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مدل سازی احتراق نیمه پیش مخلوط مغشوش پشت جسم مانع با روش فلیملت
قدیمی، محمد رضا Ghadimi, Mohammad Reza
Turbulent Partially Premixed Flame Modeling Behind a Bluff-Body Using the Flamelet Approach
Ghadimi, Mohammad Reza | 2020
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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 53262 (45)
- University: Sharif University of Technology
- Department: Aerospace Engineering
- Advisor(s): Salehi, Mohammad Mehdi
- Abstract:
- This thesis presents turbulent partially premixed combustion modeling behind a bluff-body by using the Flamelet Generated Manifold. The objective of the present work is to develop a 4D FGM program to simulate partially premixed combustion at a reasonable computational cost. Pre-tabulated data of this manifold is obtained by using a correlated joint PDF. An in-house code is developed to build a pre-tabulated library in conjunction with a correlated PDF. Also, an exclusive OpenFOAM solver is created by employing the PIMPLE algorithm. This solver provides the link of the computational domain with the pre-tabulated chemistry. This program is used to simulate Cambridge-Sandia stratified burner that has a high potential for partially premixed combustion. Results suggest that correlated PDF has a better performance than double-beta uncorrelated PDF in general.
- Keywords:
- Combustion Modeling ; Premixed Combustion ; Stratified Burner ; Bluff-Body ; Correlated Joint-PDF ; OpenFlow Protocol
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