Sensitivity Analysis of Pollutants and Pattern Factor in a Gas Turbine Model Combustor due to Changes in Stabilizing Jets Characteristics

作     者：BAZDIDI-TEHRANI Farzad TEYMOORI Alireza GHIYASI Mehdi BAZDIDI-TEHRANI Farzad;TEYMOORI Alireza;GHIYASI Mehdi

作者机构：School of Mechanical EngineeringIran University of Science and TechnologyTehran16846-13114Iran 

出 版 物：《Journal of Thermal Science》 (热科学学报（英文版）)

年 卷 期：2022年第31卷第5期

页      面：1622-1641页

核心收录：

学科分类：080704[工学-流体机械及工程] 08[工学] 0807[工学-动力工程及工程热物理] 

主　　题：model jet-stabilized combustor liquid fuel injection sensitivity analysis design of experiments pollutants pattern factor 

摘      要：In the present paper,a sensitivity analysis of pollutants and pattern factor in a model combustor due to changes in the geometrical characteristics of stabilizing jets has been carried *** exhaust pollutants including NO_(x),CO and soot have been chosen due to their harmful effect on the *** pattern factor has been also considered owing to its impact on turbine *** geometrical characteristics comprise diameter,angle and position of stabilizing ***-Lagrangian approach has been employed to model liquid fuel injection and distribution,breakup and evaporation of *** the analysis of reactive-spray flow characteristics,RANS approach,realizable k-εturbulence model,discrete ordinates radiative heat transfer model and steady flamelet combustion model together with the chemical reaction mechanism of diesel fuel(C_(10)H_(22))have been ***_(x) modeling has been performed via *** analysis is such that by making variations in the problem inputs(diameter,angle and position of jets)in an organized manner,the effects on the outputs(NO_(x),CO,soot and pattern factor)are *** number and order of simulations are predicted by design of experiments and full factorial *** have been analyzed using analysis of *** has been observed that if interactions among the characteristics of jets are considered,it is possible to analyze the exhaust pollutants more *** fact,by using the interactions,it is likely to find a point where all output parameters are *** show that by considering interactions of stabilizing jet characteristics,the maximum values of NO_(x),CO,soot and pattern factor change from 13.927 ppm,11.198%mole fraction,2.877 ppm and 0.043 to 26.233 ppm,14.693%mole fraction,142.357 ppm and 0.060,***,the minimum values change from 5.819 ppm,7.568%mole fraction,0.013 ppm and 0.029 to 6.098 ppm,5.987%mole fraction,0.002 ppm and 0.027,respectively.