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2. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Ceiling fans are usually installed in a space with other lighting fixtures, but if the fan is positioned too close to a light panel or fixture, a strobe or flicker effect may occur. A strobe or flicker effect is a phenomenon which occurs when light brightens and dims consistently as it penetrates and passes through a moving ceiling fan. [ 8 ]

3. High-volume low-speed fan - Wikipedia

   en.wikipedia.org/wiki/High-volume_low-speed_fan

   Ceiling fans increase air speed at the occupant level, which facilitates more efficient heat rejection, cooling the occupant, rather than the space. [10] [11] [12] Elevated air speed increases the rate of convective and evaporative heat loss from the body, thus making the occupant feel cooler without changing the dry bulb temperature of the air ...

4. Actual cubic feet per minute - Wikipedia

   en.wikipedia.org/wiki/Actual_cubic_feet_per_minute

   Actual cubic feet per minute (ACFM) is a unit of volumetric flow. It is commonly used by manufacturers of blowers and compressors. [1] This is the actual gas delivery with reference to inlet conditions, whereas cubic foot per minute (CFM) is an unqualified term and should only be used in general and never accepted as a specific definition without explanation.

5. Fan heater - Wikipedia

   en.wikipedia.org/wiki/Fan_heater

   A fan heater, also called a blow heater, is a heater that works by using a fan to pass air over a heat source (e.g. a heating element). [1] This heats up the air, which then leaves the heater, warming up the surrounding room. They can heat an enclosed space such as a room faster than a heater without a fan, [2] but like any fan, create a degree ...

6. Fan coil unit - Wikipedia

   en.wikipedia.org/wiki/Fan_coil_unit

   These motors are sometimes called DC motors, sometimes EC motors and occasionally DC/EC motors. DC stands for direct current and EC stands for electronically commutated.. DC motors allow the speed of the fans within a fan coil unit to be controlled by means of a 0-10 Volt input control signal to the motor/s, the transformers and speed switches associated with AC fan coils are not required.

7. This Nighttime Habit Could Be A Key Indicator Of Dementia ...

   www.aol.com/lifestyle/nighttime-habit-could-key...

   Keep your room cool and free of sound and light distractions. If you can’t fall asleep after 20 minutes, get up and do a relaxing activity until you feel tired again.

8. UNC alum files for 2-word trademark after Bill Belichick ...

   www.aol.com/unc-alum-files-2-word-121610754.html

   As a new era begins in Chapel Hill, North Carolina, one UNC alum is taking advantage of the opportunity with a perfect two-word trademark for the occasion.

9. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   They are used on the floor, table, desk, or hung from the ceiling (ceiling fan) and can be built into a window, wall, roof, etc. Tower fans tend to have smaller blades inside. Electronic systems generating significant heat, such as computers, incorporate fans. Appliances such as hair dryers and space heaters also use fans.