Specifies the ratio of gas specific heats, k. The value for air is 1.4.
Typical values are shown below:
Gas |
Ratio of Gas-Specific Heats (k) |
---|---|
Superheated Steam |
1.300 |
Saturated Steam |
1.100 |
Nitrogen |
1.399 |
Carbon Dioxide |
1.288 |
Acetylene |
1.232 |
Ammonia |
1.304 |
n-Butane |
1.093 |
Ethane |
1.187 |
Ethylene |
1.240 |
Methane |
1.226 |
Propane |
1.127 |