Journal ArticleDOI
A review of working fluid and expander selections for organic Rankine cycle
Junjiang Bao,Li Zhao +1 more
TLDR
In this article, a comparison of pure and mixture working fluids' applications and a discussion of all types of expansion machines' operating characteristics for an effective organic Rankine cycle system is presented.Abstract:
How to effectively utilize low and medium temperature energy is one of the solutions to alleviate the energy shortage and environmental pollution problems. In the past twenty years, because of its feasibility and reliability, organic Rankine cycle has received widespread attentions and researches. In this paper, it reviews the selections of working fluids and expanders for organic Rankine cycle, including an analysis of the influence of working fluids' category and their thermodynamic and physical properties on the organic Rankine cycle's performance, a summary of pure and mixed working fluids' screening researches for organic Rankine cycle, a comparison of pure and mixture working fluids' applications and a discussion of all types of expansion machines' operating characteristics, which would be beneficial to select the optimal working fluid and suitable expansion machine for an effective organic Rankine cycle system.read more
Citations
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Journal ArticleDOI
A review of data center cooling technology, operating conditions and the corresponding low-grade waste heat recovery opportunities
TL;DR: In this article, the most promising methods and technologies for recovering data center low-grade waste heat in an effective and economically reasonable way are identified and discussed, based on a comparison between data centers' operational thermodynamic conditions and the operational requirements of the discussed waste heat recovery techniques, absorption cooling and organic Rankine cycle are found to be among the more promising technologies for data center waste heat reuse.
Journal ArticleDOI
A technical, economical and market review of organic Rankine cycles for the conversion of low-grade heat for power generation
TL;DR: An overview of the technical and economic aspects, as well as the market evolution of the organic Rankine Cycle (ORC) is presented in this article. But it is not a suitable working fluid for these systems since there is as yet none that provides all aspects that must be taken into account in ORCs.
Journal ArticleDOI
Design and experimental study of ORC (organic Rankine cycle) and radial turbine using R245fa working fluid
TL;DR: In this paper, an ORC (Organic Rankine Cycle) capable of generating electric power using a low-temperature heat source was developed and an experimental study was conducted.
Journal ArticleDOI
Zeotropic mixtures as working fluids in Organic Rankine Cycles for low-enthalpy geothermal resources
TL;DR: In this article, the authors present detailed simulations of organic Rankine cycle processes for energy conversion of low-enthalpy geothermal resources, where the working fluids considered in this analysis are zeotropic mixtures, and the efficiency of subcritical cycles is calculated for isobutane/isopentane and R227ea/R245fa depending on mixture composition, heat source temperature and temperature difference of cooling water.
Journal ArticleDOI
A recent review of waste heat recovery by Organic Rankine Cycle
TL;DR: In this paper, a review of studies both theoretical and experimental on ORC usage for waste heat recovery and investigation on the effect of cycle configuration, working fluid selection and operating condition on the system performance have been developed during the last four years.
References
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Journal ArticleDOI
A review of thermodynamic cycles and working fluids for the conversion of low-grade heat
TL;DR: In this paper, a review of the organic Rankine cycle and supercritical Rankine Cycle for the conversion of low-grade heat into electrical power, as well as selection criteria of potential working fluids, screening of 35 working fluids for the two cycles and analyses of the influence of fluid properties on cycle performance are presented.
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.
Journal ArticleDOI
A Review of Organic Rankine Cycles (ORCs) for the Recovery of Low-grade Waste Heat
T.C. Hung,T.Y. Shai,S.K. Wang +2 more
TL;DR: In this article, the efficiencies of ORCs using cryogens such as benzene, ammonia, R11, R12, R134a and R113 as working fluids have been analyzed parametrically and compared.
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.