1. What is Hydraulic Hose Size Calculation?

Hydraulic hose size calculation determines the optimal diameter for fluid transmission in hydraulic systems. Proper sizing ensures efficient flow while minimizing pressure drop and energy loss in the system.

2. How Does the Calculator Work?

The calculator uses the hydraulic hose size formula:

Where:

• \( D \) — Hose diameter (m)
• \( Q \) — Flow rate (m³/s)
• \( \mu \) — Dynamic viscosity (Pa·s)
• \( \Delta P \) — Pressure drop (Pa)

Explanation: The equation calculates the minimum hose diameter needed to maintain a specified pressure drop for a given flow rate and fluid viscosity.

3. Importance of Hydraulic Hose Sizing

Details: Proper hose sizing is critical for hydraulic system efficiency. Undersized hoses cause excessive pressure drops and energy loss, while oversized hoses increase cost and system weight unnecessarily.

4. Using the Calculator

Tips: Enter flow rate in m³/s, dynamic viscosity in Pa·s, and desired pressure drop in Pa. All values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: Why is viscosity important in hose sizing?
A: Viscosity affects fluid resistance to flow. Higher viscosity fluids require larger diameter hoses to maintain the same pressure drop.

Q2: What is a typical pressure drop value?
A: Pressure drop typically ranges from 0.1 to 0.5 MPa (100,000 to 500,000 Pa) for most hydraulic applications, but varies based on system requirements.

Q3: How does temperature affect the calculation?
A: Temperature significantly affects fluid viscosity. Always use viscosity values at the expected operating temperature for accurate calculations.

Q4: Are there limitations to this formula?
A: This formula assumes laminar flow and Newtonian fluids. For turbulent flow or non-Newtonian fluids, more complex calculations are needed.

Q5: Should safety factors be applied?
A: Yes, it's recommended to add a safety factor of 10-20% to the calculated diameter to account for system variations and future expansion.