Volumetric Flow Rate Under Laminar Flow Condition For Radial Bush Seal For Compressible Fluid Calculator

Formula Used:

\[ q = \frac{c^3}{24 \cdot \mu} \cdot \frac{a - b}{a} \cdot \frac{P_s + P_e}{P_e} \]

Radial Clearance For Seals (c):

Absolute Viscosity of Oil in Seals (μ):

Pa·s

Outer Radius of Plain Bush Seal (a):

Inner Radius of Plain Bush Seal (b):

Minimum Percentage Compression (P_s):

Exit Pressure (P_e):

Volumetric Flow Rate Per Unit Pressure (q):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is Volumetric Flow Rate Under Laminar Flow Condition?

The Volumetric Flow Rate Under Laminar Flow Condition for Radial Bush Seal for Compressible Fluid represents the volume of fluid which passes per unit pressure under laminar flow conditions in radial bush seals designed for compressible fluids.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ q = \frac{c^3}{24 \cdot \mu} \cdot \frac{a - b}{a} \cdot \frac{P_s + P_e}{P_e} \]

Where:

\( q \) — Volumetric Flow Rate Per Unit Pressure (m³/s)
\( c \) — Radial Clearance For Seals (m)
\( \mu \) — Absolute Viscosity of Oil in Seals (Pa·s)
\( a \) — Outer Radius of Plain Bush Seal (m)
\( b \) — Inner Radius of Plain Bush Seal (m)
\( P_s \) — Minimum Percentage Compression (%)
\( P_e \) — Exit Pressure (Pa)

Explanation: This formula calculates the volumetric flow rate per unit pressure for laminar flow conditions in radial bush seals handling compressible fluids, considering geometric parameters and fluid properties.

3. Importance of Volumetric Flow Rate Calculation

Details: Accurate calculation of volumetric flow rate is crucial for designing efficient seal systems, predicting fluid behavior under pressure, and ensuring proper sealing performance in mechanical systems.

4. Using the Calculator

Tips: Enter all values in appropriate units (meters for lengths, Pa·s for viscosity, % for compression, and Pa for pressure). Ensure all values are positive and that outer radius is greater than inner radius.

5. Frequently Asked Questions (FAQ)

Q1: What is laminar flow condition?
A: Laminar flow is a flow regime characterized by smooth, constant fluid motion in parallel layers with no disruption between them.

Q2: Why is radial clearance important in seal design?
A: Radial clearance affects the flow characteristics, sealing efficiency, and overall performance of the bush seal system.

Q3: How does viscosity affect the flow rate?
A: Higher viscosity fluids generally result in lower flow rates due to increased internal resistance to flow.

Q4: What is the significance of the pressure ratio term?
A: The pressure ratio term accounts for the compressibility effects of the fluid and the pressure differential across the seal.

Q5: When is this formula applicable?
A: This formula is specifically designed for laminar flow conditions in radial bush seals handling compressible fluids.