Skip to main content
CalcPro

Moist Air Enthalpy, Humidity Ratio & Specific Volume Calculator

Easily calculate and compute moist air enthalpy, humidity ratio & specific volume calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
47.75 kJ/kg dry air

Specific Enthalpy h

Specific Enthalpy h

47.75 kJ/kg dry air

Enthalpy Kj Per Kg

47.75

Humidity Ratio G Per Kg

9.27

Specific Volume M3 Per Kg

0.854

Dry Bulb Temp C

24

47.75 — kJ/kg dry air

Calculation Breakdown

  1. Applied FormulaComputes moist air specific enthalpy, humidity ratio (mixing ratio W in g/kg), and specific volume from dry-bulb temperature and relative humidity at atmospheric pressure.h = c_{pa} T + W (h_{we} + c_{pw} T) = 1.006 T + W (2501 + 1.86 T), \quad W = 0.622 \frac{p_w}{p_{\text{atm}} - p_w}

Air Enthalpy & Humidity Ratio Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.012243648Specific Enthalpy h

What Is the Moist Air Enthalpy, Humidity Ratio & Specific Volume Calculator?

This tool computes moist air enthalpy, humidity ratio & specific volume calculator with high precision arithmetic.

How Does the Moist Air Enthalpy, Humidity Ratio & Specific Volume Calculator Work?

Computes moist air specific enthalpy, humidity ratio (mixing ratio W in g/kg), and specific volume from dry-bulb temperature and relative humidity at atmospheric pressure.

Moist Air Enthalpy, Humidity Ratio & Specific Volume Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

h=cpaT+W(hwe+cpwT)=1.006T+W(2501+1.86T),W=0.622pwpatm−pwh = c_{pa} T + W (h_{we} + c_{pw} T) = 1.006 T + W (2501 + 1.86 T), \quad W = 0.622 \frac{p_w}{p_{\text{atm}} - p_w}

Computes moist air specific enthalpy, humidity ratio (mixing ratio W in g/kg), and specific volume from dry-bulb temperature and relative humidity at atmospheric pressure.

How to Use the Moist Air Enthalpy, Humidity Ratio & Specific Volume Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Moist Air Enthalpy, Humidity Ratio & Specific Volume Calculator Example

Input Values:

dryBulbTempC:24
relativeHumidityPct:50
atmPressureKpa:101.325
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required kJ/kg dry air.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

\n

Related Calculators

Explore more tools and calculators in Physics Calculators

Length Converter

Convert length and distance between metric and imperial units including meters, feet, inches, kilometers, miles, and yards with exact SI definitions.

Percentage Calculator

Calculate percentages: what % X is of Y, P% of X, % change, discount price, and percentage points.

Temperature Converter

Convert temperatures between Celsius (°C), Fahrenheit (°F), Kelvin (K), and Rankine (°R) with step-by-step thermodynamic formulas.

Ohm's Law & Electrical Power Calculator

Calculate Voltage (V), Current (I), Resistance (R), and Electrical Power (P) across DC circuits.

Density, Mass & Volume Calculator

Calculate density (ρ = m/V), material mass, or physical volume for solids, liquids, and gases.

Steam Turbine Surface Condenser Cooling Water Duty Calculator

Calculates surface condenser thermal heat rejection (MWth), circulating cooling water pumping volume (m³/h), and steam condensation rate.