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Psychrometric Moist Air Enthalpy & Specific Volume Calculator

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

Ambient air dry-bulb temperature.

Specific moisture content in grams of water vapor per kg dry air.

Barometric pressure (standard sea level = 101.325 kPa).

Calculated Result
48.3 kJ/kg

Specific Enthalpy

Specific Enthalpy

48.3 kJ/kg

Moist Air Enthalpy Kj Kg

48.3

Specific Volume M3 Kg

0.855

Moist Air Density Kg M3

1.181

Latent Heat Component Kj Kg

23.8

48.3 — kJ/kg

Calculation Breakdown

  1. Applied FormulaEvaluates moist air specific enthalpy, specific volume, and mixture density per ASHRAE Fundamentals psychrometric equations.h = c_{pa} T + W(h_{fg0} + c_{pv} T), \quad v = \frac{R_a T}{P}(1 + 1.6078 W)

Psychrometric Moist Air Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.012243648Specific Enthalpy

What Is the Psychrometric Moist Air Enthalpy & Specific Volume Calculator?

This tool computes psychrometric moist air enthalpy & specific volume calculator with high precision arithmetic.

How Does the Psychrometric Moist Air Enthalpy & Specific Volume Calculator Work?

Evaluates moist air specific enthalpy, specific volume, and mixture density per ASHRAE Fundamentals psychrometric equations.

Psychrometric Moist Air Enthalpy & Specific Volume Calculator Formula & Variables

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

h=cpaT+W(hfg0+cpvT),v=RaTP(1+1.6078W)h = c_{pa} T + W(h_{fg0} + c_{pv} T), \quad v = \frac{R_a T}{P}(1 + 1.6078 W)

Evaluates moist air specific enthalpy, specific volume, and mixture density per ASHRAE Fundamentals psychrometric equations.

How to Use the Psychrometric Moist Air Enthalpy & Specific Volume Calculator

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

Step-by-Step Example Calculation

Psychrometric Moist Air Enthalpy & Specific Volume Calculator Example

Input Values:

dryBulbTemperatureCelsius:24.0
humidityRatioGramsPerKg:9.5
atmosphericPressureKPa: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.

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.

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