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Citation:
　Gojko Magazinovi.Circulation-Enhanced Tank Heating Using Shallow Profile Coil Bundles[J].Journal of Marine Science and Application,2020,(2):234-245.[doi:10.1007/s11804-020-00149-z]
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Circulation-Enhanced Tank Heating Using Shallow Profile Coil Bundles

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Title:
Circulation-Enhanced Tank Heating Using Shallow Profile Coil Bundles
Author(s):
Gojko Magazinovi?1; 2
Affilations:
Author(s):
Gojko Magazinovi?1; 2
1 CADEA d. o. o., 21000 Split, Croatia;
2 Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split, 21000 Split, Croatia
Keywords:
Heating coil; Tank heating; Bundle; Convection; Large-scale circulation
分类号:
-
DOI:
10.1007/s11804-020-00149-z
Abstract:
Heavy fuel oils require heated tanks to facilitate their transportation and processing. This paper proposes and investigates threeand four-level heating coil bundles. Numerical study revealed that powerful large-scale circulation of the heated fluid enhances heat transfer, delivering 16.7% and 23% improvements to the average heat transfer coefficient for the three- and four-level bundles, respectively. Furthermore, this circulation improves oil mixing and limits the variation in bulk oil temperature to - 0.3 to + 1.3 ℃ from the average. The study also quantified oil flow velocity near the bottom of the tank. The time-averaged horizontal components of velocity, estimated 25 mm and 50 mm above the bottom of the tank, exceed 2 mm/s and 4 mm/s, respectively. The proposed heating coil bundles feature a compact design that reduces the material and labor costs of construction and that, by occupying only a small portion of the bottom of the tank, improves accessibility, maintenance, and cleaning.

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Memo

Memo:
Received date:2019-09-09;Accepted date:2020-04-19。
Corresponding author:Gojko Magazinovi?,gmag@cadea.hr
Last Update: 2020-11-07