Turbulent Partially Cracked Ammonia/air Flames in Spherical Vessel - Archive ouverte HAL Accéder directement au contenu
Communication Dans Un Congrès Année : 2023

Turbulent Partially Cracked Ammonia/air Flames in Spherical Vessel

Résumé

The partial dissociation of the Ammonia molecule appears as a potentially interesting strategy not only to enhance Ammonia's combustion properties but also to guarantee flexibility for power production. Using the spherical expanding flame configuration, laminar burning velocities, Markstein lengths and turbulent flame speeds were measured for cracking ratios ranging from 10 to 40%, and 3 equivalence ratios of 0.8, 1.0 and 1.2. It was observed that lean mixtures exhibit the greatest increase in turbulent to laminar velocity ratio given the same turbulent intensity. This is was potentially due to opposite stretch related behaviour as well as preferential diffusional instability effects. Measurements presented herein correlate well with a Lewis Number weighted turbulent flame speed scaling law.
Fichier principal
Vignette du fichier
ICFD_paper_Zitouni.pdf (466 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Licence : CC BY NC ND - Paternité - Pas d'utilisation commerciale - Pas de modification

Dates et versions

hal-04402596 , version 1 (18-01-2024)

Identifiants

  • HAL Id : hal-04402596 , version 1

Citer

S. Zitouni, Pierre Brequigny, Christine Mounaïm-Rousselle. Turbulent Partially Cracked Ammonia/air Flames in Spherical Vessel. Twentieth International Conference on Flow Dynamics, Nov 2023, Sendai, Japan. ⟨hal-04402596⟩
3 Consultations
2 Téléchargements

Partager

Gmail Facebook X LinkedIn More