Numerical simulation and dynamical response of a moored hydrokinetic turbine operating in the wake of an upstream turbine for control design

Parakram Pyakurel, James H. VanZwieten, Cornel Sultan, Manhar Dhanak, Nikolaos I. Xiros

Research output: Contribution to journalArticle

Abstract

Numerical simulation of a downstream hydrokinetic turbine operating in the wake of an upstream turbine for feedback control design is presented. Wake effects from an upstream turbine are quantified in terms of wake velocity and amplified turbulence levels. These effects are integrated in an in-stream hydrokinetic turbine numerical simulation that utilizes a Blade Element Momentum approach with a dynamic wake inflow model. Simulations are carried out on a fixed turbine model to simulate operation in river or tidal channels with conventional foundations, as well as on a compliantly moored turbine model such as those designed to operate in open ocean currents.
Original languageEnglish
Pages (from-to)1134-1145
Number of pages12
JournalRenewable Energy
Volume114
DOIs
Publication statusPublished - 1 Dec 2017

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