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Noémie Chagnon-Lessard
Laval University
Organic Rankine cycleEngineeringRankine cycleDegree RankineThermodynamics
2Publications
1H-index
25Citations
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Publications 3
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#1Noémie Chagnon-Lessard (Laval University)H-Index: 1
#2François Mathieu-Potvin (Laval University)H-Index: 9
Last. Louis Gosselin (Laval University)H-Index: 25
view all 3 authors...
Abstract Four variants of the Organic Rankine Cycle (ORC) applied to geothermal power plants are optimized by means of numerical tools. These variants are: (i) the subcritical ORC with single-pressure heater (ORC/S/SC), (ii) the transcritical ORC with single-pressure heater (ORC/S/TC), (iii) the subcritical ORC with dual-pressure heater (ORC/D/SC), and (iv) the transcritical ORC with dual-pressure heater (ORC/D/TC). All the systems are recuperative and include a wet cooling tower. The objective ...
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#1Noémie Chagnon-Lessard (Laval University)H-Index: 1
#2Colin Copeland (University of Bath)H-Index: 11
Last. Louis Gosselin (Laval University)H-Index: 25
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Abstract The heat contained in internal combustion engine exhaust gases can be converted into mechanical energy by using an Inverted Brayton Cycle (IBC). In this paper, five different IBC versions are numerically modeled and optimized to maximize their specific work output: (i) basic IBC, (ii) IBC with liquid water drainage (IBC/D), (iii) IBC with liquid water drainage and a steam turbine (IBC/D/S), (iv) IBC with liquid water drainage and a refrigeration cycle (IBC/D/R), and (v) IBC with liquid ...
Source
#1Noémie Chagnon-Lessard (Laval University)H-Index: 1
#2François Mathieu-Potvin (Laval University)H-Index: 9
Last. Louis Gosselin (Laval University)H-Index: 25
view all 3 authors...
Abstract In this paper, the design of an Organic Rankine Cycle (ORC) is optimized by means of numerical simulations. The systems of interest are the subcritical and transcritical thermodynamic cycles. Optimizations are performed with the objective of determining the design that maximizes the specific power output. The design variables include the operating parameters (pressures, mass flow rates), and the best working fluid is determined by comparing the performance of 36 refrigerants. Optimizati...
25 CitationsSource
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