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Optimisation of Power Plant Operating on Waste Heat of Gas IC Engine Driven Power Generator

[+] Author Affiliations
Matthew G. Read, Ian K. Smith, Nikola Stosic

City University London, London, UK

Paper No. IMECE2016-66550, pp. V06BT08A030; 9 pages
doi:10.1115/IMECE2016-66550
From:
  • ASME 2016 International Mechanical Engineering Congress and Exposition
  • Volume 6B: Energy
  • Phoenix, Arizona, USA, November 11–17, 2016
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5059-6
  • Copyright © 2016 by ASME

abstract

This paper describes the results of computation analysis aimed at assessing the potential benefits of several thermodynamic cycles for the recovery of waste heat from gas IC engines. This is achieved by modelling the plant and expander processes which provides the general specification of the plant in terms of key design parameters. Simultaneously, the thermodynamic performance of each cycle is calculated in terms of flow rate, power and efficiency. Detailed component models allow a rigorous investigation of the design and performance of Organic Rankine Cycle and Wet steam Cycle systems for these applications where the energy from both the water jacket and exhaust gas can be utilised. A number of system configurations are considered including cycles with wet steam expansion and organic Rankine cycles with dry vapour expansion, and the benefits of a steam-ORC cascaded arrangement are investigated. Optimisation of the system configurations provides valuable insight into the performance and practical requirements of IC waste heat recovery systems.

Copyright © 2016 by ASME

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