On Technical Performance Estimation of a Gas Turbine with Variable Power Turbine Vanes

Komarov, O. V.; Блинов, В. Л.; Sedunin, Viacheslav A.

doi:10.1016/j.proeng.2016.07.332

Cited by 5 publications

(4 citation statements)

References 3 publications

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“…A comparison of the results for the two approaches was carried out. Four types of gas turbines of different capacities (10,16,25, and 30 MW) were tested and information about the GTUs is presented in the table [11].…”

Section: Resultsmentioning

confidence: 99%

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Estimation of the driven gas turbine unit technical performance using the standard measuring systems

2020

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In large pipeline gas transport systems the operation and maintenance of gas pumping units are carried according to the current number of equivalent working hours of centrifugal gas compressors and gas turbines. Modern terms of lean production require the maintenance procedure to be done according to the current technical performance of equipment. The paper presents a designed and verified methodology of technical performance estimation of gas turbine units using the standard measuring systems. This method includes a verified high-order mathematical model based on the gas dynamic function for the precise analytical description of turbomachinery aerodynamics. The models are defined for different types of multi-shaft gas turbines. In this article the results of technical performance estimation of different gas turbine units are discussed.

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Section: Resultsmentioning

confidence: 99%

“…Gas path analysis methods for gas turbine performance estimation are also used [8,9]. Special attention is paid to the gas turbines with the flow part variable geometry of the power turbine (PT) [10].…”

Section: Introductionmentioning

confidence: 99%

Estimation of the driven gas turbine unit technical performance using the standard measuring systems

2020

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“…In this study, to assess the technical condition, only the thermogasdynamic parameters noted in figure 2 were used. The processing of the measured parameters and the calculation of the GTU power can be carried out by any known approaches [10][11][12][13][14], in this case, [11] was used. Before analysis, the operational parameters of the gas turbine unit must undergo filtration to exclude transient operating modes of the unit and unreliable measurements.…”

Section: Methodsmentioning

confidence: 99%

Technical Condition Estimation of the Gas Turbine Axial Compressor

Блинов

Deryabin

2022

IOP Conf. Ser.: Earth Environ. Sci.

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The paper describes an approach for determining the technical state of an axial compressor as part of a gas turbine unit, based on thermogasdynamic parameters that are measured at the operating facility. As a criterion for the technical condition, it is proposed to use the ratio of the actual efficiency of an axial compressor to the reference efficiency in such modes. To do this, it is enough to know the temperatures and pressures of the air at the inlet and outlet of the axial compressor. A method for selecting such modes is described and some features of filtering the operating parameters of a gas turbine plant are noted. In the proposed approach, the choice of modes for analyzing the technical state of an axial compressor is carried out according to the value of the effective power of the gas turbine unit. Some results of determining the criterion of the technical condition of an axial compressor for a gas turbine unit, which drives a centrifugal compressor of natural gas, are presented. Based on the analysis of the degradation of the technical condition criterion, it is possible to determine its predicted value. The results of the work can be used to create automated systems for assessing and predicting the technical condition of drive gas turbine units at their facilities. The application of the obtained results of the work expands the possibilities of servicing gas turbine plants according to the actual state. The proposed approach can be adapted and applied for gas turbine plants for various purposes, as well as for their individual units.

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“…5. Роторы газовых турбин на сверхкритическом диоксиде углерода: а) -n 1 = 3000 об/мин; б) -n 1 = 6000 об/мин Представленная методология расчета основных геометрических параметров проточ ной части является интеграцией методов расчета паровых и газотурбинных установок[6,7] и носит оценочный характер. Проведение более точных расчетов требует тщатель ной проработки подходов к проектированию турбин с использованием как отечествен ного, так и зарубежного опытов.…”

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Preliminary Assessment of the Characteristics of Brayton Cycle Equipment at Supercritical CO2 Parameters

Leskin

Slobodchuk

Shelegov

et al. 2023

YadEn

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On Technical Performance Estimation of a Gas Turbine with Variable Power Turbine Vanes

Cited by 5 publications

References 3 publications

Estimation of the driven gas turbine unit technical performance using the standard measuring systems

Estimation of the driven gas turbine unit technical performance using the standard measuring systems

Technical Condition Estimation of the Gas Turbine Axial Compressor

Preliminary Assessment of the Characteristics of Brayton Cycle Equipment at Supercritical CO2 Parameters

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