A three-dimensional computational fluid dynamics model is developed by software Fluent 6.2, to simulate the flow field inside the nozzle block of the Murata vortex spinning. The flowing state and the distribution law ...A three-dimensional computational fluid dynamics model is developed by software Fluent 6.2, to simulate the flow field inside the nozzle block of the Murata vortex spinning. The flowing state and the distribution law of static pressure and velocity are characterized and analyzed. The relationship between the flowing state and the structure of the vortex spun yarn is also discussed. The research results can enhance the understanding of the yarn formation principle from viewpoint of the airflow field law inside the nozzle block of Murata vortex spinning.展开更多
Aiming at the nozzle blocking problem in rectangular bloom production, analyze the reason, and put forword to using non-aluminium producing process to solve this problem. By analysis the experiment data, that indicate...Aiming at the nozzle blocking problem in rectangular bloom production, analyze the reason, and put forword to using non-aluminium producing process to solve this problem. By analysis the experiment data, that indicate using non-aluminium process we can get good desulfurization and white slag, also get good castability and best quality. This process can fulfill the requirement of produce, it is reasonable and feasible.展开更多
基金This project is supported by the National Natural Science Foundation of China,under grant No.10872047.
文摘A three-dimensional computational fluid dynamics model is developed by software Fluent 6.2, to simulate the flow field inside the nozzle block of the Murata vortex spinning. The flowing state and the distribution law of static pressure and velocity are characterized and analyzed. The relationship between the flowing state and the structure of the vortex spun yarn is also discussed. The research results can enhance the understanding of the yarn formation principle from viewpoint of the airflow field law inside the nozzle block of Murata vortex spinning.
文摘Aiming at the nozzle blocking problem in rectangular bloom production, analyze the reason, and put forword to using non-aluminium producing process to solve this problem. By analysis the experiment data, that indicate using non-aluminium process we can get good desulfurization and white slag, also get good castability and best quality. This process can fulfill the requirement of produce, it is reasonable and feasible.