Thermal exergy optimisation for an irreversible cogeneration power plant

Kaushik, S.C.; Chandra, H.; Khaliq, Abdul

doi:10.1504/ijex.2005.007254

Cited by 9 publications

(4 citation statements)

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“…Synthesis of the reversible logic circuit is more complex than the conventional logic synthesis. It is not possible to synthesis of a reversible logic circuit in conventional logic ways because of the synthesis of reversible logic circuits differs from the combinational one in different methods (Kaushik et al, 2005;Thapliyal and Srinivas, 2005;Mosca, 2009). The classical reversible gates cannot deal with superposition of states (QUBITS), but this problem does not exist in quantum logic gates.…”

Section: Reversible Design Goalsmentioning

confidence: 99%

“…Subsequently, after years of research in about 1960, Landauer pointed out that the erasure of one bit of information in an irreversible hardware computation, regardless of its implementation technique, necessarily dispatches K B Tln2 joules of energy. Irreversible logic operations must incur a fundamental minimum energy cost (Kaushik et al, 2005). The advantages of reversible logic operations have two aspects: firstly, they do not lose (erase) information; secondly, they dissipate very less heat.…”

Section: Introductionmentioning

confidence: 99%

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Optimised reversible divider circuit

Bolhassani

Haghparast

2016

IJICA

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Reversible logic has received a great deal of attention from many researchers over recent years for its enormous potential for application in quantum computing and nanotechnology due to its ability to reduce power consumption, which is the main requirement in low power VLSI design. In this study, first, we have presented new reversible blocks. These circuits can be used for the design of a large and complex combinational circuit. Then, we presented optimised designs for the various reversible components: multiplexers, registers, and shift registers. We will put forward the design and evaluation of optimised reversible division hardware to submit an application of reversible logic design. The comparative results show that the proposed designs individually have less hardware complexity, garbage outputs, constant inputs, quantum cost and significantly better scalability than the existing works. We have presented some lower bounds on the cost-metrics for designing the reversible components of the divider circuit.

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Section: Reversible Design Goalsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Optimised reversible divider circuit

Bolhassani

Haghparast

2016

IJICA

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“…This analysis helps us to evaluate properly the magnitude of thermodynamic losses (exergy lost) during irreversible processes like combustion, heat transfer, throttling, etc. (Horlock, Young, and Manfrda 1999;Koushik, Chandra, and Khaliq 2005;Oh et al 1996). When mass flows across the boundary of a control volume, there is an exergy transfer accompanying mass flow and flow work.…”

Section: Thermodynamic Concept Of Exergy Analysismentioning

confidence: 99%

Thermodynamic analysis and utilisation of wet ethanol in homogeneous charge compression ignition engine

Trivedi

Haleem

2013

International Journal of Sustainable Energy

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In this study, our objective is to computationally analyse the wet ethanol operated homogeneous charge compression ignition (HCCI) engine to evaluate its first and second law efficiency and observe these results by varying effectiveness of regenerator. The paper concludes that the first and second law efficiency decreases due to the increase in the effectiveness of regenerator. This increase in effectiveness leads to an increase in the temperature of air coming out of the regenerator. It further results in increase of the fuel air mixture intake temperature which finally reduces the work output and efficiency of the engine. Furthermore, the method of exergy analysis has been applied and evaluated. This study indicates that due to domination of chemical exergy destruction in combustion reaction in these systems, maximum exergy is destroyed in HCCI engine and to a lesser extent in catalytic converter. These findings will help in the design of such system for optimum result.

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“…Many studies on optimization of Carnot cogeneration cycle by using FTT had been carried out in recent years and some meaningful conclusions had been obtained [7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Maximum Fuel Energy Saving of a Brayton Cogeneration Cycle

Hao

Zhang

2009

2009 International Conference on Energy and Environment Technology

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An endoreversible Joule-Brayton cogeneration cycle has been optimized with fuel energy saving as an assessment criterion. The effects of power-to-heat ratio, cycle temperature ratio, and user temperature ratio on maximum fuel energy saving and efficiency at maximum fuel energy saving have been investigated. Result shows that the maximum fuel energy saving still has maximum with respect to power-to-heat ratio. For given cycle and user temperature ratios, the optimal power-to-heat ratio has been numerically determined.

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Thermal exergy optimisation for an irreversible cogeneration power plant

Cited by 9 publications

References 0 publications

Optimised reversible divider circuit

Optimised reversible divider circuit

Thermodynamic analysis and utilisation of wet ethanol in homogeneous charge compression ignition engine

Maximum Fuel Energy Saving of a Brayton Cogeneration Cycle

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