Airport Reference Temperature Calculation Explained

The Airport Reference Temperature (ART) is a critical value used in aviation, particularly for airport design and air conditioning systems. It represents a typical temperature condition experienced during the hottest periods.

Understanding the Calculation

To determine the Airport Reference Temperature, we use specific temperature data from the hottest month of the year. The calculation involves both the monthly mean of the average daily temperature and the monthly mean of the maximum daily temperature.

The formula commonly applied, which utilizes both provided data points, is:

$$ \text{ART} = T_{avg\_mean} + \frac{1}{3} \times (T_{max\_mean} - T_{avg\_mean}) $$

Where:

• $T_{avg\_mean}$ is the monthly mean of the average daily temperature.
• $T_{max\_mean}$ is the monthly mean of the maximum daily temperature.

Applying the Formula

Given values:

• Monthly mean of average daily temperature ($T_{avg\_mean}$) = 24°C
• Monthly mean of maximum daily temperature ($T_{max\_mean}$) = 30°C

Substitute these values into the formula:

$$ \text{ART} = 24^\circ\text{C} + \frac{1}{3} \times (30^\circ\text{C} - 24^\circ\text{C}) $$

First, calculate the difference between the maximum and average temperatures:

$$ (30^\circ\text{C} - 24^\circ\text{C}) = 6^\circ\text{C} $$

Next, find one-third of this difference:

$$ \frac{1}{3} \times 6^\circ\text{C} = 2^\circ\text{C} $$

Finally, add this value to the monthly mean of the average daily temperature:

$$ \text{ART} = 24^\circ\text{C} + 2^\circ\text{C} $$

$$ \text{ART} = 26^\circ\text{C} $$

Summary of Results

Here's a summary of the input data and the calculated Airport Reference Temperature:

Therefore, based on the provided data and the applied calculation method, the Airport Reference Temperature is 26°C.