CAJ | 학술논문

根据流线型喷嘴流道的数学表达式，建立物理模型。根据实际项目中的设计参数，运用FLUENT分别对不同高度的流线型喷嘴进行数值模拟。通过分析喷嘴射流的速度场、压力场和湍动能等物理量的分布规律，研究不同高度对喷嘴射流性能的影响。研究结果表明：流线型喷嘴高度应在3?0d～3?5d之间取值为最佳，为流线型喷嘴高度的设计及其他喷嘴的结构参数设计提供参考。
근거류선형분취류도적수학표체식，건립물리모형。근거실제항목중적설계삼수，운용FLUENT분별대불동고도적류선형분취진행수치모의。통과분석분취사류적속도장、압력장화단동능등물리량적분포규률，연구불동고도대분취사류성능적영향。연구결과표명：류선형분취고도응재3?0d～3?5d지간취치위최가，위류선형분취고도적설계급기타분취적결구삼수설계제공삼고。
The physical model of the streamline jet nozzle was established according to the mathematic expression. According to the design parameters of the actual project, streamline nozzles with different height were numerically simulated by using the FLUENT software respectively. The influence of different height on the nozzle jet performance was researched through the analysis of the physics distribution rule of velocity, pressure and turbulent kinetic energy of the nozzle jet flow field. The results show that the streamline nozzle height must be chosen between 3?0d to 3?5d values as the best, which provides a reference for the height and other nozzle structural parameters design.