NUMERICAL AND EXPERIMENTAL STUDY OF THE EFFECTS OF PHYSICAL AND THE GEOMETRICAL PARAMETERS ON EFFICIENCY OF A MICRO-PELTON TURBINE

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DERAKHSHAN SHAHRAM; BAGHERI MOTLAGH MOHAMMAD; ABDOLAHNEJAD EHSAN

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Journal: Modares Mechanical Engineering Year:2014 | Volume:14 | Issue:2 Page(s): 150-158

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Title

NUMERICAL AND EXPERIMENTAL STUDY OF THE EFFECTS OF PHYSICAL AND THE GEOMETRICAL PARAMETERS ON EFFICIENCY OF A MICRO-PELTON TURBINE

Author(s)

DERAKHSHAN SHAHRAM | BAGHERI MOTLAGH MOHAMMAD | ABDOLAHNEJAD EHSAN | Issue Writer Certificate

Keywords

MICRO-PELTON TURBINEQ2

NUMERICAL SIMULATIONQ2

MICRO HYDRO POWER PLANTQ2

Abstract

In the present paper a MICRO-PELTON TURBINE with very small dimension has been studied. This micro turbine was designed for 15 kW output power and was utilized in Khorasan Razavi. To analyze and evaluate the efficiency and effectiveness of physical and geometrical parameters, the turbine flow was simulated using the commercial software Ansys CFX 13 and the simulation results of the performance point were compared and evaluated with experimental results. Because of complexity of simulation and heavy computation, instead of entire turbine, just a part of it containing several buckets was simulated. A 3D transient flow simulation was applied using the Shear Stress Transport turbulent model. In order to model two-phase flow, the standard homogeneous free surface model was employed. In the results the effect of rotating speed on the efficiency was investigated. Moreover, the effect of physical parameters: flow rate and head and geometric parameters: the distance from nozzle to the axis of buckets, the number of buckets in constant pitch circle diameter and constant bucket size, the number of buckets in constant pitch circle diameter and variable bucket size and the number of buckets in variable pitch circle diameter and constant bucket size on the performance of a micro-turbine was investigated.

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APA: Copy

DERAKHSHAN, SHAHRAM, BAGHERI MOTLAGH, MOHAMMAD, & ABDOLAHNEJAD, EHSAN. (2014). NUMERICAL AND EXPERIMENTAL STUDY OF THE EFFECTS OF PHYSICAL AND THE GEOMETRICAL PARAMETERS ON EFFICIENCY OF A MICRO-PELTON TURBINE. MODARES MECHANICAL ENGINEERING, 14(2), 150-158. SID. https://sid.ir/paper/178376/en

Vancouver: Copy

DERAKHSHAN SHAHRAM, BAGHERI MOTLAGH MOHAMMAD, ABDOLAHNEJAD EHSAN. NUMERICAL AND EXPERIMENTAL STUDY OF THE EFFECTS OF PHYSICAL AND THE GEOMETRICAL PARAMETERS ON EFFICIENCY OF A MICRO-PELTON TURBINE. MODARES MECHANICAL ENGINEERING[Internet]. 2014;14(2):150-158. Available from: https://sid.ir/paper/178376/en

IEEE: Copy

SHAHRAM DERAKHSHAN, MOHAMMAD BAGHERI MOTLAGH, and EHSAN ABDOLAHNEJAD, “NUMERICAL AND EXPERIMENTAL STUDY OF THE EFFECTS OF PHYSICAL AND THE GEOMETRICAL PARAMETERS ON EFFICIENCY OF A MICRO-PELTON TURBINE,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 2, pp. 150–158, 2014, [Online]. Available: https://sid.ir/paper/178376/en

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