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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.11
- 수록면
- 2,491 - 2,498 (8page)
- DOI
- https://doi.org/10.1016/j.net.2020.05.001
이용수
초록· 키워드
오류제보하기
The paper concentrates on an experimental study of the pressure drop in double-layered packed bedsformed by glass spheres, having the configuration of horizontal and vertical stratification. Both singlephase and two-phase flow tests are performed. The pressure drop during the test is recorded and themeasured data are compared with those of homogeneous beds consisting of mono-size particles. Theresults show that for the horizontally stratified bed with fine particles atop coarse particles, the pressuredrop in top layer is found higher than those of homogenous bed consisting of the same smaller sizeparticles, while the measured pressure drop of bottom part is similar with those of similar homogenousbed. But for the homologous bed with upside-down structure, the stratification has little or no effect onthe pressure drop of the horizontally stratified bed, and the pressure drop of each layer is almost same asthat of homogeneous bed packed with corresponding spheres. Additionally, in vertically stratified bed,the pressure drops on the left and right side is almost equal and between those in homogeneous beds. Itis speculated that vertically stratified structure may lead to lateral flow which redistributes the flow ratein different parts of packed bed.
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참고문헌 (46)
참고문헌 신청
Songbai Cheng / 2018 / Investigation of fl ow regime in debris bed formation behavior with nonspherical particles / Nuclear Engineering and Technology 50(1):43~53
Christian Linde / 2019 / Nordic research and development cooperation to strengthen nuclear reactor safety after the Fukushima accident / Nuclear Engineering and Technology 51(3):647~653
김은호 / 2016 / Experiments on sedimentation of particles in a water pool with gas inflow / Nuclear Engineering and Technology 48(2):457~469
Y. B. Lu / 2015 / Experimental Investigation of Fluid through Porous Media Packed with Single-Diameter and Multi-Diameter Spheres / Transport Porous Media vol 110:449~459
N. Chikhi / 2016 / Pressure drop and average void fraction measurements for two-phase flow through highly permeable porous media / Ann. Nucl. Energy 94:422~432
Christian Linde / 2019 / Nordic research and development cooperation to strengthen nuclear reactor safety after the Fukushima accident / Nuclear Engineering and Technology 51(3):647~653
김은호 / 2016 / Experiments on sedimentation of particles in a water pool with gas inflow / Nuclear Engineering and Technology 48(2):457~469
Y. B. Lu / 2015 / Experimental Investigation of Fluid through Porous Media Packed with Single-Diameter and Multi-Diameter Spheres / Transport Porous Media vol 110:449~459
N. Chikhi / 2016 / Pressure drop and average void fraction measurements for two-phase flow through highly permeable porous media / Ann. Nucl. Energy 94:422~432
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