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| Titel: |
Boundary Layer Diffusion Flame over a Flat Plate in the Presence and Absence of Flow Separation |
| Auteur: |
Ha, Ji Soo Shim, Sung Hoon Shin, Hyun Dong |
| Verschenen in: |
Combustion science and technology |
| Paginering: | Jaargang 75 (1991) nr. 4-6 pagina's 241-260 |
| Jaar: |
1991-02-01 |
| Inhoud: |
The experimental and numerical studies of the boundary layer diffusion flame over a porous plate have been conducted for two different flows in the presence and absence of flow separation. The present study investigates the local acceleration induced by flame and the interaction between separation of flow and diffusion flame. The main conclusions are summarized as follows: In the flow without flow separation, positive local acceleration makes the distortion and the overshoot of velocity in the boundary layer with diffusion flame. In the flow affected by flow separation, the effect of chemical reaction suppresses the tendency for flow separation. In the case of a lower fuel mass flux, a less active chemical reaction does not overcome the influence of flow separation, therefore separation bubble still exists and velocity overshoot could not be observed. On the other hand, a more active chemical reaction in the case of a higher fuel mass flux changes the pressure distribution as the favorable gradient so that the positive local acceleration makes the velocity overshoot downstream. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 1 van 11 gevonden artikelen
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