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Joists Duct Pipe Size

Reference data and engineering information about joists duct pipe size for piping systems applications.

joistsductpipesize

Overview

Engineering reference data for Joists Duct Pipe Size in piping systems.

Key Formulas

Continuity

A1v1=A2v2A_1 v_1 = A_2 v_2

Mass conservation in pipe flow.

Pressure Drop

ΔP=fLDρv22\Delta P = f \frac{L}{D} \frac{\rho v^2}{2}

Darcy-Weisbach equation.

Pipe Area

A=πD24A = \frac{\pi D^2}{4}

Cross-sectional area of a pipe.

Variables

SymbolDescriptionUnit
DDPipe diameterm
vvFlow velocitym/s
ΔP\Delta PPressure dropPa
ffFriction factor

Data Table

9 rows
Joists Dept (in) / Duct or Pipe Size data
col0
Round (in)
8
10
12
14
16
18
20
22

Source: engineeringtoolbox.com

References