Mass Flow Rate Through a Nozzle

Mass Flow Rate Formula:

\[ W = \rho \times Q \times 60 \]

Mass Flow Rate (lb/hr):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is Mass Flow Rate Through a Nozzle?

Definition: This calculator determines the mass flow rate of a fluid through a nozzle based on fluid density and volumetric flow rate.

Purpose: It helps engineers and technicians calculate the mass of fluid passing through a nozzle per hour, which is crucial for system design and analysis.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ W = \rho \times Q \times 60 \]

Where:

\( W \) — Mass flow rate (pounds per hour)
\( \rho \) — Fluid density (pounds per gallon)
\( Q \) — Volumetric flow rate (gallons per minute)

Explanation: The formula converts GPM (gallons per minute) to pounds per hour by multiplying by density and 60 minutes/hour.

3. Importance of Mass Flow Rate Calculation

Details: Accurate mass flow rate calculations are essential for nozzle sizing, system performance evaluation, and ensuring proper fluid delivery in various applications.

4. Using the Calculator

Tips: Enter the fluid density in lb/gal and flow rate in GPM. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What's a typical fluid density for water?
A: Water has a density of approximately 8.34 lb/gal at room temperature.

Q2: Why multiply by 60 in the formula?
A: The 60 converts minutes to hours since we're calculating lb/hr from GPM (gallons per minute).

Q3: Can this be used for gases?
A: Yes, but gas densities vary significantly with pressure and temperature, so use appropriate density values.

Q4: How do I measure flow rate (GPM)?
A: Use a flow meter or calculate from nozzle size and pressure using appropriate flow equations.

Q5: What if my density is in other units?
A: Convert to lb/gal first. 1 lb/gal = 119.826 kg/m³ = 0.1198 g/cm³.