1. What is Free Stream Velocity?

Free Stream Velocity is defined as at some distance above the boundary the velocity reaches a constant value that is free stream velocity. It represents the velocity of the fluid flow unaffected by the boundary layer effects.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( u_\infty \) — Free Stream Velocity (m/s)
• \( k_L \) — Convective Mass Transfer Coefficient (m/s)
• \( Sc \) — Schmidt Number (dimensionless)
• \( C_D \) — Drag Coefficient (dimensionless)

Explanation: This formula relates the free stream velocity to convective mass transfer coefficient, Schmidt number, and drag coefficient for flat plate laminar flow conditions.

3. Importance of Free Stream Velocity Calculation

Details: Calculating free stream velocity is crucial for analyzing fluid flow behavior, designing aerodynamic systems, and understanding mass transfer phenomena in various engineering applications involving flat plate laminar flow.

4. Using the Calculator

Tips: Enter convective mass transfer coefficient in m/s, Schmidt number (dimensionless), and drag coefficient (dimensionless). All values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is Convective Mass Transfer Coefficient?
A: Convective Mass Transfer Coefficient is a function of geometry of the system and the velocity and properties of the fluid similar to the heat transfer coefficient.

Q2: What is Schmidt Number?
A: Schmidt number (Sc) is a dimensionless number defined as the ratio of momentum diffusivity (kinematic viscosity) and mass diffusivity.

Q3: What is Drag Coefficient?
A: Drag Coefficient is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.

Q4: When is this formula applicable?
A: This formula is specifically applicable for flat plate laminar flow conditions where the relationship between these parameters holds true.

Q5: What are typical values for these parameters?
A: Typical values vary depending on the fluid and flow conditions. Convective mass transfer coefficients range from 0.001-0.1 m/s, Schmidt numbers from 0.1-1000, and drag coefficients from 0.001-2.0 for various flow conditions.