1. What is Gauge Pressure at Any Point in Liquid with Height?

Gauge pressure at any point in a liquid with height refers to the pressure measured relative to atmospheric pressure at a specific depth in a fluid. It represents the amount by which the pressure in the fluid exceeds the atmospheric pressure.

2. How Does the Calculator Work?

The calculator uses the gauge pressure formula:

Where:

• \( P_{g,H} \) — Gauge Pressure for Horizontal (Pa)
• \( \gamma \) — Specific Weight of Liquid (N/m³)
• \( h \) — Height of Crack (m)

Explanation: The formula calculates the gauge pressure at a specific point in a liquid based on the specific weight of the liquid and the height/depth of the point below the liquid surface.

3. Importance of Gauge Pressure Calculation

Details: Accurate gauge pressure calculation is crucial for designing hydraulic systems, assessing structural integrity in fluid containers, and understanding fluid behavior in various engineering applications.

4. Using the Calculator

Tips: Enter the specific weight of the liquid in N/m³ and the height/depth in meters. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is the difference between gauge pressure and absolute pressure?
A: Gauge pressure is measured relative to atmospheric pressure, while absolute pressure is measured relative to a perfect vacuum. Absolute pressure = Gauge pressure + Atmospheric pressure.

Q2: How does specific weight differ from density?
A: Specific weight is the weight per unit volume (N/m³), while density is mass per unit volume (kg/m³). Specific weight = Density × Gravitational acceleration.

Q3: Does this formula work for all types of liquids?
A: Yes, the formula applies to all incompressible fluids, but the specific weight value must be appropriate for the particular liquid being analyzed.

Q4: What are typical units for gauge pressure?
A: Gauge pressure is commonly measured in Pascals (Pa), but may also be expressed in bars, psi, or other pressure units depending on the application.

Q5: How does temperature affect gauge pressure calculations?
A: Temperature affects the specific weight of liquids (through thermal expansion), so appropriate temperature-corrected values should be used for accurate calculations.