Journal ArticleDOI
Efficiency optimization potential in supercritical Organic Rankine Cycles
TLDR
In this paper, the results from a simulation of the ORC and the optimization potential of the process when using supercritical parameters are presented. And the reduction of exergy losses is discussed based on the need of surplus heat exchanger surface.About:
This article is published in Energy.The article was published on 2010-02-01. It has received 362 citations till now. The article focuses on the topics: Organic Rankine cycle & Thermal efficiency.read more
Citations
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Journal ArticleDOI
Techno-economic survey of Organic Rankine Cycle (ORC) systems
TL;DR: An overview of the different ORC applications is presented in this paper, and an in-depth analysis of the technical challenges related to the technology, such as working fluid selection and expansion machine issues, is reported.
Journal ArticleDOI
Lowgrade heat conversion into power using organic Rankine cycles - A review of various applications
TL;DR: An organic Rankine cycle (ORC) machine is similar to a conventional steam cycle energy conversion system, but uses an organic fluid such as refrigerants and hydrocarbons instead of water as discussed by the authors.
Journal ArticleDOI
Working fluids for high-temperature organic Rankine cycles
TL;DR: In this article, a thermodynamic screening of 31 pure component working fluids for organic Rankine cycles (ORC) is given using BACKONE equation of state, the fluids are alkanes, fluorinated alkane, ethers and fluorinated ethers.
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Performance comparison and parametric optimization of subcritical Organic Rankine Cycle (ORC) and transcritical power cycle system for low-temperature geothermal power generation
TL;DR: In this article, an optimization procedure was conducted with a simulation program written in Matlab using five indicators: thermal efficiency, exergy efficiency, recovery efficiency, heat exchanger area per unit power output (APR), and the levelized energy cost (LEC).
Journal ArticleDOI
Review of organic Rankine cycle (ORC) architectures for waste heat recovery
TL;DR: An overview of ORC architectures can be found in this paper, where the performance evaluation criteria and boundary conditions are clearly stated, as well as an overview of the available experimental data is given.
References
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Book
Thermal design and optimization
TL;DR: In this article, the authors present an overview of thermal system design using thermodynamics, modeling, and design analysis, including exergy analysis, energy analysis, and economic analysis.
Book
The Exergy Method of Thermal Plant Analysis
TL;DR: The Exergy Method as mentioned in this paper is a method of thermodynamic analysis in which the basis of evaluation of the thermodynamic losses follows from the Second Law rather than the First Law of Thermodynamics and has gained in the last few years many new followers, both among practising engineers and academics.
Journal ArticleDOI
Working fluids for high-temperature organic Rankine cycles
TL;DR: In this article, a thermodynamic screening of 31 pure component working fluids for organic Rankine cycles (ORC) is given using BACKONE equation of state, the fluids are alkanes, fluorinated alkane, ethers and fluorinated ethers.
Journal ArticleDOI
Effect of working fluids on organic Rankine cycle for waste heat recovery
TL;DR: In this article, an analysis of the performance of organic Rankine cycle (ORC) subjected to the influence of working fluids is presented, which reveals that the thermal efficiency for various working fluid is a weak function of the critical temperature.