如何计算Fluid Pressure
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Fluid pressure is force exerted per unit area. It increases with depth due to the weight of fluid above, creating hydrostatic pressure.
公式
The calculator applies P = P₀ + ρgh
- P
- P₀ + ρgh — P₀ + ρgh
分步指南
- 1Enter fluid density, gravitational acceleration, and depth
- 2The calculator applies P = P₀ + ρgh
- 3Results show pressure at depth
例题解析
输入
ρ = 1000 kg/m³ (water), g = 9.81 m/s², h = 10 m
结果
P = 98.1 kPa gauge pressure
Absolute: 199.2 kPa
常见错误注意事项
- ✕Confusing gauge and absolute pressure
- ✕Using depth instead of vertical distance in pressure calculations
常见问题
Why does pressure increase linearly with depth?
Each additional meter of fluid adds the same weight per unit area, creating linear pressure increase.
What's the difference between gauge and absolute pressure?
Gauge pressure measures above atmospheric pressure; absolute pressure includes atmospheric contribution.
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