Analysis of residual operational resource of high-temperature elements in power and industrial equipment

Authors

DOI:

https://doi.org/10.15587/1729-4061.2017.92459

Keywords:

boiler plant, stressed-strained state, low cycle fatigue, damageability, residual resource

Abstract

The issues of taking account of damage caused by exposure to high levels of local temperatures of gases, local non-uniformity of temperature and reliable assessment of residual resource of high-temperature elements are relevant and will provide for a reliable and long-term operation of energy generating equipment.

A mathematical model is developed for the combustion process in burner devices with stabilizers based on the software complex ANSYS Fluent. We created a technique for determining the impact of levels of temperatures and their gradients on the assessment of residual resource of high-temperature elements of power and industrial equipment. Based on data on the work of industrial power equipment and results of physical experiments, we selected correct initial and boundary conditions that enabled adequate simulation of the influence of non-uniformity in the combustion products temperature field. Based on the software complex Solid Works, we performed calculation studies that take into account the gas-dynamics of gas flow that flows around the pipeline. The thermal and stress-strained states are defined and an estimation is conducted of operational lifecycle of pipeline in a boiler plant depending on the operating conditions of equipment.

It was established that the residual operation time of a pipeline in a boiler plant is 77.4 thousand hours at static damageability from long-term loads of 57 %.

Results of the research conducted might be used by implementing the recommendations proposed in large- and small-scale energy sector, industry and gas transportation system in Ukraine, as well as in other fields of science and technology.

Author Biographies

Olga Chernousenko, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute» Peremohy ave., 37, Kyiv, Ukraine, 03056

Doctor of Technical Sciences, Professor, Head of Department

Department of Cogeneration Installations of Thermal and Nuclear Power Plants

Leonid Butovsky, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute» Peremohy ave., 37, Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Cogeneration Installations of Thermal and Nuclear Power Plants

Dmitro Rindyuk, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute» Peremohy ave., 37, Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Cogeneration Installations of Thermal and Nuclear Power Plants

Olena Granovska, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute» Peremohy ave., 37, Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Cogeneration Installations of Thermal and Nuclear Power Plants

Oleg Moroz, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute» Peremohy ave., 37, Kyiv, Ukraine, 03056

Department of Cogeneration Installations of Thermal and Nuclear Power Plants

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Published

2017-02-23

How to Cite

Chernousenko, O., Butovsky, L., Rindyuk, D., Granovska, O., & Moroz, O. (2017). Analysis of residual operational resource of high-temperature elements in power and industrial equipment. Eastern-European Journal of Enterprise Technologies, 1(8 (85), 20–26. https://doi.org/10.15587/1729-4061.2017.92459

Issue

Vol. 1 No. 8 (85) (2017): Energy-saving technologies and equipment

Section

Energy-saving technologies and equipment

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Copyright (c) 2017 Olga Chernousenko, Leonid Butovsky, Dmitro Rindyuk, Olena Granovska, Oleg Moroz

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