Airflow
In engineering, the airflow or air flow is a measurement of the amount of air per unit of time that flows through a particular device.
The amount of air can be measured by its volume or by its mass. Typically it is measured by volume, but for some applications it is necessary to measure it by mass, as air is a gas and therefore its volume can vary with temperature.
Units
Typical units to express airflow are:
By volume
By mass
Measurement
The instrument that measures airflow is called an airflow meter.
Control
The equipment that regulates the airflow is called a damper. The damper can be used to increase, decrease or completely stop the flow of air. A more complex device that can not only regulate the airflow but also has the ability to create an airflow is an air handler.
Uses
Measuring the airflow is necessary in many applications such as ventilation (to determine how much air is being replaced) and engines (to control the Air–fuel ratio).
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Jerry Vale
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by Arrival
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by Arrival
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by Arrival
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by Arafel
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You Don't Know Me
by: Jerry ValeYou give your hand to me
And then you say hello
I can hardly speak
My heart is beating so
And anyone can tell
You think you know me well
But you don't know me
Oh you don't know the one
That thinks of you at night
Who longs to kiss your lips
And yearns to squeeze you tight
No I'm just a friend
That's all I've ever been
You just don't know me
I never knew the art of making love
Though my heart aches with love for you
Afraid and shy, I let my chance go by
The chance that you might love me too
You give your hand to me
And then you say goodbye
I watch you walk away
Beside the lucky guy
You'll never, never know
The one who loves you so
You just don't know me
I never knew the art of making love
Though my heart aches with love for you
Afraid and shy, I let my chance go by
The chance that you might love me too
You give your hand to me
And then you say goodbye
I watch you walk away
Beside the lucky guy
Wholl never, never know
The one who loves you so
You just don't know me
You'll never, ever know
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