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Organic Rankine Cycle system performance targeting and design for multiple heat sources with simultaneous working fluid selection

Authorized Users Only
2017
Authors
Stijepović, Mirko Z.
Papadopoulos, Athanasios I.
Linke, Patrick
Stijepovic, Vladimir
Grujić, Aleksandar
Kijevčanin, Mirjana
Seferlis, Panos
Article (Published version)
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Abstract
This work presents a systematic approach toward the design of Organic Rankine Cycles (ORC) for the generation of power from multiple heat sources available at different temperature levels. The design problem is approached in a mixed-integer non-linear programming (MINLP) formulation where an inclusive and flexible ORC model is automatically evolved by a deterministic algorithm for global optimization. The basic building block of the model is the ORC cascade which consists of a heat extraction, a power generation, a condensation and a liquid pressurization section. The aim of the optimization is to determine the optimum number of ORC cascades, the structure of the heat exchanger network shared among different cascades, the operating conditions and the working fluid used in each cascade in order to identify an overall ORC structure that maximizes the power output. The approach is illustrated through a case study which indicates that a system of two waste heat sources is best exploited th...rough two interconnected ORC utilizing different working fluids.

Keywords:
Organic Rankine Cycle / Optimization / Working fluids / Multiple heat sources / Pinch analysis
Source:
Journal of Cleaner Production, 2017, 142, 1950-1970
Publisher:
  • Elsevier Sci Ltd, Oxford
Projects:
  • Synthesis, processing and applications of nanostructured multifunctional materials with defined properties (RS-45019)
  • Predefined functional properties polymer composite materials processes and equipment development (RS-34011)
  • New industrial and environmental application of chemical thermodynamics to the development of the chemical processes with multiphase and multicomponent systems (RS-172063)
Note:
  • The peer-reviewed version: http://cer.ihtm.bg.ac.rs/handle/123456789/3032

DOI: 10.1016/j.jclepro.2016.11.088

ISSN: 0959-6526

WoS: 000398135300053

Scopus: 2-s2.0-85006782893
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2229
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IHTM

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