# How to generate High-velocity-Air from Vacuum-Air?

• muthu.mari
In summary, the individual is seeking a way to pressurize free space air into forced air with a flow rate of 55 CFM, but at a lower cost than using an electronic blower with a motor and impeller. They have considered using a vacuum cleaner, but need to know the required pressure for selecting a suitable blower. They are seeking potential solutions within a budget of $300. muthu.mari I need to accelerate the vacuum-air entering into a 3" pipe. It should provide minimum of 50CFM air-flow. Do you have any idea? Please it here! Welcome to PF! CFM is a measure of volume per unit time, not velocity. Could you try to explain in more detail what you are trying to do please. russ_watters said: Welcome to PF! CFM is a measure of volume per unit time, not velocity. Could you try to explain in more detail what you are trying to do please. Actually, i need to pressurize the Free space air which will be used to fill-up a large length (6-feet) blanket with 55 CFM air value. So to convert the free space air into Forced-air (achieving 55CFM), i need a principle. I got one logic, by using Electronic-blower we can create pressurized air with 50CFM. But this logic gives more cost due to costlier Motor and impeller. So i need it with lower cost within 300$.

muthu.mari said:
Electronic-blower we can create pressurized air with 50CFM. But this logic gives more cost due to costlier Motor and impeller. So i need it with lower cost within 300\$.

How about a vacuum cleaner? Cost and flow rate fits your description.

However, to select a blower you also need to know the pressure required.

Sucking and blowing just use different ends of the same device, so I still don't see the point of the question.

## 1. How is high-velocity air generated from vacuum air?

High-velocity air is generated from vacuum air through a process called vacuum aspiration. This involves creating a vacuum pressure gradient between two points, which causes air to flow from an area of high pressure to an area of low pressure at high speeds.

## 2. What equipment is needed to generate high-velocity air from vacuum air?

To generate high-velocity air from vacuum air, you will need a vacuum pump, a source of compressed air, and a nozzle or jet system to direct the air flow. Additionally, a pressure regulator and control valve may be necessary to adjust the flow rate and pressure of the air.

## 3. Can high-velocity air be generated from any type of vacuum air?

High-velocity air can be generated from any type of vacuum air, as long as there is a sufficient pressure difference between the two points. However, the efficiency and effectiveness of the process may vary depending on the composition and characteristics of the vacuum air.

## 4. What are the applications of generating high-velocity air from vacuum air?

The ability to generate high-velocity air from vacuum air has a wide range of applications in industries such as manufacturing, transportation, and aerospace. It can be used for tasks such as cleaning, drying, cooling, and conveying materials.

## 5. Are there any safety precautions that should be taken when generating high-velocity air from vacuum air?

Yes, there are several safety precautions that should be taken when generating high-velocity air from vacuum air. It is important to properly handle and maintain the equipment, follow manufacturer instructions, and wear appropriate personal protective equipment. Additionally, the high air speeds can pose a risk to individuals nearby, so it is important to have proper barriers or warning signs in place.

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