| 학회 | 한국화학공학회 |
| 학술대회 | 2021년 가을 (10/27 ~ 10/29, 광주 김대중컨벤션센터) |
| 권호 | 27권 2호, p.1979 |
| 발표분야 | 이동현상 |
| 제목 | Calculation of the slot die cavity pressure using numerical computation |
| 초록 | Slot coating is a widely used coating method due to its various strengths, such as handling the film thickness. In the slot coating process, the coating flow encounters sudden expansion (at a die cavity) and sudden contraction (at a feed slot channel) passing a coating die manifold. These geometric characteristics cause a pressure difference in the slot die system. Meanwhile, one of the issues in the slot coating process is the segmentation of the coating solution. Viscous non-Newtonian coating solution used in the battery industry is easily segmented in a die cavity and causes lousy quality in the product. From this study, we have conducted a three-dimensional finite element analysis at a steady-state to calculate the pressure gradient in the cavity. Also, we are planning to measure the pressure in a cavity to determine whether a coating solution is segmented or not before the actual coating process is conducted. |
| 저자 | 민경민, 남재욱 |
| 소속 | 서울대 |
| 키워드 | 이동현상 |
| 원문파일 | 초록 보기 |
