How Does A Dyson Fan Work? - Sustainable Business Toolkit

Dyson Fans: Bladeless Fan Technology and Art meet

I have been a huge fan of Dyson since first buying a Dyson vacuum cleaner 4 years.

I was initially skeptical about buying a ‘premium price tag‘ vacuum cleaner. I mean let’s be honest – it’s a vacuum cleaner. An appliance that at best should be relegated to the back corner of the laundry room or stored under the stairs. No-one should get excited about a vacuum cleaner, let alone the activity of vacuum cleaning!

So when I bought my Dyson vacuum cleaner I was surprised to feel a sudden urge to use it, again and again. Seriously, it is an incredible piece of technology that delivers superior results seamlessly. I feel like ‘Super Cleanman’ when I use it and cannot sing its praises enough.

That’s the incredible thing about James Dyson. He has the ability to transform the seemly prosaic and banal appliances into something that is beautiful, exciting, innovative, fun, exceptionally functional and interesting.

I don’t think anything epitomises this ability more than the Dyson Airblade Hand Dryer. If you haven’t used it yet; get your ass down to the nearest public toilet and give it a go. Properly genius!

Anyway, I digress.

I have recently become the proud owner of the Dyson Hot and Cool Bladeless Fan Heater. Again, I cannot sing the praises enough for this beautiful product. It really illustrates how Dyson manages to integrate technology with art, and it is worth every penny. Dyson also offers products like air purifiers that combine cooling and air purification. James Dyson, like Steve Jobs, has the undeniable ability to design products that are exquisitely executed and exceed the desires of consumers.

My Dyson fan sits prominently in my apartment and constantly draws attention to itself from visitors to my home. The conversation usually goes something like this:

“Wow, what is that?” Followed by; “Seriously, how does it work?” And concludes with; “Amazing, I’m getting one”

But I’m getting tired of explaining how the Dyson fan works so I thought I would write an article to help those amazed technophobes. Here goes!

How does the Dyson fan work with Air Multiplier Technology?

The Dyson fan addresses the common issues associated with traditional fans – namely, the pulsating, buffeted, and chopped air that delivers an inconsistent and often irritating blast of airflow. This is achieved through innovative air multiplier technology, which creates a smooth and continuous stream of air without the use of visible blades. Unlike an air conditioner, the Dyson fan does not use a heat exchange mechanism to cool the room but rather circulates air to provide cooling.

Step 1: One unit of air is drawn into the base of the Dyson bladeless fan, often referred to as the pedestal stand. This process involves a mixed-flow impeller that increases both the pressure and the flow of the air. The pedestal’s motor, which uses nine asymmetrically aligned blades hidden inside the base, plays a crucial role in drawing air efficiently.

Step 2: The drawn air is then channeled through a small gap in the air cylinder at an accelerating speed. This design, inspired by the shape of an aircraft wing, forces the air over the outer area of the fan, creating a powerful stream of airflow. The effect of the air passing over the curved surface of the fan generates a negative pressure, which is essential in multiplying the airflow.

Step 3: The negative pressure created by the air being forced over the outer surface of the fan draws in surrounding air from behind the fan into the accelerating air stream. This is known as the process of inducement, which significantly enhances the airflow by pulling in more air from the surrounding environment.

Step 4: Additionally, the design creates a phenomenon known as ‘viscous sheering,’ where the cylinder of air moving out from the fan causes more surrounding air to join the accelerating air stream. This further amplifies the air multiplier effect, ensuring that the airflow is consistent and continuous.

The overall result is that one unit of air is multiplied 15-16 times by the time it exits the Dyson Air Multiplier. Unlike traditional fans, where airflow is disrupted by visible blades, the Dyson bladeless fan provides a smooth, uninterrupted body of air. This consistent and pleasant flow of cool air avoids the pulsating sensation typically experienced with standard fans.

Dyson fans are equipped with advanced bladeless fan technology, making them more powerful, quieter, and safer. The absence of external blades reduces the risk of injury, especially around children and pets. Moreover, Dyson bladeless fans are energy-efficient, using less electricity while providing effective cooling. This contributes to lower energy bills and a reduced environmental footprint. Additionally, during colder months, the fan helps circulate warm air, enhancing overall energy efficiency.

Dyson’s air multiplier technology is not only used for cooling but also integrates well with air purifiers, such as the Dyson Pure Cool series, which combine cooling and air purification in one sleek design. These fans often come with additional features like remote controls, WiFi connectivity, and compatibility with smart home systems, allowing for convenient control and monitoring of air quality.

The innovation behind Dyson bladeless fans lies in their use of fluid dynamics and physical laws to enhance airflow. By optimizing the design to take full advantage of these principles, Dyson has created a product that delivers superior performance compared to traditional fans. The airflow generated by Dyson bladeless fans is smooth and continuous, providing a more comfortable and consistent cooling experience.

In summary, Dyson fans leverage cutting-edge air multiplier technology to transform the way air is circulated in a room. By drawing air into the pedestal stand, accelerating it through a specially designed air cylinder, and using the principles of negative pressure and inducement, Dyson fans create a powerful and efficient stream of cool air. This innovative approach not only enhances comfort but also ensures safety and energy efficiency, setting a new standard for modern cooling solutions.

Pros and Cons of Dyson Fans

Pros of the Dyson Fan

There are four main pros for the Dyson fan: 1. It creates a single flow of air that is consistent and not pulsating – which is a serious improvement on the old air blade fans which give you a blast of buffeted air 2. It is obviously much safer than ordinary fans as it has no moving parts 3. It is exceptionally easy to clean – most blade fans get clogged up with dust 4. It’s beautifully designed can act as a stunning feature for an office or home

Cons of the Dyson fan

To be honest I don’t really have any Cons for the Dyson fan. Some people feel it is on the pricey side – but as I said earlier, it is worth every penny in terms of its functional execution and seamless style. I have also read reviews where people say that it is too loud.

For me, I have not found this to be a problem. It is definitely no louder than your average blade fan. So all in all, I believe the benefits far outweigh any cons

Are you too hot in the office? Why not get a Dyson fan for the workplace. Here is a funky design that will impress staff and other visitors to your workplace. Dyson Hot and Cool Bladeless Fan Heater

Recommended Reading A brilliant autobiography by one of the greatest inventors of the 20th century. A true rags to riches story about self-belief and optimism in the face of adversity. Against the Odds: An Autobiography