How to Calculate Lambda Value
Introduction & Importance
Lambda value, often denoted as λ, is a crucial parameter in fluid dynamics…
How to Use This Calculator
- Enter the temperature (T) in degrees Celsius (°C).
- Enter the pressure (P) in Pascals (Pa).
- Click ‘Calculate’.
Formula & Methodology
The lambda value is calculated using the formula:
λ = R * T / P
Real-World Examples
Case Study 1
T = 25°C, P = 101325 Pa
λ = 287 J/(kg·K) * 298 K / 101325 Pa = 0.000857 kg/m·s
Data & Statistics
| Temperature (°C) | Pressure (Pa) | Lambda Value (kg/m·s) |
|---|---|---|
| 20 | 101325 | 0.000833 |
| 30 | 101325 | 0.000857 |
Expert Tips
- Always use consistent units for accurate results.
- Understand the limitations of the formula for extreme conditions.
Interactive FAQ
What is the universal gas constant?
R = 287 J/(kg·K)
For more information, see Engineering ToolBox and NASA.