한국식품과학회지 (Korean Journal of Food Science and Technology)
- 제17권3호
- /
- Pages.208-212
- /
- 1985
- /
- 0367-6293(pISSN)
이륜형 압출기의 체류시간 분포에 대한 역피치 스크류의 효과
Effect of Reverse Screw Elements on the Residence Time Distribution in Twin-Screw Extruder
- 임재각 (고려대학교 식품공학과) ;
- 약궁우희 (일본 농림성 식품총합연구소 식품제조공학실) ;
- 야구명덕 (일본 농림성 식품총합연구소 식품제조공학실) ;
- 이철호 (고려대학교 식품공학과)
- Lim, J.K. (Department of Food Technology, Korea University) ;
- Wakamiya, S. (Food Engineering Lab., National Food Research Institute) ;
- Noguchi, A. (Food Engineering Lab., National Food Research Institute) ;
- Lee, C.H. (Department of Food Technology, Korea University)
- 발행 : 1985.06.01
초록
이륜형 식품 압출기에서 체류시간의 분포에 대한 reverse screw element의 효과를 보기 위하여 여러가지 screw 조합에 따른 체류시간의 분포를 실험적으로 평가 하였다. Forwarding screw에서 형성된 C. chamber의 수를 평가하기 위해 아래와 같은 model equation을 도출 하였다.
The residence time distributions were measured experimentally to determine the effect of reverse screw elements at various screw configurations in twin screw extruder. A simple model was used to estimate the number of filled C-chamber on the forwarding screw. The inclusion of reverse-screw elements resulted in the increase of median residence time and the broadening of color distribution. True residence time was affected by using the reverse screw elements just before the die. The number of filled C-chamber was decreased with the increase of screw revolution speed at the same screw configuration.
키워드