TY - JOUR
T1 - Effect of cannelure fin configuration on compact aircooling heat sink
AU - Wang, Chi-Chuan
AU - Yang, Kai Shing
AU - Liu, Yang Ping
AU - Chen, Ing Youn
PY - 2011/7/1
Y1 - 2011/7/1
N2 - The present study proposed a novel cannelure fin structure applicable to compact air-cooled heat sink under cross flow condition. A total of eight heat sinks were made and tested, including plain fin, oblique dimple type (I), oblique dimple type (II), straight cannelure, full oblique cannelure, half oblique cannelure with dimple/cavity type, half oblique cannelure with dimple/cavity type (II), and full oblique cannelure with dimple/cavity. Test results indicate that the proposed full cannelure fin along with the dimple/cavity structure can attain approximately 25% increase of heat transfer performance, and accompanies a friction reduction of about 20%. Moreover, converse to those interrupted fin or triangular vortex generator, it is found that the proposed fin structure still offers significant augmentation in fully developed region. The observed IR image of the temperature measurement of the test fin configurations also confirms the measurements.
AB - The present study proposed a novel cannelure fin structure applicable to compact air-cooled heat sink under cross flow condition. A total of eight heat sinks were made and tested, including plain fin, oblique dimple type (I), oblique dimple type (II), straight cannelure, full oblique cannelure, half oblique cannelure with dimple/cavity type, half oblique cannelure with dimple/cavity type (II), and full oblique cannelure with dimple/cavity. Test results indicate that the proposed full cannelure fin along with the dimple/cavity structure can attain approximately 25% increase of heat transfer performance, and accompanies a friction reduction of about 20%. Moreover, converse to those interrupted fin or triangular vortex generator, it is found that the proposed fin structure still offers significant augmentation in fully developed region. The observed IR image of the temperature measurement of the test fin configurations also confirms the measurements.
KW - Cannelure
KW - Dimple/cavity vortex generator
KW - Heat sink
KW - Interrupted fin
UR - http://www.scopus.com/inward/record.url?scp=79954449915&partnerID=8YFLogxK
U2 - 10.1016/j.applthermaleng.2011.02.003
DO - 10.1016/j.applthermaleng.2011.02.003
M3 - Article
AN - SCOPUS:79954449915
VL - 31
SP - 1640
EP - 1647
JO - Applied Thermal Engineering
JF - Applied Thermal Engineering
SN - 1359-4311
IS - 10
ER -