Catalogue of Aerodynamic Characteristics, report R-443-D

[Adriaan Kragten]

I want to draw your attention to an important report written by André Hageman in July 1980 at the Wind Energy Group of the University of Technology Eindhoven, where I was also working at that time. The title of this report is: "Catalogue of Aerodynamic Characteristics of Airfoils in the Reynolds number range 10^4 - 10^6", report number R-443-D.

This is a rather large and heavy report which contains aerodynamic characteristics of hundreds of airfoils which might be of interest for someone who wants to design a wind turbine. I have an original copy of this report which I use often. Someone has scanned it and once it was available on the Internet but at this moment I can no longer find it. Fortunately I have made a copy of the pdf-file. My idea was to put this copy on my website and make it public again but the file is 6661 KB large and my website accepts only files of maximal 2000 KB. Is there a way to make it public again, for instance directly on the website of Otherpower? I can send a copy of the pdf-file to the relevant person of Otherpower. I can even add it as an attachment to this post but I don't know if Otherpower accepts such big files.

[DamonHD]

I am happy to host it on my site if (a) you are clear that that is permitted by the copyright and (b) you don't find a better offer!

Rgds

Damon

[Adriaan Kragten]

This report was written in the Wind Energy Group of the UT-Eindhoven which was financed by the Ministry of Developing Countries. The goal of all our work was to make knowledge about wind energy and water pumping available for developing countries. I am sure that nobody will make problems if the report is made public on the Internet. So Damon, if you send me a personal e-mail with your e-mail address, I will send you a copy of the pdf-file which you can put on your website.

There is another important report from that time which may interest people on this forum and that is: "Introduction to Wind Energy" by E. H. Lysen, May 1983, report number CWD 82-1. This report can be found on the Internet if you type the tittle and the report number in Google. It is made public by the Dutch engineering office Arrakis and the engineer of this office also worked at the Wind Energy Group.

[DamonHD]

I have done so.

Rgds

Damon

[DamonHD]

Hi,

The PDF is now posted here:

http://www.earth.org.uk/catalogue-of-aerodynamic-characteristics-of-airfoils.html

Rgds

Damon

[Frank S]

Thanks Damon  And Adriaan.
 For some funny happenstance when I went to save the PDF to the appropriate folder in my PC it looked as though it were a duplicate file Sure enough over a year ago maybe longer I had downloaded it from somewhere else
 A lot of great information contained therein 

[SparWeb]

It's all public data.  Publication should be credited but no more is required.  The rules may be more strict in Europe.

For those who can't get enough airfoils data:

https://naca.larc.nasa.gov/?N=0&Ntk=All|All|All&Ntt=naca%20airfoil|section|characteristic&Ntx=mode%20matchallpartial|mode%20matchall|mode%20matchall&Nm=123|Collection|NASA%20STI||17|Collection|NACA

http://naca.central.cranfield.ac.uk/report.php?NID=2198

https://m-selig.ae.illinois.edu/ads.html

[DamonHD]

Unlike the US (I don't know about Canada), in Europe just because something is paid for with (federal) government research money doesn't mean that it is put in the public domain.

For example, the maps here in the UK by Ordinance Survey are paid for once to collect the data and then the so and sos charge again to look at the outputs, each and every time.  Likewise the Royal Mail's postcode database.  Come the revolution (or maybe just a small post-Brexit civil war) those data sets will be liberated for the betterment of mankind, comrades!  B^>

Rgds

Damon

[Adriaan Kragten]

At this moment I am using a new version of WordPress for my website: www.kdwindturbines.nl.  This new version allows downloads up to 25 Mb. So I have also put a version of report R-443-D on my own website at the bottom of the menu KD-reports. DamonHD can maintain his copy of the report on his website if he likes.

[DamonHD]

Sounds like a useful upgrade!

I shall not move anything on mine for now...

Rgds

Damon