改进大功率涡轮机转子的焊接技术

IF 0.5 Q4 PHYSICS, NUCLEAR

Problems of Atomic Science and Technology Pub Date : 2024-04-11 DOI:10.46813/2024-150-121

V. Dmitrik, A. Glushko, I.V. Kasianenko, T.O. Syrenko, T.A. Baranova, I.V. Asieieva

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引用次数: 0

摘要

为了解决提高核电厂和热电厂大功率涡轮机转子焊接接头可靠性和延长其使用寿命的问题，对其制造技术进行了改进。改进后的技术使转子焊接接头具有更好的原始结构特征以及更高的机械和物理性能。这些特性是通过与按照标准技术制造的转子焊接接头的类似特性进行比较而确定的。技术的改进包括对制造接头的焊接加热进行建模，这使得对 25Х2НМФА 钢制转子的自动焊接模式参数进行优化成为可能。在纳维-斯托克斯定律和傅里叶定律的条件下，热问题首次作为共轭问题得到了解决，这为提高转子的可靠性以及增加其资源提供了必要的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IMPROVEMENT OF WELDING TECHNOLOGY OF HIGH POWER TURBINE ROTOR

In order to solve the problem of increasing the reliability and increasing the service life of welded joints of rotors of high-power turbines of nuclear and thermal power plants, the technology of their manufacture was improved. The improved technology provided obtaining welded joints of rotors with improved characteristics of their original structure and higher mechanical and physical properties. The given properties were determined by comparing with similar properties that are characteristic of the welded connection of the rotor made according to standard technology. The improvement of the technology involved the modeling of welding heating of manufactured joints, which made it possible to optimize the parameters of the mode of automatic welding of the rotor made of 25Х2НМФА steel. For the first time, the thermal problem was solved as a conjugate one under the conditions of the Navier-Stokes and Fourier laws, which provided the results necessary for increasing the reliability of the rotors, as well as increasing their resource.

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来源期刊

Problems of Atomic Science and Technology 物理-核科学技术

CiteScore

0.70

自引率

50.00%

发文量

审稿时长

2-4 weeks

期刊介绍： The journal covers the following topics: Physics of Radiation Effects and Radiation Materials Science; Nuclear Physics Investigations; Plasma Physics; Vacuum, Pure Materials and Superconductors; Plasma Electronics and New Methods of Acceleration.