%0 Journal Article %T THE EFFECT OF L/D RATIO ON THE TEMPERATURE SEPARATION IN THE COUNTERFLOW VORTEX TUBE %A Nader Pourmahmoud & Abdol Reza Bramo %J International Journal of Research and Reviews in Applied Sciences %D 2011 %I Academic Research Publishing Agency Network %U http://www.arpapress.com/Volumes/Vol6Issue1/IJRRAS_6_1_07.pdf