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TECHNICAL PAPERS: Internal Combustion Engines: Fuels and combustion technology

Triple Cycle: A Conceptual Arrangement of Multiple Cycle Toward Optimal Energy Conversion

[+] Author and Article Information
T. C. Hung

Department of Mechanical Engineering, I-Shou University, 1, Section 1, Hsueh-Cheng Road, Ta-Hsu Hsiang, Kaohsiung County, 840 Taiwan, R.O.C.e-mail: tchung@isu.edu.tw

J. Eng. Gas Turbines Power 124(2), 429-436 (Mar 26, 2002) (8 pages) doi:10.1115/1.1423639 History: Received October 01, 2000; Revised April 01, 2001; Online March 26, 2002
Copyright © 2002 by ASME
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References

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Figures

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The conceptual arrangement for the energy conversion system with multiple cycles
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Components and T-S process diagram for an ideal series-type triple cycle
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Components and T-S diagram for an ideal parallel-type triple cycle
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Effect of compression ratio on the efficiency in the combined cycle
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Variation of efficiency with the condensation temperature of the steam cycle in the combined cycle
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Variation of efficiency with the steam turbine inlet pressure in the combined cycle
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Effect of compression ratio on the efficiency in series-type triple cycle
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Variation of efficiency with the condensation temperature of steam cycle in series-type triple cycle
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Variation of ORC efficiency corresponding to the turbine inlet pressure of ORC with ΔTpp2 as parameter when T4b is fixed in parallel-type triple cycle (R-123)
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Variation of ORC efficiency corresponding to the turbine inlet pressure of the ORC with both T4b and ΔTpp2 as parameters in parallel-type triple cycle (C6H6)
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Variation of ORC efficiency corresponding to T4b associated with different fluids in parallel-type triple cycle
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(a) Variation of steam-cycle efficiency corresponding to the evaporation pressure of steam cycle with ΔTpp1 as the parameter in the parallel-type triple cycle; (b) effect of the evaporation pressure of steam cycle on the enthalpy drop of steam turbine and the associated flow rate for ΔTpp1=35 K
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Variation of overall efficiency of the triple cycle as a function of compression ratio and T4b in a parallel-type triple cycle (C6H6)
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Variation of overall efficiency of triple cycle as a function of gas turbine inlet temperature and T4b in a parallel-type triple cycle (C6H6)
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Variation of efficiency with compression-ratio dependent T4b in parallel-type triple cycle (Rp=10∼20)
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Variation of efficiency with T4b, which is dependent on gas turbine inlet temperature (1000K ∼ 1600K), in parallel-type triple cycle

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