, which is mass production of the pumps and abundant at the market.
GEOMETRIC MORPHOMETRIC BANANA LEAF MIDRIB AS WIND TURBINE AIRFOIL PROFILE Rosa, Firlya; Sutikno, Priyono; Suweca, I Wayan; Moelyadi, Mochammad Agoes
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 8, No 2 (2022): Oktober
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (26.898 KB) | DOI: 10.35308/jmkn.v8i2.6095

Abstract

Profil airfoil merupakan salah satu faktor yang mempengaruhi kinerja turbin angin sumbu horizontal. Sejumlah penelitian telah mengadopsi bentuk dan gerak binatang baik binatang air maupun binatang yang terbang. Anatomi alami pelepah daun pisang menjadi salah satu inspirasi untuk pemodelan profil airfoil. Profil pelepah dari tujuh sampel daun pisang dipetakan dengan menggunakan teknik morfometri geometrik berbasis landmark. Analisis sampel menggunakan metode statistik dan analisis aerodinamis airfoil menggunakan perangkat lunak QBLADE dengan perubahan bilangan Reynolds mulai dari 3E5 hingga 7E5 pada interval 1E5. Ada tujuh sampel dengan variasi profil dan variasi aerodinamis yang konstan. Dari hasil penelitian didapatkan bahwa semua model memiliki koefisien angkat tinggi, koefisien hambat rendah, dan glide ratio tinggi. Sampel 1 pada bilangan Reynolds 7E5 memiliki glide ratio tertinggi dengan nilai 123,07. Dari hasil analisa aerodinamis didapatkan bahwa dalam kondisi kecepatan angin rendah, profil airfoil berdasarkan morfologi pelepah pisang dapat diterima untuk turbin angin.
Co-Authors Arianto Santoso Diasta, I N Firlya Rosa I N Diasta I Wayan Suweca Ilham B Santoso Is Maryanto Maryanto, Is Moelyadi, Mochammad Agoes Pudji Irasari Puji Widiyanto Qidun Maulana Santoso, Arianto Santoso, Ilham B Uyung Gatot Syafrawi Dinata Zainal Abidin Zainal Abidin