Absolute Velocity Given Thrust Exerted By Jet On Plate Calculator

Formula Used:

\[ V_{absolute} = \sqrt{\frac{m_f \times G}{\gamma_f \times A_{Jet}}} + v \]

Fluid Mass (m_f):

Specific Gravity of Fluid (G):

Specific Weight of Liquid (γ_f):

N/m³

Cross Sectional Area of Jet (A_Jet):

m²

Velocity of Jet (v):

m/s

Absolute Velocity of Issuing Jet (V_absolute):

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1. What is Absolute Velocity of Issuing Jet?

Absolute Velocity of Issuing Jet is the actual velocity of jet used in propeller systems. It represents the combined effect of the jet's inherent velocity and the velocity component derived from fluid properties and cross-sectional area.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ V_{absolute} = \sqrt{\frac{m_f \times G}{\gamma_f \times A_{Jet}}} + v \]

Where:

\( V_{absolute} \) — Absolute velocity of issuing jet (m/s)
\( m_f \) — Fluid mass (kg)
\( G \) — Specific gravity of fluid
\( \gamma_f \) — Specific weight of liquid (N/m³)
\( A_{Jet} \) — Cross sectional area of jet (m²)
\( v \) — Velocity of jet (m/s)

Explanation: The formula calculates the square root of the ratio between the product of fluid mass and specific gravity, and the product of specific weight and cross-sectional area, then adds the jet velocity.

3. Importance of Absolute Velocity Calculation

Details: Calculating absolute velocity is crucial for understanding jet propulsion systems, designing efficient propellers, and analyzing fluid dynamics in various engineering applications.

4. Using the Calculator

Tips: Enter all values in appropriate units (kg for mass, N/m³ for specific weight, m² for area, m/s for velocity). All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is the difference between absolute velocity and jet velocity?
A: Jet velocity is the inherent speed of the jet, while absolute velocity includes additional velocity components from fluid properties and system characteristics.

Q2: When is this calculation particularly important?
A: This calculation is essential in propeller design, jet propulsion systems, and fluid dynamics analysis where accurate velocity measurements are critical.

Q3: What are typical values for absolute velocity?
A: Values vary widely depending on the application, but typically range from a few m/s to several hundred m/s in high-performance systems.

Q4: Are there limitations to this formula?
A: The formula assumes ideal fluid conditions and may need adjustments for real-world applications with friction, turbulence, or compressibility effects.

Q5: How does specific gravity affect the result?
A: Higher specific gravity increases the numerator in the square root term, resulting in higher absolute velocity, assuming other factors remain constant.