Effect of slot end faces on the three-dimensional airflow field from the melt-blowing die
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Yudong Wang
und
Jianping Zhou
Abstract
In order to investigate the effect of the slot ends of the melt-blowing die on the three-dimensional airflow field distribution and the fiber draft, the numerical calculation was carried out. The computational domain of the slot die was established with Gambit, and the flow field was calculated using FLUENT. Compared with the experimental data collected by a hot-wire anemometer, the numerical calculation results are credible. The results show that the slot end face has a certain influence on the three-dimensional flow field distribution under the melt-blowing die. The air velocity and temperature in the center region are quite different from those near the slot-end face. As the distance from the center of the flow field increases, the velocity and temperature on the spinning line begin to decrease. The velocity and temperature distributions of the spinning lines in the central area and nearby areas are almost the same; the temperature and velocity values on the spinning lines near the slot end are the lowest. The distribution characteristics of the three-dimensional airflow field could affect the uniformity of the fiber diameter and the meltblowing products.
Funding source: Provincial Key Laboratory of Soochow University
Award Identifier / Grant number: KJS1836
Funding source: College Innovation Project
Award Identifier / Grant number: 201701D31111186
Funding source: Scientific and Technological Innovation Programs of Higher Education Institution
Award Identifier / Grant number: 2019L0992
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: 51765063
Award Identifier / Grant number: 51365053
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This work was financially supported by Provincial Key Laboratory of Soochow University (KJS1836), the College Innovation Project (no. 201701D31111186), Scientific and Technological Innovation Programs of Higher Education Institution in Shanxi (no. 2019L0992) and the National Natural Science Foundation of China (grant nos. 51765063 and 51365053).
Conflict of interest statement: The authors declare that there is no conflict of interests regarding the publication of this article.
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Artikel in diesem Heft
- Frontmatter
- Material properties
- Effects of ethanol content on the properties of silicone rubber foam
- Swelling behavior and mechanical properties of Chitosan-Poly(N-vinyl-pyrrolidone) hydrogels
- Microcellular foaming behavior of ether- and ester-based TPUs blown with supercritical CO2
- Influence of chain interaction and ordered structures in polymer dispersed liquid crystalline membranes on thermal conductivity
- Experimental investigations on compressive, impact and prediction of stress-strain of fly ash-geopolymer and portland cement concrete
- Preparation and assembly
- Fabrication of poly (1, 8-octanediol-co-Pluronic F127 citrate)/chitin nanofibril/bioactive glass (POFC/ChiNF/BG) porous scaffold via directional-freeze-casting
- Engineering and processing
- Continuous reactors of frontal polymerization in flow for the synthesis of polyacrylamide hydrogels with prescribed properties
- Effect of slot end faces on the three-dimensional airflow field from the melt-blowing die
- Experimental and numerical study of the crushing behavior of pultruded composite tube structure
Artikel in diesem Heft
- Frontmatter
- Material properties
- Effects of ethanol content on the properties of silicone rubber foam
- Swelling behavior and mechanical properties of Chitosan-Poly(N-vinyl-pyrrolidone) hydrogels
- Microcellular foaming behavior of ether- and ester-based TPUs blown with supercritical CO2
- Influence of chain interaction and ordered structures in polymer dispersed liquid crystalline membranes on thermal conductivity
- Experimental investigations on compressive, impact and prediction of stress-strain of fly ash-geopolymer and portland cement concrete
- Preparation and assembly
- Fabrication of poly (1, 8-octanediol-co-Pluronic F127 citrate)/chitin nanofibril/bioactive glass (POFC/ChiNF/BG) porous scaffold via directional-freeze-casting
- Engineering and processing
- Continuous reactors of frontal polymerization in flow for the synthesis of polyacrylamide hydrogels with prescribed properties
- Effect of slot end faces on the three-dimensional airflow field from the melt-blowing die
- Experimental and numerical study of the crushing behavior of pultruded composite tube structure
