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OR-10-055 — Organic Rankine Cycle Working Fluid Considerations for Waste Heat to Power Applications

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Conference Proceeding by ASHRAE, 2010

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Description

This paper describes the results of an analysis of the opportunity for industrial waste heat to power in the United States using the organic Rankine cycle. The EPA National Emissions Inventory databases are used to quantify the available heat content and temperature of the sources. By frequency, the majority of waste heat sources are at temperatures below 450°F (232°C) however, more than half of the total opportunity for waste heat to power comes from sources with exhaust gas temperature between 500°F and 1000°F (260 and 538°C). While these temperatures are not high enough to make steam based generation attractive they are high enough that working fluid decomposition must be considered in the opportunity analysis. For sources under 1000°F (538°C) including the limitations of working fluid decomposition brings the technically recoverable power from 44 to 32 GW. Total opportunity, including all sources over 300°F (149°C) is estimated to be 51 GW. In addition to opportunity analysis the kinetics of working fluid decomposition are discussed and calculated for several widely used fluids as a function of temperature.

Units: Dual

Citation: ASHRAE Transactions, Vol. 116, pt. 1, Orlando 2010

Product Details

Published:
2010
Number of Pages:
9
File Size:
1 file , 770 KB
Product Code(s):
D-OR-10-055