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Velocity Of Fluid Calculator

Formula Used:

\[ u_{Oil\,tank} = \frac{\partial p}{\partial r} \times 0.5 \times (R \times R - C_H \times R) / \mu \]

N/m³
m
m
Pa·s

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1. What is the Fluid Velocity Formula?

The fluid velocity formula calculates the velocity of fluid in an oil tank based on pressure gradient, horizontal distance, hydraulic clearance, and dynamic viscosity. It's derived from fundamental fluid mechanics principles for laminar flow conditions.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ u_{Oil\,tank} = \frac{\partial p}{\partial r} \times 0.5 \times (R \times R - C_H \times R) / \mu \]

Where:

Explanation: This formula calculates fluid velocity by considering the pressure-driven flow between two surfaces with specific clearance and viscosity characteristics.

3. Importance of Fluid Velocity Calculation

Details: Accurate fluid velocity calculation is crucial for designing hydraulic systems, optimizing lubrication processes, predicting flow behavior in industrial applications, and ensuring proper system performance.

4. Using the Calculator

Tips: Enter pressure gradient in N/m³, horizontal distance in meters, hydraulic clearance in meters, and dynamic viscosity in Pa·s. All values must be positive (except clearance which can be zero).

5. Frequently Asked Questions (FAQ)

Q1: What is pressure gradient in fluid mechanics?
A: Pressure gradient is the rate of change of pressure with respect to distance in a particular direction, driving fluid flow from high to low pressure regions.

Q2: How does hydraulic clearance affect fluid velocity?
A: Hydraulic clearance creates the flow passage between surfaces. Larger clearances generally allow higher flow rates, while smaller clearances create more resistance to flow.

Q3: What is dynamic viscosity?
A: Dynamic viscosity is a measure of a fluid's resistance to flow. Higher viscosity fluids flow more slowly under the same pressure gradient.

Q4: What are typical applications of this calculation?
A: This calculation is used in bearing design, hydraulic systems, lubrication analysis, and any application involving flow between closely spaced surfaces.

Q5: Are there limitations to this formula?
A: This formula assumes laminar flow, Newtonian fluid behavior, and constant properties. It may not be accurate for turbulent flow or non-Newtonian fluids.

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