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Calculate Wet Bulb Temp

Wet Bulb Temperature Formula:

\[ T_w = T_d - ((T_d - T_{w\_approx}) \times (1 - \frac{RH}{100})) \]

°C
%
°C

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1. What is Wet Bulb Temperature?

Definition: Wet bulb temperature is the lowest temperature that can be reached by evaporating water into the air at constant pressure.

Purpose: It's important in meteorology, HVAC design, and industrial processes where evaporation cooling is involved.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ T_w = T_d - ((T_d - T_{w\_approx}) \times (1 - \frac{RH}{100})) \]

Where:

Explanation: The formula estimates the wet bulb temperature based on the dry bulb temperature, relative humidity, and an initial approximation.

3. Importance of Wet Bulb Temperature

Details: Wet bulb temperature is crucial for understanding human comfort, predicting frost, designing cooling systems, and assessing heat stress in workplaces.

4. Using the Calculator

Tips: Enter the dry bulb temperature, relative humidity (0-100%), and an initial approximation (default 15°C). The calculator will estimate the wet bulb temperature.

5. Frequently Asked Questions (FAQ)

Q1: What's a typical initial approximation value?
A: 15°C is a good starting point for most conditions, but you can adjust based on your specific environment.

Q2: How accurate is this calculation?
A: This is an estimation. For precise measurements, use a psychrometer or more complex thermodynamic formulas.

Q3: What's the relationship between wet bulb and dew point?
A: Wet bulb temperature is always between the dry bulb temperature and dew point temperature.

Q4: Why is wet bulb temperature important for human health?
A: High wet bulb temperatures (above 35°C) can be dangerous as they limit the body's ability to cool through sweating.

Q5: Can this be used for Fahrenheit temperatures?
A: No, this formula is designed for Celsius inputs. Convert Fahrenheit to Celsius first if needed.

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