- 다양한 각도로 기울어진 직관내에서 아이스슬러리 유동시 압력손실과 IPF 변화
- ㆍ 저자명
- 김규목,박기원,Kim. Kyu-Mok,Park. Ki-Won
- ㆍ 간행물명
- 설비공학논문집
- ㆍ 권/호정보
- 2004년|16권 11호|pp.1028-1034 (7 pages)
- ㆍ 발행정보
- 대한설비공학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
Recently, the ice storage system using ice slurry has been used increasingly since it has been introduced where the rapid cooling load change is required. Because it overcomes a decrease of the melting performance and an increase of the thermal resistance on the ice layer in static ice thermal storage system. This study is performed to understand the effects of transporting ice slurry through horizontal, vertical and inclined tubes ($30^{circ},;45^{circ}$). It used propylene glycol-water solution and ice particles (diameter of about 2 mm) in this experiment. The experiments were carried out under various conditions, with concentration of water solution ranging from 0 to $20wt\%$, and velocity of water solution at the entry ranging from 1.5 to 2.5 m/s. The results were as follows: Regarding the angle of inclined tube, the highest pressure loss was measured for vertical tube and the pressure loss for $45^{circ},;30^{circ}$, horizontal straight tubes were lower successively. The lowest pressure loss in these tubes was measured at velocity of $2.0{sim}2.5m/s$ and concentration of $10wt\%$. The outlet IPF was likewise stable in these ranges.