斯特藩-玻尔兹曼计算器 — 公式
## Stefan-Boltzmann Law
Every object radiates thermal energy proportional to the fourth power of its temperature.
### Formula
**P = epsilon * sigma * A * T^4**
where sigma = 5.6704 x 10^-8 W/(m²·K^4) is the Stefan-Boltzmann constant and epsilon is the emissivity (1 for a perfect black body).
Every object radiates thermal energy proportional to the fourth power of its temperature.
### Formula
**P = epsilon * sigma * A * T^4**
where sigma = 5.6704 x 10^-8 W/(m²·K^4) is the Stefan-Boltzmann constant and epsilon is the emissivity (1 for a perfect black body).
计算示例
A perfect black body (epsilon=1) at 1000 K with 1 m² surface area.
- P = epsilon * sigma * A * T^4
- P = 1 * 5.6704e-8 * 1 * 1000^4
- P = 5.6704e-8 * 1e12
- P = 56,704 W = 56.7 kW