Simulation of airflow motion in jet nozzle with different geometric parameters
Jet nozzle with tangentially injected airflow has been applying into spinning technology due to the tangential force produced by swirling airflow.In order to understand the airflow motion trajectory in jet nozzle,modify the nozzle structure and dimension,FLUENT software program is used.Some parameters which are closely related the airflow motion profiles are studied,such as the diameter of nozzle chamber,the diameter and angle of the orifice.The results showed that the intensity of air swirling is more strong in a smaller nozzle chamber; a larger orifice diameter is helpful for producing strong yarn and improving production efficiency,but it requires a larger nozzle chamber,therefore,a reasonable rate of orifice and nozzle chamber diameter is important; as the orifice angle increases,the tangential velocity decreases,which decreases the intensity of airflow swirling,and a small orifice angle will cause a larger reverse jet,which is bad to thaw the fibers into the nozzle.
simulation jet nozzle air flow velocity
Guo cheng Zhu Sayed Ibrahim Jiri Militky Yan Wang Dana Kremenakova
Department of Textile Technologies, Faculty of Textile Engineering, Technical University of Liberec, Department of Textile Materials, Faculty of Textile Engineering, Technical University of Liberec,Lib
国际会议
北京
英文
869-876
2012-12-16（万方平台首次上网日期，不代表论文的发表时间）