Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

This is an AMP page - Open full page! for all features.

• the most efficient way to navigate the Engineering ToolBox!

# Air - Specific Heat Ratio

Specific Heat Ratio of Air at Standard Atmospheric Pressure in Imperial (BG) Units:

Air - Specific Heat Ratio vs. Temperature - Imperial Units
Temperature
- t -
(oF)
Specific Heat Ratio
k = cp / cv
-40 1.401
-20 1.401
0 1.401
10 1.401
20 1.401
30 1.401
40 1.401
50 1.401
60 1.401
70 1.401
80 1.400
90 1.400
100 1.400
120 1.400
140 1.399
160 1.399
180 1.399
200 1.398
300 1.394
400 1.389
500 1.383
750 1.367
1000 1.351
1500 1.329
• cp = specific heat - constant pressure
• cv = specific heat - constant volume

Specific Heat Ratio of Air at Standard Atmospheric Pressure in SI Units:

Air - Specific Heat Ratio vs. Temperature - SI Units
Temperature
- t -
(oC)
Specific Heat Ratio
k = cp / cv
-40 1.401
-20 1.401
0 1.401
5 1.401
10 1.401
15 1.401
20 1.401
25 1.401
30 1.400
40 1.400
50 1.400
60 1.399
70 1.399
80 1.399
90 1.398
100 1.397
200 1.390
300 1.379
400 1.368
500 1.357
1000 1.321

## Related Topics

### • Gases and Compressed Air

Properties of air, LNG, LPG and other common gases. Pipeline capacities and sizing of relief valves.

### • Material Properties

Properties of gases, fluids and solids. Densities, specific heats, viscosities and more.

## Related Documents

### Air - Composition and Molecular Weight

Dry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts.

### Air - Molecular Weight and Composition

Dry air is a mixture of gases where the average molecular weight (or molar mass) can be calculated by adding the weight of each component.

### Air - Specific Heat vs. Pressure at Constant Temperature

Figures and tables with isobaric (Cp) and isochoric (Cv) specific heat of air at constant temperature and pressure ranging 0.01 to 10000 bara.

### Air - Specific Heat vs. Temperature at Constant Pressure

Online calculator with figures and tables showing specific heat (Cp and Cv) of dry air vs. temperature and pressure. SI and imperial units.

### Air - Thermal Conductivity vs. Temperature and Pressure

Online calculator with figures and tables showing air thermal conductivity vs. temperature and pressure. SI and imperial units.

### Gases - Ratios of Specific Heat

Ratios of specific heat for gases with constant pressure and volume processes.

### Gases - Specific Heats and Individual Gas Constants

Specific heat at constant volume, specific heat at constant pressure, specific heat ratio and individual gas constant - R - common gases as argon, air, ether, nitrogen and many more.

### Specific Heat - Online Unit Converter

Online specific heat converter with the most commonly used units.

## Search Engineering ToolBox

• the most efficient way to navigate the Engineering ToolBox!

## SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!