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Structural Optimization and Experimental Investigation of the Organic Rankine Cycle for Solar Thermal Power Generation

  • Jing Li

Part of the Springer Theses book series (Springer Theses)

About this book

Introduction

Compared to the conventional Rankine cycle using water, the ORC can create efficient expansion at low power, avoid superheater and offer higher thermal efficiency in low temperature application. Small-scale ORCs from several kWe to a few hundred kWe offer great potential for meeting the residential demand on heat and power, and are of growing interest in scientific and technical fields.  However, one critical problem is the decreased device efficiency and cost-effectiveness that arises when the ORC is scaled down.

In this thesis, the ORC is combined with low concentration-ratio solar collectors. The background, research trend, merits and importance of the solar ORC are described. To reduce the thermodynamic irreversibility and the cost of the system, three innovative solutions are proposed: solar ORC without heat transfer fluid (HTF), which employs two-stage collectors and heat storage units; hybrid solar power generation based on ORC and amorphous silicon cells; osmosis-driven solar ORC. Heat collection, storage and power conversion are optimized. The design, construction and test of a prototype are conducted, demonstrating the feasibility of the ORC for small-scale cogeneration. Special attention is paid to the variable operation and parameter design with respect to the condensation temperature.

Keywords

Combined Heat and Power Organic Rankine Cycle Small-scale Expander Solar Thermal Power Generation Thermodynamic Irreversibility

Authors and affiliations

  • Jing Li
    • 1
  1. 1.University of Science and Technology of ChinaHefeiChina

Bibliographic information

  • DOI https://doi.org/10.1007/978-3-662-45623-1
  • Copyright Information Springer-Verlag Berlin Heidelberg 2015
  • Publisher Name Springer, Berlin, Heidelberg
  • eBook Packages Energy
  • Print ISBN 978-3-662-45622-4
  • Online ISBN 978-3-662-45623-1
  • Series Print ISSN 2190-5053
  • Series Online ISSN 2190-5061
  • Buy this book on publisher's site
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