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Air Mixing Stream Temperature, Humidity & Enthalpy Calculator

Easily calculate and compute air mixing stream temperature, humidity & enthalpy calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
26.75 °C

Mixed Air Temperature T_mix

Mixed Air Temperature T_mix

26.75 °C

Mixed Temp C

26.75

Mixed Humidity G Per Kg

11.63

Mixed Enthalpy Kj Per Kg

56.56

Outdoor Air Pct

25

26.75 — °C

Calculation Breakdown

  1. Applied FormulaCalculates the mixed air dry-bulb temperature and humidity ratio in an Air Handling Unit (AHU) plenum by mass-weighted averaging of outdoor fresh air and recirculated return air.T_{\text{mix}} = \frac{\dot{m}_{\text{oa}} T_{\text{oa}} + \dot{m}_{\text{ra}} T_{\text{ra}}}{\dot{m}_{\text{total}}}, \quad W_{\text{mix}} = \frac{\dot{m}_{\text{oa}} W_{\text{oa}} + \dot{m}_{\text{ra}} W_{\text{ra}}}{\dot{m}_{\text{total}}}

AHU Mixed Air Conditions Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.06.7132027Mixed Air Temperature T_mix

What Is the Air Mixing Stream Temperature, Humidity & Enthalpy Calculator?

This tool computes air mixing stream temperature, humidity & enthalpy calculator with high precision arithmetic.

How Does the Air Mixing Stream Temperature, Humidity & Enthalpy Calculator Work?

Calculates the mixed air dry-bulb temperature and humidity ratio in an Air Handling Unit (AHU) plenum by mass-weighted averaging of outdoor fresh air and recirculated return air.

Air Mixing Stream Temperature, Humidity & Enthalpy Calculator Formula & Variables

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

Tmix=m˙oaToa+m˙raTram˙total,Wmix=m˙oaWoa+m˙raWram˙totalT_{\text{mix}} = \frac{\dot{m}_{\text{oa}} T_{\text{oa}} + \dot{m}_{\text{ra}} T_{\text{ra}}}{\dot{m}_{\text{total}}}, \quad W_{\text{mix}} = \frac{\dot{m}_{\text{oa}} W_{\text{oa}} + \dot{m}_{\text{ra}} W_{\text{ra}}}{\dot{m}_{\text{total}}}

Calculates the mixed air dry-bulb temperature and humidity ratio in an Air Handling Unit (AHU) plenum by mass-weighted averaging of outdoor fresh air and recirculated return air.

How to Use the Air Mixing Stream Temperature, Humidity & Enthalpy Calculator

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

Step-by-Step Example Calculation

Air Mixing Stream Temperature, Humidity & Enthalpy Calculator Example

Input Values:

outdoorAirFlowCfm:2000
outdoorTempC:35
outdoorHumidityGPerKg:18
returnAirFlowCfm:6000
returnTempC:24
returnHumidityGPerKg:9.5
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required °C.

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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