blade pitch optimization

Methodology

Type of Work

Numerical

Simulations

Modelling

Qblade

Modules

Operations

Theory

Measurement parameter

Methods

Research
flow

Flow chart

Introduction

Motivation

Narrow down

lower CP than hawts

ever changing aoa

Big picture

Broad
statement

aid in shifting towards green energy

wind energy state

Broad
audience

Wide
applications

lowers carbon footprint

Purpose

problem statement

aoa varies strongly, especially at low tsr

Expected
Outcomes

reduced aoa fluctuation

hypothesis

Background

Literature review

Most
relevant

Key theories

Key Review Papers

Most
recent

Recent developments

Remaining issues

offshore capabilities

tweaked to be hydrokinetic

increased CP

implement blade pitching to account for changing aoa

Significance of research

pitching reduces torque cyclic

best static pitch angle is -2

aerodynamics of pitched turbines

cfd studies with active pitch

experimental pitch optimization

validation

unpitched validation

static pitch validation

Results &
Discussions

Results

plots

Presenting
results

Describing
results

Discussions

Analyzing
results


important
findings

effect of pitching

performance improvement

data processing

Ct, Cp, aoa

limitations and opportunity for refinement

DRAFA

Matlab

challenges

suggestion for improvement

quick new simulation

better approach

Conclusion

Key findings

brief summary

Cp vs time

aoa vs az

objective

Optimize the blade to control the aoa

low cp compared to hawts

lack of elucidation on aerodynamics of pitched turbine

increase Cp using active pitching

understanding aerodynamic of pitched turbine

stable torque production

elevated efficiency

simulation input file

to generate pitch optimized input

produce figures

analyze data

generate simulation input file

process data for validation purposes

Theory

aerodynamics

findings available on key parameters

optimal tsr

efficient number of blades

impact of pitching on turbines

Difference in static and active pitched in terms of performance

total number of simulations

trend

patterns

future work

expansion of current topic

summary of results

recap on objectives and scope

Application