Mass Flux Density Converter
Mass flux density measures mass flow rate per unit area. Used in fluid dynamics, evaporation rates, filtration membranes, deposition processes, and combustion analysis.
Common Mass Flux Density Conversions
| From | To |
|---|---|
| 1 kg/(m²·s) | 0.2048 lb/(ft²·s) |
| 1 kg/(m²·s) | 100 g/(m²·s) |
| 1 g/(cm²·s) | 10 kg/(m²·s) |
| 1 lb/(ft²·s) | 4.882 kg/(m²·s) |
| 1 g/(m²·s) | 0.001 kg/(m²·s) |
| 1 mg/(m²·s) | 0.000001 kg/(m²·s) |
Mass Flux Density Unit Definitions
- kg/(m²·s)
- SI unit of mass flux density.
- g/(cm²·s)
- 10 kg/(m²·s). Convenient for small-scale lab work.
- lb/(ft²·s)
- 4.882 kg/(m²·s). Imperial/American engineering unit.
- g/(m²·s)
- 0.001 kg/(m²·s). Used for slow evaporation and permeation rates.
Frequently Asked Questions
How does mass flux differ from mass flow rate?
Mass flow rate (kg/s) is total mass passing a cross-section. Mass flux density divides by area (kg/(m²·s)) — it is independent of pipe size.
What is a typical evaporation mass flux?
Open water surface: ~0.001–0.01 kg/(m²·s) depending on temperature. Industrial dryers: 0.01–1 kg/(m²·s).
Where is mass flux used in engineering?
Membrane filtration (reverse osmosis), heat exchanger design, drying, combustion analysis, and rocket propulsion (propellant mass flux through nozzle).