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논문 기본 정보

자료유형
학술저널
저자정보
Lijie Qiao (Shaanxi University of Science & Technology) Jixian Dong (Shaanxi University of Science & Technology) Zhuozhi Yang (Civil Aviation Flight University of China) Sha Wang (Shaanxi University of Science & Technology) Huan Liu (Shaanxi University of Science & Technology) Bo Wang (Shaanxi University of Science & Technology) Lingbo Kong (Shaanxi University of Science & Technology)
저널정보
한국펄프·종이공학회 펄프·종이기술 펄프·종이기술 제52권 제3호(통권 제194호)
발행연도
2020.6
수록면
77 - 89 (13page)
DOI
10.7584/JKTAPPI.2020.06.52.3.77

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초록· 키워드

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The multi-channel cylinder dryer (MCD) for drying paper may be a promising solution to the energy consumption in paper drying. However, energy consumption is related to the heat transfer characteristics of the steam condensation process. The investigation of heat transfer coefficient (HTC) in horizontal rectangular channel of MCD was experimentally performed in this paper. And the changes of overall HTC, condensation HTC and HTC of cooling water side were explored under different condensing conditions. The results showed that the overall HTC increased with the increasing of the Nusselt number of cooling water, Reynolds number of cooling water and mass flow rate of cooling water. And the condensation HTC will increase with the increasing mass flow rate of cooling water and Reynolds number of cooling water, however, there is a fluctuation of the condensation HTC changing with Reynolds number of cooling water increasing. A better heat transfer performance can be achieved by the increase of steam mass flux, while excessive pressure drop can be avoided by setting a reasonable steam mass flux, 24 ㎏·m<SUP>-2</SUP>·s<SUP>-1</SUP>.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
Literature Cited

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UCI(KEPA) : I410-ECN-0101-2020-586-000841220