0
A= 2*(w+h)*(l1+l2)
W=width
H=Height
L1, L2 Length of Elbow
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∙ 12y ago
Anonymous
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How do you calculate the area of HVAC duct offset and elbow?
In order to calculate the area of HVAC duct offset and elbow, one must first measure the distance between the two. Then the elbow must be larger than any cross section to maintain airflow.
How do you find surface area of a duct reducer?
(Width 1 + Height 1 + Width 2 + Height 2)* Length
What is the formula for duct sizing?
To calculate the formula for duct sizing divide the room load by the whole house load. Next multiply those results by the equipment CFM.
What r the advantages of side view of the duct?
what r the advantages of side view of duct ? why we plot side view of duct ?
What comes first width by height or height by width when defining rectangular duct dimensions?
width always comes first
How do you calculate the area of a duct elbow?
Area of Duct = (Weidth+Height) X 2 X (Length1+Length2)
How do you calculate the area of HVAC duct offset and elbow?
In order to calculate the area of HVAC duct offset and elbow, one must first measure the distance between the two. Then the elbow must be larger than any cross section to maintain airflow.
How you calculate the area of HVAC duct offset and elbow in square feet?
200+200
How do you calculate area in square meter of a duct elbow 45 degree?
To calculate the square meters of a duct you must add the total length of the straight duct work plus the loss of length from the elbows. A standard elbows measurement is 15 feet for each elbow with a 4 inch diameter or 20 feet for an elbow with a 6 inch diameter.
How to calculate duct area?
To calculate duct area, multiply the width of the duct by the height of the duct. This gives you the area in inches or centimeters, depending on the unit of measure used for the calculation.
How do you calculate surface area of a duct?
Dimension is : W * D* L IN MTR AREA SQ.MTR= (W+D) * 2 * L
How do you calculate the area of duct reducer?
To calculate the area of an HVAC duct reducer, you measure using a trapezoid area formula, which would be 1/2 times the base plus the top, times the height.
How do you find surface area of a duct reducer?
(Width 1 + Height 1 + Width 2 + Height 2)* Length
What is the function of the lacrimal duct?
a duct that carries tears from a gland out to the surface of the eye
How to find the area of round duct?
Area of round duct is pi times radius squared.
Find offsets with elbows on round ductwork?
adding an elbow is like adding another piece of duct,in other words you will gain length. you have to measure using centers. lets say that you have a duct that you want to make an offset to change your location or elevation,measure the distance from starting point to finish point either end to center or center to center,say your measurement is 12in. end to center, measure the elbow from the end to the center,usually by putting it on a table or againist a wall, say your meas. is 6in. bear in mind that the elbow will fit over the duct,lets say 2in. that means the elbow will add 4in. to your duct, subtact 4in.from your 12in.meas. that leaves you with 8in. of duct to make your offset
How do you calculate surface area of a duct elbow 45 degree?
hi as you know the 45 deg. elbow looks like one quarter of a circle and you have two major radii ( Heel & Throat) ; so : 1st two surfaces( top&bottom) are equals to 0.25*(A1 - A2) where: A1 = pi*Rh^2 ---- Rh : Heel Radius A2 = pi * Rt^2 ----- Rt: Throat Radius 2nd Areas ( sides) are equals to rectangular areas ; so it's: A3 = A4 = W*H ,, Now you have 4 surfaces ,, Good Luck,, Moath
