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Mass Flow Rate to Volumetric Flow Rate

Volumetric Flow Rate Formula:

\[ Q = \frac{W}{\rho \times 60} \]

lb/hr
lb/gal
GPM

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1. What is Mass Flow Rate to Volumetric Flow Rate Conversion?

Definition: This calculator converts mass flow rate (in pounds per hour) to volumetric flow rate (in gallons per minute) using the fluid's density.

Purpose: It helps engineers and technicians in fluid systems to convert between mass and volume flow measurements.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Q = \frac{W}{\rho \times 60} \]

Where:

Explanation: The mass flow rate is divided by both the density and 60 to convert from pounds per hour to gallons per minute.

3. Importance of Flow Rate Conversion

Details: Accurate conversion between mass and volumetric flow rates is essential for system design, pump sizing, and process control in fluid systems.

4. Using the Calculator

Tips: Enter the mass flow rate in lb/hr and fluid density in lb/gal (default 8.34 for water). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 60 used?
A: The factor converts hours to minutes (1 hour = 60 minutes) to change the time basis from per hour to per minute.

Q2: What's a typical density for water?
A: Water at standard conditions is approximately 8.34 lb/gal.

Q3: Can I use this for gases?
A: This calculator is designed for liquids. For gases, you would need to account for compressibility and temperature effects.

Q4: How do I find the mass flow rate?
A: Mass flow rate can be measured directly with a mass flow meter or calculated from volumetric flow rate using the reverse of this formula.

Q5: What if my fluid density changes with temperature?
A: Use the density value at your specific operating temperature for accurate results.

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