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TECHNICAL PAPERS: Gas Turbines: Cycle Innovations

Comparative Analysis of Off-Design Performance Characteristics of Single and Two-Shaft Industrial Gas Turbines

[+] Author and Article Information
J. H. Kim

Aeropropulsion Department, Korea Aerospace Research Institute, Daejeon 305-600, Korea  

T. S. Kim

Department of Mechanical Engineering, Inha University, Incheon 402-751, Korea  

J. L. Sohn, S. T. Ro

School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea

J. Eng. Gas Turbines Power 125(4), 954-960 (Nov 18, 2003) (7 pages) doi:10.1115/1.1615252 History: Received December 01, 2001; Revised March 01, 2002; Online November 18, 2003

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Figures

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The schematic diagram of a two-shaft gas turbine
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Calculation procedure for off-design performance analysis at part-load conditions
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Predicted part-load characteristics compared with engine data of Siemens V64.3 (lines: prediction, marks: data from 3)
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Equilibrium running lines of the Titan™ 130 single and two-shaft gas turbines
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Predicted part-load characteristics compared with engine data of the single-shaft version of Titan™ 130 (lines: prediction, marks: data from 12)
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Predicted part-load characteristics compared with engine data of the two shaft version of Titan™ 130 (lines: prediction, marks: data from 13)
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Predicted part-load characteristics of the single shaft version of Titan™ 130 with VIGV modulation
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Predicted part-load characteristics of the two shaft version of Titan™ 130 with VIGV modulation
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Thermal efficiencies of the Titan™ 130 single and two shaft gas turbines in different operating modes
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Compressor efficiencies of the Titan™ 130 single and two shaft gas turbines in different operating modes
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Variations in steam turbine power with gas turbine power in different operating modes
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Variations in combined cycle efficiency with combined cycle power in different operating modes
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The schematic diagram of a single-shaft gas turbine

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