Experimental Investigation on the Effect of Flow Rate and Load on the Hydrodynamic Behavior and Performance of an Archimedes Screw Turbine
محل انتشار: ماهنامه بین المللی مهندسی، دوره: 36، شماره: 4
سال انتشار: 1402
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 123
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شناسه ملی سند علمی:
JR_IJE-36-4_012
تاریخ نمایه سازی: 17 اردیبهشت 1402
چکیده مقاله:
One of the best solutions to overcome problems caused by fossil fuel consumption is using renewable energy. In this research, effect of flow rate and load on the performance of an Archimedes turbine was experimentally studied. At first, Archimedes turbine with optimal size was made using ۳D printer technology. Then it was placed in the river simulation setup. After the calibration and uncertainty analysis, tests were performed for three flow rates and five electrical resistances. The results showed that increasing the flow rate leads to a rise in power, torque, and angular velocity of the turbine, but it leads to a non-linear behavior in efficiency. On the other hand, an increase in electrical load has also led to a decrease in converter performance for all conditions. In addition, by implementing π-Buckingham theory, the converter's hydrodynamic behavior was studied by using Reynolds numbers, dimensionless flow, and power coefficiency. The results showed that an increase in Reynolds number leads to a decrease in power coefficiency. However, an increase in dimensionless flow increases the power coefficiency first and then decreases (nonlinear behavior). In addition, the Archimedes screw turbine was also studied from an economic point of view, and the results showed that increasing discount rate leads to an increase in discounted payback period, and in the worst case, the payback period is ۳.۰۹ years, and in the best case, it is ۱.۶ years. Also, the construction of the Archimedean screw turbine in Iran can save currency for ۱۴۳۹.۵.
کلیدواژه ها:
نویسندگان
M. Zamani
Sea-Based Energy Research group, Babol Noshirvani University, Babol, Iran
R. Shafaghat
Sea-Based Energy Research group, Babol Noshirvani University, Babol, Iran
B. Alizadeh Kharkeshi
Sea-Based Energy Research group, Babol Noshirvani University, Babol, Iran
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