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The walls of the ducting create friction with the moving air and this saps energy form the flow, slowing it.
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How do wings work?
Airflow under the wing is slower than the airflow on top thus creating lift.
What is ground effect and how does it work?
The result of the interference of the surface of the Earth with the airflow patterns about an airplane.
Can nuclear energy work well with other form of energy?
yes it will resist some but not all
Does duct tape on a blister work?
You'll need a band aid for that. If you don't have one, take a Kleenex, rip it in half longways, wrap that around your foot, and use duct tape to tap the end of the tissue up.
Is duct tape bulletproof?
I highly doubt it. But hey, with duct tape, anything is possible.
What is a balometer?
It measures airflow in a duct
What is balometer?
It measures airflow in a duct
How can regular use of duct cleaning services save on utility costs?
Air flow can be restricted by dirty duct work. Keeping the ducts clesn can increase airflow and make the system work more efficiently.
Can you tap into existing duct for bathroom fan?
Only if the existing duct was taking airflow from say, the kitchen, and blowing out of the building.
What is the airflow velocity within a branch duct if the flow rate is 175 cfm and the duct is 12 inches high by 18 inches wide?
answer is
What is a damper in ac terminology?
A damper is usually a piece of metal that is installed in a duct to allow the airflow to be restricted. This lets the user open or close the restriction to adjust the amount of air getting through. There is often a metal tab handle outside the duct to rotate the damper inside the duct. The handle is parallel to the restriction plate, so the least resistance is when the handle is parallel to the duct itself. To restrict the airflow, turn the handle so that it is up to 90 degrees off from the direction of the duct.
How do you regulate air duct flow?
Some rooms need more airflow than others, and sometimes there is a temperature disparity between rooms and/or levels in your home. regulate the airflow rate in the duct can help to alleviate these issues. This can be done by regulating what is called dampers in the system. There are basically three types of dampers - Face, Branch, and Main dampers. Face dampers are the ones that are on the face of the register itself.
How do wings work?
Airflow under the wing is slower than the airflow on top thus creating lift.
Is duct sizing for cooling diff from heating?
Yes cooling requires larger duct work. Typically you would size the duct work for the cooling system and heat will work fine as well
Why doesn't your apartment have duct work?
If your apartment does not have duct work, the owner of the building has not had it installed. Perhaps they felt it would be too costly to install, or perhaps they are simply not interested in or see a need for duct work.
How do you read a ductulator?
To read a ductulator, input the air flow rate and the size of the duct. Then, locate where the two values intersect on the ductulator to determine the required duct size for proper airflow. Follow the guidelines or instructions provided by the manufacturer for accurate readings.
How do you work out duct diametre?
For round duct, measure from one side to the other, and you have the diameter.
