|
|
Role of radiative and convective heat transfer during heating of an ingot product in a tubular furnace: experiment and simulation |
Wen-chao Yang1, Yang Zhou2, Jian Zhang2, Huan Liu1, Ying-jie Ren1, Jia-jun Chen1, Xian-guang Zhang1 |
1 School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing (USTB), Beijing 100083, China; 2 Chengdu Advanced Metal Materials Industrial Technolgy Research Institute Co., Ltd., Chengdu 610300, Sichuan, China |
|
|
Abstract Convective heat transfer and radiative heat transfer are two essential heat transfer modes in the heating process of steel; it is important to understand the role of them during the heating process clearly. The effects of the convective and radiative heat transfer during the heating process of a cast ingot in a tubular furnace have been studied by the designed natural and forced convection experiments and mathematical simulations. The heating time for the center of the ingot to reach the furnace temperature is decreased with the increase in furnace temperature. According to the experimental and simulation results, a model is proposed regarding the role of radiative and convective heat transfer in the heating process. At low temperature, the convective heat transfer plays a dominant role, while at high temperature, the influence of radiative heat transfer is larger. And a critical temperature exists between them. The forced convective heat transfer can enhance the influence of the convective heat transfer. The critical temperature can be shifted to higher temperatures.
|
|
|
|
|
Cite this article: |
Wen-chao Yang,Yang Zhou,Jian Zhang, et al. Role of radiative and convective heat transfer during heating of an ingot product in a tubular furnace: experiment and simulation[J]. Journal of Iron and Steel Research International, 2022, 29(12): 1978-1985.
|
|
|
|
[1] |
Tao Liu, Mu-jun Long, Wen-jie He, Deng-fu Chen, Zhi-hua Dong, Xian-guang Zhang, Hua-mei Duan. Prediction model for austenite grains growth during reheating process in Ti micro-alloyed cast steel by coupling precipitates dissolution and coarsening behavior[J]. JOURNAL OF IRON AND STEEL RESEARCH,INTERNATIONAL, 2019, 26(2): 162-172. |
[2] |
Fei Yuan, Hong-bing Wang Pei-ling Zhou An-jun Xu,. Combustion performance of nozzles with multiple gas orifices in large ladles for temperature uniformity[J]. , 2018, 25(4): 387-397. |
[3] |
Gong-tao LIU,Zhi-qiao LIU,Ping YANG,Wei-min MAO. Correlation between Primary and Secondary Recrystallization Texture Components in Low-temperature Reheated Grain-oriented Silicon Steel[J]. Chinese Journal of Iron and Steel, 2016, 23(11): 1234-1242. |
[4] |
Guang-sheng WEI,,Rong ZHU,,Ting CHENG,Fei ZHAO. Numerical Simulation of Jet Behavior and Impingement Characteristics of Preheating Shrouded Supersonic Jets[J]. Chinese Journal of Iron and Steel, 2016, 23(10): 997-1006. |
[5] |
ZHANG Fu-ming,MAO Qing-wu,MEI Cong-hua,LI Xin,HU Zu-rui. Dome Combustion Hot Blast Stove for Huge Blast Furnace[J]. Chinese Journal of Iron and Steel, 2012, 19(9): 1-7. |
[6] |
CUI Miao,YANG Kai,LIU Yun-fei,GAO Xiao-wei. Inverse Estimation of Transient Heat Flux to Slab Surface[J]. Chinese Journal of Iron and Steel, 2012, 19(11): 13-18. |
|
|
|
|