Journal Article10.1016/J.APENERGY.2014.08.076
Three-dimensional off-design numerical analysis of an organic Rankine cycle radial-inflow turbine
Emilie Sauret,YuanTong Gu +1 more
113
TL;DR: In this article, the authors present preliminary 3D numerical simulations of a high-density radial-inflow ORC turbine in sensible geothermal conditions, using the refrigerant R143a as the high density working fluid.
read more
About: This article is published in Applied Energy. The article was published on 15 Dec 2014. The article focuses on the topics: Rankine cycle & Turbine.
read more
Chat with Paper
AI Agents for this Paper
Find similar papers on Google Scholar, PubMed and Arxiv
Write a critical review of this paper
Analyze citations of this paper to find unaddressed research gaps
Citations
Geothermal energy development by circulating CO2 in a U-shaped closed loop geothermal system
TL;DR: In this paper, a model is developed for simulating CO2 flow in the descending, horizontal and ascending sections of the geothermal well, and two new concepts of critical position and effective distance are proposed.
175
A comparison of electric power output of CO2 Plume Geothermal (CPG) and brine geothermal systems for varying reservoir conditions
Benjamin M. Adams,Thomas H. Kuehn,Jeffrey M. Bielicki,Jimmy B. Randolph,Martin O. Saar,Martin O. Saar +5 more
TL;DR: In contrast to conventional hydrothermal systems or enhanced geothermal systems, CO 2 Plume Geothermal (CPG) systems generate electricity by using CO 2 that has been geothermally heated due to sequestration in a sedimentary basin this article.
165
The influence of complicated fluid-rock interactions on the geothermal exploitation in the CO2 plume geothermal system
TL;DR: In this paper, a comprehensive numerical simulation model was established, which can consider formation water evaporation, salt precipitation, CO2-water-rock geochemical reactions, and the changes in reservoir porosity and permeability in the CO2 plume geothermal (CPG) system.
153
Preliminary design and off-design performance analysis of an Organic Rankine Cycle radial-inflow turbine based on mathematic method and CFD method
TL;DR: In this paper, the authors carried out the full design process of the R134a radial-inflow ORC turbine and performed a turbine model based on 1D analysis for several operating conditions including off-design conditions.
75
The design and analysis of supercritical carbon dioxide centrifugal turbine
TL;DR: In this article, a 10MW single-stage SCO 2 working fluid was designed and the unsteady three-dimensional flow field inside the blade passages was assessed by software CFX to obtain the desired parameters of the turbine with maximum total static efficiency.
73
References
A New Two-Constant Equation of State
Ding-Yu Peng,Donald B. Robinson +1 more
TL;DR: In this paper, the attractive pressure term of the semi-empirical van der Waals equation has been modified for predicting the vapor pressure and volumetric behavior of singie-component systems.
12.3K
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.
1.3K
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.
1K
Optimum design criteria for an Organic Rankine cycle using low-temperature geothermal heat sources
TL;DR: In this paper, a cost-effective optimum design criterion for organic Rankine power cycles utilizing low-temperature geothermal heat sources is presented, where the ratio of the total heat exchanger area to net power output is used as the objective function and was optimized using the steepest descent method.
765
A study of organic working fluids on system efficiency of an ORC using low-grade energy sources
TL;DR: In this article, the inlet condition of the working fluid entering turbine is assumed to be in saturated vapor phase and the main purpose is to identify suitable working fluids which may yield high system efficiencies in an organic Rankine cycle (ORC) system.
437