Abstract
Modeling study is performed to reveal the special features of the entrainment of ambient air into turbulent air jets. Two different types of jet flows are considered, i.e. the isothermal and non-isothermal jets. It is found that due to the continuous entrainment of ambient air into the free jet, the temperature, axial velocity in downstream of the jet potential core rapidly decrease in the direction of jet axis. The modeling results concerning the jet entrainment rate agree well with those calculated by the experimental correlation built in the literature for the gas jet entrainment using a specially designed porous chamber technique.
| Original language | English |
|---|---|
| Pages (from-to) | 1025-1027 |
| Number of pages | 3 |
| Journal | Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics |
| Volume | 29 |
| Issue number | 6 |
| State | Published - Jun 2008 |
Keywords
- Entrainment
- Modeling
- Turbulent jet
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