Piezoelectric Fans Could Be The New Way To Cool

Sidney · 25th January 2006, 19:06

Piezo fans work on a simple principle. The piezo fan has a flexible blade, typically made of mylar, that is set into motion by a piezoceramic bending element. This bending element functions due to an ultra low power oscillating current of electricity. The electric field causes the piezoceramic to elongate, which bends the blade back and forth. The rapid flapping action produced is much like that of a humming bird’s wing, and creates an enormous amount of cooling capacity.

jmke · 25th January 2006, 20:15

do you think this can move enough air?

jort · 25th January 2006, 21:11

2cfm

maybe when the technology gets better

25th January 2006, 22:27

I wonder if the noise level could be reduced when you no longer have 1 big flow of air, but rather several such fans inside a heatsink moving a little air.

25th January 2006, 19:06	#1
Sidney Member Join Date: Mar 2004 Posts: 15,738	Piezoelectric Fans Could Be The New Way To Cool Piezo fans work on a simple principle. The piezo fan has a flexible blade, typically made of mylar, that is set into motion by a piezoceramic bending element. This bending element functions due to an ultra low power oscillating current of electricity. The electric field causes the piezoceramic to elongate, which bends the blade back and forth. The rapid flapping action produced is much like that of a humming bird’s wing, and creates an enormous amount of cooling capacity. __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

25th January 2006, 20:15	#2
jmke Madshrimp Join Date: May 2002 Location: 7090/Belgium Posts: 79,021	do you think this can move enough air? __________________

25th January 2006, 21:11	#3
jort Member Join Date: Jun 2004 Location: mechelen(belgium) Posts: 2,037	2cfm maybe when the technology gets better __________________ watercooling, chilled water,direct phase change, cascade, custom modding

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25th January 2006, 22:27	#4
Rutar Posts: n/a	I wonder if the noise level could be reduced when you no longer have 1 big flow of air, but rather several such fans inside a heatsink moving a little air.