Heat Treatment of Metals ›› 2023, Vol. 48 ›› Issue (10): 279-284.DOI: 10.13251/j.issn.0254-6051.2023.10.043

• NUMERICAL SIMULATION • Previous Articles     Next Articles

Comparison of solving methods of interfacial heat transfer coefficient for shell ring quenching

Jiang Zhuling1,2, Zhang Wanliang1,2, Xia Bin1,2   

  1. 1. China Ship Science Research Center, Wuxi Jiangsu 214082, China;
    2. Taihu Lake Laboratory of Deep Sea Technology and Science, Wuxi Jiangsu 214123, China
  • Received:2023-04-25 Revised:2023-08-03 Online:2023-10-25 Published:2023-12-07

Abstract: Shell ring of pressure vessel was taken as a research subject. Based on the heat conduction equation for a hollow cylinder, direct method of temperature difference and temperature iteration method were proposed and a mathematical model for heat transfer coefficient was established. Through the tested temperature cooling curves, change curves of interfacial hear transfer coefficient with quenching time were calculated by using temperature iteration method and direct method of temperature difference. By simulating the temperature field and comparing the tested and simulated results, the reliability of direct method of temperature difference was verified, and the difference of accuracy between two methods was analyzed. The results show that the error percentage of two methods between the tested and simulated values are within 18%, and the direct method of temperature difference is more accurate than the temperature iteration method.

Key words: heat transfer coefficient, shell ring, quenching, direct method of temperature difference, temperature iteration method, inverse heat transfer problem

CLC Number: