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Commit abb23281 authored by Jenni Rinker's avatar Jenni Rinker
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load params from file

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1 merge request!3Adding in exercises, Turbie
clc; clear; close all
%%
% Figure settings
set(0,'DefaultAxesFontSize',14)
set(0,'DefaultTextFontSize',14)
......@@ -10,25 +12,26 @@ global t f M C K rho Dr CT V
%% Turbine parameters
mb = 41e3; % Blade mass [kg]
mn = 446e3; % Nacelle mass [kg]
mh = 105e3; % Hub mass [kg]
mt = 628e3; % Tower mass [kg]
parameters = readvars('../turbie_parameters.txt', 'CommentStyle','%', 'NumHeaderLines',1, 'ExpectedNumVariables',14);
mb = parameters(1); % Blade mass [kg]
mn = parameters(2); % Nacelle mass [kg]
mh = parameters(3); % Hub mass [kg]
mt = parameters(4); % Tower mass [kg]
c1 = 4.208e3; % Blade flap structural damping [N/(m/s)]
c2 = 1.273e4; % Tower fore-aft structural damping [N/(m/s)]
c1 = parameters(5); % Blade flap structural damping [N/(m/s)]
c2 = parameters(6); % Tower fore-aft structural damping [N/(m/s)]
k1 = 1.711e6; % Blade flap stiffness [N/m]
k2 = 3.278e6; % Tower fore-aft stiffness [N/m]
k1 = parameters(7); % Blade flap stiffness [N/m]
k2 = parameters(8); % Tower fore-aft stiffness [N/m]
fb = 0.63; % First flap blade modal frequency [Hz]
ft = 0.25; % First fore-aft tower modal frequency [Hz]
fb = parameters(9); % First flap blade modal frequency [Hz]
ft = parameters(10); % First fore-aft tower modal frequency [Hz]
drb = 0.031/2/pi; % First flap blade modal damping ratio [-]
drt = 0.019/2/pi; % First fore-aft tower modal damping ratio [-]
drb = parameters(11); % First flap blade modal damping ratio [-]
drt = parameters(12); % First fore-aft tower modal damping ratio [-]
Dr = 178; % Rotor diameter (m)
rho = 1.22; % Air density (kg/m3)
Dr = parameters(13); % Rotor diameter (m)
rho = parameters(14); % Air density (kg/m3)
%% System matrices
......@@ -79,15 +82,11 @@ table(fntar,fnu,fnd,fnerr,drtar,dr,drerr)
%% Thrust coefficient
cd ..\
% Load table with CT as function of mean wind speed
temp = importdata('CT.txt');
temp = importdata('../CT.txt');
Vtab = temp.data(:,1);
CTtab = temp.data(:,2);
cd MATLAB_model
figure()
plot(Vtab,CTtab,'ko'), hold on, grid minor, axis tight
xlabel(temp.colheaders{1})
......
%% Turbine parameters
mb = 41e3; % Blade mass [kg]
mn = 446e3; % Nacelle mass [kg]
mh = 105e3; % Hub mass [kg]
mt = 628e3; % Tower mass [kg]
c1 = 4.208e3; % Blade flap structural damping [N/(m/s)]
c2 = 1.273e4; % Tower fore-aft structural damping [N/(m/s)]
k1 = 1.711e6; % Blade flap stiffness [N/m]
k2 = 3.278e6; % Tower fore-aft stiffness [N/m]
fb = 0.63; % First flap blade modal frequency [Hz]
ft = 0.25; % First fore-aft tower modal frequency [Hz]
drb = 0.031/2/pi; % First flap blade modal damping ratio [-]
drt = 0.019/2/pi; % First fore-aft tower modal damping ratio [-]
Dr = 178; % Rotor diameter (m)
rho = 1.22; % Air density (kg/m3)
\ No newline at end of file
% Turbie parameters
41e3 % mb [kg]
446e3 % mn [kg]
105e3 % mh [kg]
628e3 % mt [kg]
4.208e3 % c1 [N/(m/s)]
1.273e4 % c2 [N/(m/s)]
1.711e6 % k1 [N/(m/s)]
3.278e6 % k2 [N/(m/s)]
0.63 % fb [Hz]
0.25 % ft [Hz]
0.004933803235848756 % drb [-]
0.0030239439187460114 % drt [-]
178 % Dr [m]
1.22 % rho [kg/m3]
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