Experimental Investigation of Cross-Flow Turbine
The purpose of this study is both to test the performance of a low cost cross-flow turbine and to study on the
efficiency of a low cost cross-flow turbine. In this research the maximum effective head 4.79 m and maximum flow rate
5.65×10-3 m3/s were occurred at gate valve fully open. The speed of the turbine is between 89 and 163 rpm depending on the
flow rate. The maximum shaft power is 236.66 W and the maximum generator output power is 143 W at the gate valve fully
open condition. The other objective of this work is to characterize the two stage power transfer in the runner. Theoretically, the
first stage contribute 76.2% to the total torque (or power) production while the second stage produce the remaining, 26.8%.
The maximum overall efficiency is 57%.
Index Terms- Cross-Flow Turbine, Effective Head, Efficiency Performance, Torque.