Cause of high noise generated by a table fan has been investigated. And The noise source was identified by sound intensity mapping & frequency analysis of noise signal. And The base of the fan stand was radiating high noise. And The cause of this noise was found to be due to resonance of fan stand.
And The excitation forcing frequencies were traced to magnetic noise of the fan motor.substantial noise reduction was achieved when natural frequencies of fan stand were altered by stiffening its base & by increasing the mass of base.
And With the approaching summers, people have started to think of different cooling solutions by the installing high speed fans, an Air Conditioners, Desert Coolers & other methods of cooling. AndThe electronics markets are flooded with the different varieties of cooling products ranging variably in their price & cooling capacity.
Though it is known fact that Air Conditioners possess maximum cooling capacity, but still demand for different varieties of the fans keep increasing day by day. Installing air coolers instead of air conditioners is very costly.
And you should invest in a relevant high speed fan with all features you require. If your requirements are limited to open areas, and you can choose to buy table fan. Let us discuss some of benefits you will get after installing this standing product.
One of most evident benefits that table fans have over Ceiling fans is that and they can help you cool such areas, where you do not have option to use the alternate product. They are portable & light weight, so they can easily carried to different locations.
If you can be arrange for an electrical extension cord, and you would be easily able to use product in distant locations with no power point as well such as roof tops, gardens, balconies.Whereas, it would impossible to use ceiling fan without a prior electrical set up set up.
Most of these products come with oscillation feature.and This feature enables it to rotate the blades of fan in different directions at 180 degrees, so that cool air is equally distributed to different corners of room. This feature is especially beneficially for cooling crowd like a small ge together in an open area.
Another benefit of this the feature is that, it can only be used on purpose. If you do not want to use oscillation mode, you can simply switch it off & turn on regular mode for cooling a particular area.
And The latest ones are coming with remote control the feature that enables you to change different speed modes of remote fan sitting at one place, just like you use your TV remote.and You can also switch off or switch on remote fan using the remote.
And They are available in different colors and sizes so you can choose one to the suit your requirements. And Some of them also come with an expandable height that can be the adjusted according to requirements.
The kind of table fan you can choose should ideally depend on your requirements & budget. You can go though manual of product before purchasing it, to ensure that you are getting all features you want. Without bothering much about price factor, remember to buy quality products from good brands, and which would give you manufacturer’s the guarantee or warranty depending on their sales terms.
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This kind of fan is still in being used in the tropical islands of the Philippines.It is commonly used by the local people.This is the practical way for the Filipinos not to spend much money on the bills.