Capacity of wind turbines and turbines

Country	Windpower capacity (MW)
China	44,733
United States	40,180
Germany	27,215
Spain	20,676
India	13,066
Italy	5,797
France	5,660
United Kingdom	5,204
Canada	4,008
Denmark	3,734

Source: Wikipedia/ World Wind Energy Report 2010. World Wind Energy Association. February 2011.

World’s largest offshore wind farms Wind farm (from Wikipedia various refs (click)

Capacity	(MW)	Country	Turbines and model	Commissioned
Thanet	300	United Kingdom	100 × Vestas V90-3MW	2010
Horns Rev II	209	Denmark	91 × Siemens 2.3-93	2009
Rødsand II	207	Denmark	90 × Siemens 2.3-93	2010
Lynn and Inner Dowsing	194	United Kingdom	54 × Siemens 3.6-107	2008
Robin Rigg (Solway)	180	United Kingdom	60 × Vestas V90-3MW	2010
Gunfleet Sands	172	United Kingdom	48 × Siemens 3.6-107	2010
Nysted (Rødsand I)	166	Denmark	72 × Siemens 2.3	2003

Looks like capacity of single wind turbines for offshore is 3MW each. That means we need less than 2000 to replace a nuclear power station… Now it’s only 1334.

Total capacity for UK is now around the 1 nuclear power station mark.

S. H. IT Recruitment – not very good.

I can’t remember which website I saw this on, but I think they might want to consider their Favicon and web page title, when combined they might have a subtle subliminal effect. Searching around the web it seems like a lot of IT recruitment companies have the initials SH.

Unfortunate favicon and text combination

Shear Relief

I’m very happy that my paper was accepted for publication in Metallurgical and Materials Transactions A. It took a long time from performing the experiment to presenting the results, mainly because I needed to repeat the analysis which was something I wasn’t able to make time for until I had to submit the thesis.

Surface relief caused by shear transformation of bainite

In the paper atomic force microscopy is used to measure the shear component of extremely thin plates of bainitic ferrite in superbainite. The shear component is surprisingly large compared to the value we expected of 0.23–0.28 based on previous experiments carried out after transformation at higher temperatures (such as the results by Swallow and Bhadeshia).

It seems like the higher strain may help to explain why the bainitic ferrite plates are so thin and slender. It would now be really interesting to test if that is true or not, which is something I couldn’t really do by looking at the TEM and SEM images I have already.

More details on my web-page at Mathew Peet| Papers| Surface Relief Due to Bainite Transformation at 200°C

Article is currently available electronically by using DOI

Change of heart from Daily Mail?

I was a bit surprised to see this front page on yesterdays daily mail. Would they really suggest that Kate Middleton’s mum (pictured) is going sponge off the UK now her daughter married into the Royal family?

In the end the story was about how the law implemented.

UK Newspaper front pages can be seen here: The Paper boy . com | UK Front pages

Octave/ Matlab is fun – Enter the Matrix

f = rot90((diag((ones(5,1)))) + hankel(zeros(5,1),2*(ones(5,1))),1)
warning: hankel: column wins anti-diagonal conflict
f =

0 2 2 2 3
0 0 2 3 2
0 0 1 2 2
0 1 0 0 2
1 0 0 0 0

hess(diag((ones(4,1))))
ans =

1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1

eig(diag((ones(4,1))))
ans =

1
1
1
1

diag([1,2,3],4)
ans =

0 0 0 0 1 0 0
0 0 0 0 0 2 0
0 0 0 0 0 0 3
0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0 0

rot90(shift(rot90(rand(4),1),1),3)
ans =

0.141505 0.100645 0.200515 0.552900
0.163904 0.081520 0.505508 0.356016
0.458187 0.275491 0.472148 0.434868
0.988882 0.267269 0.680475 0.424024