Aerodynamic characteristics of four NACA airfoil sections designed for helicopter rotor blades

Included in:
Partner(s): UNT Libraries Government Documents Department
Collection(s): National Advisory Committee for Aeronautics Collection | Technical Report Archive and Image Library

2,427 Total Uses. / 109 in the last 30 days.

Item Usage by Month/Year

Year January February March April May June July August September October November December Total
2014 72 69 89 114 64 72 56 55 56 81 101 60 889
2013 50 85 127 95 63 90 76 89 78 89 108 74 1,024
2012 26 25 29 31 44 43 36 38 60 55 59 59 505
2011 0 0 0 0 0 0 0 0 0 0 0 9 9

Recent Referral Breakdown for the last 30 days (11/17/2014 to 12/17/2014)

Referral Type Total Percentage Graph
Search Engine 101 89% Referrals
Other 7 6%
UNT Digital Library 4 3%
Unknown 1 0%
Referral Total Percentage
www.google.com 37 32%
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=9&ved=0CEUQFjAI&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2Fmetadc61378%2F&ei=BiFsV
https://www.google.com/
http://www.google.com/blank.html
http://www.google.com/search?q=naca+helicopter+wing+section
http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0CAcQjRw&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2Fmetadc61378%2Fm1%2F15%
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=7&ved=0CDsQFjAG&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2Fmetadc61378%2F&ei=jDeDV
http://www.google.com/search?q=pressure+distribution+helicopter
http://www.google.com/url?url=http://digital.library.unt.edu/ark:/67531/metadc61378/m1/2/&rct=j&frm=1&q=&esrc=s&sa=U&ei=LCKHVOWHPIirNrOggrgD&ved=0CBYQ9QEwAA&usg
www.bing.com 7 6%
http://www.bing.com/search?q=NACA+Airfoil
http://www.bing.com/search?q=rotor+comparison+chart
http://www.bing.com/search?q=aerodynamic+helicopter+design
http://www.bing.com/search?q=naca+airfoils
http://www.bing.com/search?q=naca+25112
http://www.bing.com/search?q=naca+airfoil
www.google.co.uk 6 5%
http://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=7&cad=rja&uact=8&ved=0CEYQFjAG&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2F
https://www.google.co.uk/
www.quazoo.com 5 4%
http://www.quazoo.com/q/Aircraft%20piston%20engines%201910%E2%80%931919
http://www.quazoo.com/q/Aircraft_piston_engines_1910%e2%80%931919
http://www.quazoo.com/q/Maybach_Mb.IVa
http://www.quazoo.com/q/National_Advisory_Committee_for_Aeronautics
www.google.co.kr 5 4%
https://www.google.co.kr/
www.google.com.ph 5 4%
https://www.google.com.ph/
www.google.co.in 5 4%
http://www.google.co.in/blank.html
https://www.google.co.in/
digital.library.unt.edu 4 3%
http://digital.library.unt.edu/ark:/67531/metadc61378/
www.google.com.mx 3 2%
https://www.google.com.mx/
www.google.am 3 2%
https://www.google.am/
www.google.pl 3 2%
http://www.google.pl/url?sa=t&rct=j&q=&esrc=s&source=web&cd=12&ved=0CGsQFjAL&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2Fmetadc61378%2Fm1%2F9%2F
http://www.google.pl/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&ved=0CDMQFjAC&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2Fmetadc61378%2Fm1%2F8%2F&
https://www.google.pl/
www.google.fr 3 2%
https://www.google.fr/
http://www.google.fr/url?sa=t&rct=j&q=&esrc=s&source=web&cd=14&ved=0CIABEBYwDQ&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2Fmetadc61378%2Fm1%2F7%
www.google.it 2 1%
https://www.google.it/
www.google.ca 2 1%
https://www.google.ca/
www.google.com.br 2 1%
http://www.google.com.br/url?url=http://digital.library.unt.edu/ark:/67531/metadc61378/m1/16/&rct=j&q=&esrc=s&sa=U&ei=M3Z7VLD_IIHfau7TgoAB&ved=0CDwQ9QEwEw&sig2=
https://www.google.com.br/
www.google.com.eg 2 1%
http://www.google.com.eg/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&ved=0CAcQjRw&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2Fmetadc61378%2
http://www.google.com.eg/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&ved=0CDEQFjAD&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2Fmetadc61378%2Fm1%2F8
www.google.com.pk 1 0%
https://www.google.com.pk/
www.google.ae 1 0%
https://www.google.ae/
www.google.cl 1 0%
https://www.google.cl/
www.google.ch 1 0%
http://www.google.ch/url?sa=t&rct=j&q=&esrc=s&source=web&cd=47&ved=0CE8QFjAGOCg&url=http%3A%2F%2Fdigital.library.unt.edu%2Fark%3A%2F67531%2Fmetadc61378%2F&ei=Lf
www.google.es 1 0%
https://www.google.es/
www.google.co.tz 1 0%
https://www.google.co.tz/
www.google.com.tr 1 0%
https://www.google.com.tr/
www.google.rs 1 0%
https://www.google.rs/
www.google.ro 1 0%
https://www.google.ro/
No Referral Domain 1 0%
No Referral
www.google.co.nz 1 0%
https://www.google.co.nz/
www.gophoto.us 1 0%
http://www.gophoto.us/key/naca%20airfoil
www.google.be 1 0%
https://www.google.be/
www.google.fi 1 0%
https://www.google.fi/
www.google.dk 1 0%
https://www.google.dk/
background-pictures.picphotos.net 1 0%
http://background-pictures.picphotos.net/naca-0012-airfoil-data/3/
www.google.com.ar 1 0%
https://www.google.com.ar/
www.google.co.za 1 0%
https://www.google.co.za/
www.google.com.au 1 0%
https://www.google.com.au/