A novel design methodology for waste heat recovery systems using organic Rankine cycle

Denny Budisulistyo, Susan Krumdieck

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

This paper discusses a comprehensive design methodology for optimization of organic Rankine cycle designs using a new design to resource method. The objective of the design to resource method is to obtain the best designs, which are the closest match to the resource and the most cost-effective. The design analysis is constrained by the available main components and heat resource. The ratio of net power output to the total heat exchanger area is used as the objective function. The new design methodology was implemented on an existing lab-scale as a case study. Experiments were conducted to obtain the data to identify the heat transfer coefficients of the real processes and validate the simulation model results. Design evaluations were carried out on the plant by using three Capstone gas turbine load conditions and four design alternatives. The results indicate that design 1 has the highest objective function of all the alternatives. It is able to increase the objective function from 100% to 391% of the base case depending on the Capstone gas turbine load conditions. The results also reveal that the current small scale plant is more suitable to Capstone gas turbine load condition 1 with the highest waste heat utilization rate of 76.9%.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalEnergy Conversion and Management
Volume142
Early online date19 Mar 2017
DOIs
Publication statusPublished - 15 Jun 2017

Keywords

  • Cost-effective designs
  • Design methodology of organic Rankine cycle
  • Design to resource method
  • The closest match between design and heat source
  • Waste heat recovery

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology

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