Abstract
The potential of hydro energy is very large both for large scale and for small scale. Until now, the need for energy continues to increase, so that energy is a very important element in the development of a country or a region. Cross-flow turbines are one type of turbine that is often used for PLTMH. In this study planning a cross-flow water turbine applied to the height and amount of water per second in the irrigation channel water flow, this water flow will rotate the turbine shaft to produce mechanical energy. With variations in the direction of the turbine flow direction, namely 30o, 35o, and 40o, and the same variation of water discharge 10,5 L / s, 21 L / s and 31,5 L / s to determine the effect on the rotation and the power produced. In this study with 12 turbine blades, 30o blade angle, 40o flow direction angle, and 31.5 L / s water discharge obtained the highest first stage turbine rotation value is 478 rpm. Whereas at the flow direction angle of 30o with the same water discharge which is 31.5 L / s so that the first stage of the turbine is obtained is 296 rpm.
Highlights
The potential of hydro energy is very large both for large scale and for small scale
one type of turbine that is often used for PLTMH
In this study planning a cross-flow water turbine applied to the height and amount of water
Summary
A’rasy Fahruddin, menjadi pengajar di jurusan Teknik Mesin Universitas Muhammadiyah Sidoarjo sejak tahun 2012. 2) Sudut pengarah aliran dalam penelitian ini ada dua sudut pengarah aliran yang terletak pada turbin Tk 1 dan turbin Tk 2. Dalam penelitian ini menggunakan dua dinamo yang terdiri dari turbin Tk 1 dan turbin Tk 2. 5) Runner turbin dalam penelitian ini merupakan komponen utama dan dalam penelitian ini menggunakan dua runner turbin yaitu pada turbin Tk 1 dan turbin Tk 2 yang akan berputar setelah mendapatkan tekanan air (P), dan perputaran turbin dimanfaatkan untuk memutar generator. 8) Dalam penelitian ini menggunakan variasi bukaan tutup dengan potongan kayu agar aliran air yang masuk dapat menghasilkan debit air yang bervariasi. Prosedur Pengujian Dalam penelitian ini terdapat prosedur pengujian yang harus di jalani, adapun pengujian ini harus di tempuh dengan pembuatan alat Turbin Air Cross Flow Bertingkat Dua sebagai berikut: 1.
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