Delta’s new PWM (pulse-width modulation) regulates the voltage signal between fully on and fully off, controlling the speed of a fan. The PWM function is commonly used in OEM cases. Delta also provides standard PWM through distribution channels. Delta's internal PWM signal control fans deliver a variety of advantages over external PWM controlled devices, such as wide PWM … [Read more...]
Google Uses AI to Control Cooling in Data Centers
(July 20, 2016) Google has been using its newly acquired AI technology from DeepMind to reduce the amount of energy its data centers have been consuming. “The AI technology is applied to the management of the servers and other electronics at the company's proprietary data centres and is used specifically to fine-tune the cooling systems,” explained TheInquirer.net. DeepMind … [Read more...]
3D Printed Smartphone Case to Include Cooling Fans for Sustained Pokemon Go Play
(July 18, 2016) A 3D printed smartphone case that may better support and cool smartphones has recently been designed and prototype printed. Made to look like a real life Pokédex, SparkFun user NPOOLE created the battery pack with the intention of helping Pokemon Go players play for longer amounts of time. The case fits a Samsung Galaxy S4 and “hides a 2,600 mAh battery pack” … [Read more...]
Calculation Corner: Estimating The Effect Of Flow Bypass On Parallel Plate-Fin Heat Sink Performance
by Bob Simons – Reprinted from ElectronicsCooling, Feb., 2004 [Formatted by B. Guenin, 4/4/16] In past issues of ElectronicsCooling, methodologies were presented for estimating parallel plate-fin heat sink thermal resistance [1] and pressure drop [2]. The underlying assumption for both articles was that all the flow delivered by the fan is forced to go through the channels … [Read more...]
Cooling Fans Used for Computer Hacking
(June 24, 2016) Researchers in Israel have recently created malware call Fansmitter and hijacked computer fans to transmit data. According to PCWorld.com, “The research from Ben-Gurion University of the Negev shows how data could be stolen from “air-gapped” computers, which are not connected to the Internet” by manipulating the sounds fans create. Fansmitter can secretly send … [Read more...]
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