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Journal of Enhanced Heat Transfer
Главный редактор: Zhixiong Guo (open in a new tab)
Founding Advisory Editor: Arthur E. Bergles (open in a new tab)
Редактор-основатель: Ralph L. Webb (open in a new tab)

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ISSN Печать: 1065-5131

ISSN Онлайн: 1563-5074

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NUMERICAL SIMULATION OF HEAT TRANSFER PERFORMANCE ENHANCEMENT OF COOLING WATER JACKET USED IN THE CARBON INDUSTRY

Том 26, Выпуск 3, 2019, pp. 235-255
DOI: 10.1615/JEnhHeatTransf.2019029345
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Zitian Wu
School of Energy and Power Engineering, Shandong University, Jinan 250061, China
Yuetao Shi
Shandong Engineering Laboratory for High-Efficiency Energy Conservation and Energy Storage Technology and Equipment, School of Energy and Power Engineering, Shandong University, Jinan, Shandong, 250061, China
Kunqing Song
Shandong Linuo-Paradigma Co. Ltd., Jinan 250103, China
Suoying He
Shandong University
Ming Gao
Shandong Engineering Laboratory for High-Efficiency Energy Conservation and Energy Storage Technology and Equipment, School of Energy and Power Engineering, Shandong University, Jinan, Shandong, 250061, China

Краткое описание

In the cooling process of high-temperature calcined petroleum coke (CPC) inside a cooling water jacket, some problems such as uneven heat transfer, difficult heat conduction, and easy oxidation seriously affect the quality of CPC. Based on the computational fluid dynamics, this paper performed heat transfer analysis and numerical simulation for the cooling water jacket on both the water side and coke side, studied the evolutions of the internal temperature field, and obtained the nonuniform temperature field. Meanwhile, in order to enhance the heat transfer performance of the cooling water jacket, one modified measure was put forward by installing heat exchange tubes inside the cooling water jacket. The simulation results manifested that the modified measure of the cooling water jacket can enhance heat transfer performance significantly. Compared with the initial model, the outlet average temperature of CPC reduces by 293.89 K, and the cooling efficiency of the cooling water jacket enhances by 30.84%. Additionally, the temperature uniformity coefficient on the outlet cross section increases by 13.40%, which demonstrates that the modified structure has superior relative heat transfer performance.

Ключевые слова: cooling water jacket, calcined petroleum coke, numerical simulation, heat transfer enhancement, carbon industry
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ЦИТИРОВАНО В

  1. Guo Yun, Zhang Xuning, Zhou Zhongwei, Coupled Heat and Flow Analysis Inside a Diversion-Type Gas Heater With Vertical Guide Plate Structure, Frontiers in Energy Research, 10, 2022. Crossref

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