Paper Title:
Second Law Analysis of an Organic Rankine Cycle Driven by Solar
  Abstract

In this paper, a thermal power system utilizing low-grade solar energy was proposed and analyzed. It can efficiently use the heat collected by the collector to provide electricity and also can provide some heat energy to satisfy the demand of heat. The system bases on the organic Rankine cycle. The evaporator employed in the system makes the organic working fluid turn to vapour phase at a high pressure level. Also a screw expander is employed in the system to conversion the heat energy to mechanical work. For the proposed system, a working condition was set and the performance of the system was calculated. When the temperature of the heat source is 95°C and the expander inlet pressure is 0.8MPa, the first law heat efficiency is 7.25% and the system exergetic efficiency is 10.14% for the system.

  Info
Periodical
Advanced Materials Research (Volumes 347-353)
Chapter
Chapter 1: Development and Utilization of Solar Energy
Edited by
Weiguo Pan, Jianxing Ren and Yongguang Li
Pages
1083-1087
DOI
10.4028/www.scientific.net/AMR.347-353.1083
Citation
J. Z. Song, X. S. Zhang, "Second Law Analysis of an Organic Rankine Cycle Driven by Solar", Advanced Materials Research, Vols. 347-353, pp. 1083-1087, 2012
Online since
October 2011
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Price
$32.00
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