Convert Round Duct To Rectangular Calculator

D e is the circular equivalent of rectangular duct for equal length fluid resistance and airflow inch a is the length of one side of duct inch b is the length adjacent side of duct inch. To then convert that to volume you multiply the resulting area by the length. Convert round duct size to rectangular duct size for equivelant airflow.

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Read computed values for equivalent round duct diameter inches.

Convert round duct to rectangular calculator.

This can be found by multiplying the two adjacent sides of the rectangular duct. Friction loss calculator for sheet metal ducts. Enter duct airflow cfm duct velocity fpm duct length and the number of bends. The equivalent diameter is the diameter of a circular duct or pipe that gives the same pressure loss as an equivalent rectangular duct or pipe.

Include fittings in the duct tel enter either. The area will cover a two dimensional slice of the duct. Convert diameter to rectangular equivalent. Convert rectangular duct to round equivalent.

The table is based on the ducts friction loss formula. I want to calculate. This is a handy tool when deciding what size duct you want to use for your application. Step 5 select a size of square duct that has the same area.

Equivalent duct calculator app user guide appendix equivalent round for rectangular 𝐷𝑒 1 30 0 625 0 250 where. Duct areas in square feet can be calculated by using geometry rules for round areas. Other hart cooley mobile tools. Equivalent round duct diameter for rectangular opening equivalent diameter.

Diameter of a round duct that equates to the same pressure loss as the corresponding rectangular duct. Multiply this number by 3 14 pi to get the area of the round duct in square inches for example 16 x 3 14 50 24 square inches. Sheet metal duct friction loss calculator. Friction loss calculator for flexible ducts.

Convert rectangular and oval duct geometry to a equivalent circular diameter online calculator with imperial and si units sponsored links the equivalent diameter is the diameter of a circular duct or pipe that for equal flow gives the same pressure loss or resistance as an equivalent rectangular duct or pipe. Equivalent duct calculator round vs rectangular. Enter the length inches and width inches of the rectangular duct. Read round duct diameter inches and friction loss per 100 of duct inches of water.

The table below can be used to compare equivalent diameters for rectangular and round circular ducts. The rectangular dimensions and the air flow volume are adapted to the equal friction loss.