publication . Other literature type . 2014

The Benefit of Variable-Speed Turbine Operation for Low Temperature Thermal Energy Power Recovery

Brasz, Joost J.;
Open Access
  • Published: 01 Jan 2014
  • Publisher: Purdue University
  • Country: United States
Abstract
This paper analyzes, given the large variation in turbine discharge pressure with changing ambient temperatures, whether variable-speed radial-inflow turbine operation has a similar benefit for Organic Rankine Cycle (ORC) power recovery systems as variable-speed centrifugal compression has for chiller applications. The benefit of variable-speed centrifugal compression over fixed-speed operation is a reduction in annual electricity consumption of almost 40 %. Air-conditioning systems are by necessity always designed for the highest possible ambient temperature. This is not necessary for ORC systems. Lower cost ORC systems are obtained when the design point is sel...
Subjects
free text keywords: Organic Rankine Cycle, variable speed, radial inflow turbine
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Other literature type . 2014
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