e-journal

Casing Treatment of a Wave Energy Extracting Turbine

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Performance of wave energy extracting turbine used in oscillating water column wave energy system depends on the turbine blade tip leakage flow. Computational study of flow through the turbine by solving Reynolds averaged Navier-Stokes equations were carried out using ANSYS CFX® v14.5 commercial code. The main objective of this paper was to study the effect casing treatment and the vortex pattern change which leads to stall limit change. It was found that the turbine performance in terms of operating range enlargement is possible through the casing treatment. The leakage flow interacted with the main stream and changed the flow separation profile as well as the turbine efficiency. It was found that the pick efficiency is decreased and it is shifted toward the higher flow coefficient as groove depth is increased, while the stall margin becomes wider.

Keywords:Wells Turbine, Axial flow turbine, Casing treatment, Wave eenergy conversion

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Ketersediaan

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Informasi Detail

Judul Seri

Aquatic Procedia

No. Panggil

-

Penerbit

: Elsevier., 2015

Deskripsi Fisik

Aquatic Procedia 4 ( 2015 ) 516 – 521

Bahasa

English

ISBN/ISSN

doi: 10.1016/j.aqpro

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

4 ( 2015 )

Subjek

KIMIA

Info Detail Spesifik

-

Pernyataan Tanggungjawab

Wati/Agus

Versi lain/terkait

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