Optimal Design of Transport and Reaction Pattern in Premixed Methane-air Micro-combustor
| Autor: | Xuepu Cao, Kuo-Tsong Yu, Yiqing Luo, Shengkun Jia, Xigang Yuan |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Optimal design
Body force Materials science 020209 energy 02 engineering and technology Mechanics Combustion Methane air Methane chemistry.chemical_compound 020401 chemical engineering chemistry Thermodynamic limit 0202 electrical engineering electronic engineering information engineering Combustor Vector field 0204 chemical engineering |
| DOI: | 10.1016/b978-0-444-64241-7.50319-0 |
| Popis: | The importance of developing micro-combustor with high efficient is apparent, due to the demand for miniature power source with high energy density. A two-dimension model of micro-combustor for a premixed methane/air mixtures combustion process, under the condition of stable burning, was constructed. The availability and the entropy generation of the combustion were analyzed. The minimum of entropy generation was set as the objective function, subject to a constraint of constant viscous dissipation. Through variation calculation, an optimal velocity field and associate body force field were obtained. Such a solution provided a thermodynamic limit to the enhancement of the combustion process. Inspired by the flow field obtained by the optimization, an improved internal structure of the micro-combustor that gave a higher efficiency was suggested and analyzed. The results obtained can provide a guideline for the design of micro-combustor with high burning efficiency. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|