Simulation of Turbulent Reacting Flows inside Dump Combustor

• Main Authors: Chang,Feng-Shyang, 張鳳祥
• Other Authors: C.A. Lin
• Format: Others
• Language: en_US
• Published: 1997
• Online Access: http://ndltd.ncl.edu.tw/handle/06352074407930360023

碩士 === 國立清華大學 === 動力機械工程學系 === 85 === The objective of this study is focused on the modelling of the non-swirling turbulent reacting flows in combustion chambers. Variance turbulent models, k-e model and second moment closure, and chemistry models, fast chemistry and laminar flamelets, will be performed to investigate. The numerical framework of the present prediction procedure predicting is based on the finite volume method, adopting Hybrid, QUICK and Bounded QUICK scheme in convection terms and SIMPLE algorithmto solve the pressure field. The efforts concentrates on the computation of non-premixed hydrogen-air flame in a dump combustor. The present study reports the first study adopting more complex chemistry models, laminar flamelet models, in conjunction with turbulence models to compute confined turbulent reacting flows. The merits of the models is scrutinized by comparing the predicted results with measurements availiable