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Steel Pipe Pressure Loss Diagram

Reference data and engineering information about steel pipe pressure loss diagram for material properties applications.

steelpipepressurelossData Table

Overview

Engineering reference data for Steel Pipe Pressure Loss Diagram in material science and properties.

Key Formulas

Stress

σ=FA\sigma = \frac{F}{A}

Force per unit area.

Strain

ε=ΔLL0\varepsilon = \frac{\Delta L}{L_0}

Change in length per original length.

Hooke's Law

σ=Eε\sigma = E \varepsilon

Stress proportional to strain in elastic region.

Thermal Expansion

ΔL=αL0ΔT\Delta L = \alpha L_0 \Delta T

Length change due to temperature.

Variables

Symbol Description Unit
σ\sigma Stress Pa
ε\varepsilon Strain —
EE Young's modulus Pa
α\alpha Thermal expansion coefficient 1/°C
ΔT\Delta T Temperature change °C

Unit Conversions

Example Calculation

For a 2" BS 1387 steel hot water heating pipe with a heat flow of 100 kW and a temperature difference of 20 °C:

  1. Water Flow Rate: 1.2 liter/s
  2. Flow Velocity: 0.54 m/s
  3. Pressure Loss: 60 Pa/m

This example illustrates how to use the data and relationships presented in the pressure loss nomogram to estimate system parameters.

References