Performance Optimization

Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 1: Thermodynamic model and parameter analyses

... and optimization [29, 30] is a relatively new method that combines exergy with conventional concepts from long-run engineering economic optimization to evaluate and optimize the design and performance ... T, Yilmaz T. Optimization of irreversible cogeneration systems under alternative performance criteria. Int. J. Thermophys., 2009, 30(5): 1724-1732. [23] Ust Y, Sahin B, Kodal A. Performance optimisation ... 34-48. [27] Ust Y, Sahin B, Yilmaz T. Optimization of a regenerative gas-turbine cogeneration system based on a new exergetic performance criterion: exergetic performance coefficient. Proc. IMechE,...

Performance optimization of a PEM hydrogen-oxygen fuel cell

... 2076-2909 (Online) ©2013 International Energy & Environment Foundation. All rights reserved. Performance optimization of a PEM hydrogen-oxygen fuel cell Maher A.R. Sadiq Al-Baghdadi Fuel Cell Research ... simulate the performance of proton exchange membrane (PEM) fuel cells without extensive calculations. A fuel cell mathematical module has been designed and constructed to determine the performance ... the experimental data. The model is shown a very useful for estimating the performance of PEM fuel cell stacks and optimization of fuel cell system integration and operation. Copyright © 2013...

Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: Heat conductance allocation and pressure ratio optimization

... reserved. Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: Heat conductance allocation and pressure ratio optimization Bo Yang, ... which the power, efficiency and power density were taken as the optimization objectives, respectively. The exergoeconomic performance optimization is performed by searching the optimal intercooling ... 34-48. [6] Ust Y, Sahin B, Yilmaz T. Optimization of a regenerative gas-turbine cogeneration system based on a new exergetic performance criterion: exergetic performance coefficient. Proc. IMechE,...

Exergoeconomic performance optimization of an endoreversible intercooled regenerative Brayton combined heat and power plant coupled to variable-temperature heat reservoirs

... and optimization [29, 30] is a relatively new method that combines exergy with conventional concepts from long-run engineering economic optimization to evaluate and optimize the design and performance ... T, Yilmaz T. Optimization of irreversible cogeneration systems under alternative performance criteria. Int. J. Thermophys., 2009, 30(5): 1724-1732. [23] Ust Y, Sahin B, Kodal A. Performance optimisation ... cogeneration systems based on a new exergetic performance criterion: exergy density. J. Energy Instit., 2009, 82(1): 48-52. [24] Yilmaz T. Performance optimization of a gas turbine-based cogeneration...

Finite time exergoeconomic performance optimization for an irreversible universal steady flow variable-temperature heat reservoir heat pump cycle model

... capacity rate matching, Exergoeconomic performance. 1. Introduction Finite time thermodynamics (FTT) [1-15] has been a powerful tool for the performance analyses and optimizations of various thermodynamic ... Finite time optimizations of a Newton's law Carnot cycle. J. Chem. Phys., 1981, 74(6): 3546-3560. [19] Chen L, Sun F and Chen W. Finite time exergoeconomic performance bound and optimization ... F, Wu C. Profit performance optimization for an irreversible Carnot refrigeration cycle. Int. J. Ambient Energy, 2008, 29(4): 197-206. [27] Chen L, Zheng Z, Sun F. Maximum profit performance for...

Finite time exergoeconomic performance optimization of a thermoacoustic heat engine

... exergoeconomic analysis with long-run economic optimization. Similarly, the performance bound at maximum profit was termed as finite time exergoeconomic performance bound to distinguish it from the ... thermodynamic performance bound at maximum thermodynamic output. Some authors have assessed the influence of the heat transfer law on the finite time exergoeconomic performance optimization of ... [6] studied the optimization of a thermoacoustic engine with a complex heat transfer exponent. In this paper, a further investigation for finite time exergoeconomic performance optimization of...

Exergoeconomic performance optimization for a steadyflow endoreversible refrigeration model including six typical cycles

... the performance analysis and optimization of various cycles. For refrigeration cycles, the performance analysis and optimization have been carried out by taking cooling load, coefficient of performance ... finite-time exergoeconomic performance bound. Moreover, performance analysis and optimization of the model are carried out in order to investigate the effect of cycle process on the performance of the ... Endoreversible refrigeration cycle; Exergoeconomic performance 1. Introduction Recently, the analysis and optimization of thermodynamic cycles for different optimization objectives has made tremendous...

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Performance Optimization

... Storage Performance The third element in the chain of Linux performance is the storage channel. Performance optimization on this channel can be divided in two categories: file system performance ... the performance of the I/O scheduler, there is a dilemma: you can optimize read performance or write performance, but not both at the same time. Opti-mizing read performance means that write performance ... buffer performance. File system optimization is dealt with in Chapter 5, so this section focuses on I/O optimization that is not directly related to the file system.Understanding Storage Performance To...

Microsoft® SQL ServerTM 2005 Performance Optimization and Tuning Handbook pptx

... option to solving a performance issue. Tracing can hurt performance simply because it generates lots of data.The point of producing trace ﬁles is to aid in ﬁnding errors or performance bottlenecks, ... can affect overall database performance, Figure 1.5Setting analyticaltime periods in theDatabase EngineTuning AdvisorMicrosoft® SQL ServerTM2005 Performance Optimization and Tuning Handbook1.8 ... Database Scripts 447C Performance Strategies and Tuning Checklist 477Index 487xvIntroductionWhat is the goal of tuning an SQL Server database? The goal is to improve performance until acceptable...

apress pro android apps performance optimization (2012)

... to create applications, performance optimization is sometimes more of an art than a science and is not documented as thoroughly. I wrote Pro Android Apps Performance Optimization to help you ... class="bi x0 y0 w0 h0" alt="" i Pro Android Apps Performance Optimization ■ ■ ■ Hervé Guihot Pro Android Apps Performance Optimization Copyright © 2012 by Hervé Guihot All ... tremendous results can be achieved thanks to carefully targeted optimizations. Chapter 4 shows you how using less memory can improve performance. In addition to learning simple ways to use less...

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