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Reduced Volume of Real Gas given Clausius Parameter c, Reduced and Actual Parameters Calculator

Reduced Volume Formula:

\[ V_r = \frac{V_{real}}{\left(\frac{3R\left(\frac{T_{real}}{T_r}\right)}{8\left(\frac{P_{real}}{P_r}\right)} - c\right)} \]

K
Pa

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1. What is Reduced Volume of Real Gas?

Definition: Reduced Volume of a fluid is computed from the ideal gas law as the ratio of its actual volume to critical volume.

Purpose: It helps in comparing the behavior of real gases under different conditions using reduced properties.

2. How Does the Calculator Work?

The calculator uses the Clausius equation:

\[ V_r = \frac{V_{real}}{\left(\frac{3R\left(\frac{T_{real}}{T_r}\right)}{8\left(\frac{P_{real}}{P_r}\right)} - c\right)} \]

Where:

3. Importance of Reduced Volume Calculation

Details: Reduced properties allow comparison of different gases at similar conditions relative to their critical points.

4. Using the Calculator

Tips: Enter all required parameters. The Clausius parameter c has a default value of 0.0002 but can be adjusted based on the specific gas.

5. Frequently Asked Questions (FAQ)

Q1: What is the Clausius parameter c?
A: It's an empirical parameter characteristic to the Clausius equation of state for real gases.

Q2: How do I get reduced temperature and pressure?
A: Reduced properties are the actual values divided by their critical values (T/Tc and P/Pc).

Q3: What units should I use?
A: Use SI units: m³ for volume, K for temperature, and Pa for pressure.

Q4: Can this be used for any gas?
A: Yes, but accuracy depends on having the correct Clausius parameter for your specific gas.

Q5: Why use reduced properties?
A: They help create generalized correlations that work for many substances.

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