How to make a portable fan using a computer fan and a battery?
If you have a spare computer fan, 9V battery and a piece of duct tape you can make a portable fan in less than minute. Extremely useful for cooling during during hot days, long trips etc. User tips: http://krzysiu.net/misc/how_to_make_a…
How is electrical energy produced by a fan?
The dynamo is attached to the fan’s motor in such a way that it results in the rotational motion of the dynamo’s shaft. This motion causes the dynamo to produce electrical energy.
Can a ceiling fan be used to generate power?
Since the initial capital cost of solar systems is still quite high , when it comes to generate power for a domestic use and energy saving and energy generating is a major issue for mankind .This paper presents method of generating power by a ceiling fan .
What causes the Dynamo to produce electrical energy?
This motion causes the dynamo to produce electrical energy. The dynamo output is given to the rectifier circuit and then to the voltage regulator and hence the dc regulated output is used for charging *3yNiMH (nickel metal hydride) Battery. LM317 IC7812(voltage regulator)
Can a household fan be powered by a DC battery?
So a household fan or other standard appliance cannot be powered directly by the relatively small amount of power in a DC battery. Not, that is, unless you add a power inverter/converter that transforms the 12-volt DC current into 110/120volt AC current.
How long can a car battery power a fan?
A car battery will power a typical household fan on high speed between 2.5 and 6 hours and still be able to start the car. Double these times for full capacity. The ranges depend on the type of fan being used. How Long Can a Car Battery Power a Fan?
What do you need to know about fan power?
Fan power measures exactly how much energy a fan must receive in order to be able to produce a specific amount of air flow. Fan power is a function of both air pressure and air flow and units of horsepower is typically the measure used. Measure the air pressure. The very first thing you need to do is measure the fan’s total air pressure.
How is the brake horsepower of a fan determined?
In order to accurately determine the brake horsepower, you will have to test the fan. Understand what fan power involves. Fan power measures exactly how much energy a fan must receive in order to be able to produce a specific amount of air flow.