Rainwater drainage и roof gutter подбор
Roof drainage расчёт, gutter подбор, downpipe подбор и rainfall intensity data.
rainwaterdrainagesizingКалькулятор
Overview
Engineering reference data for Rainwater Drainage and Roof Gutter Sizing in sanitary drainage.
Key Formulas
Manning's Equation
Open channel flow.
Slope
Hydraulic gradient.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Flow rate | m³/s | |
| Manning roughness | — | |
| Flow area | m² | |
| Hydraulic radius | m |