Title:

A Comprehensive Review of ORC's Application: Waste Heat Recovery System in IC Engine

Authors:

Keyur AJWALIA

Key Words:

orc, waste heat recovery, internal combustion, fuel economy, low temperature

Conference:

Stanford Geothermal Workshop

Year:

2021

Session:

Low Temperature

Language:

English

Paper Number:

Ajwalia

File Size:

664 KB

View File:

Abstract:

Organic Rankine cycle (ORC) is a technology that can convert thermal energy at a relatively low temperature in the range of  80 to 350 °Cto electricity. ORC plays an important role to improve the energy efficiency  in order to generate mechanical or electrical work of new or existing applications like solar thermal power, geothermal power or waste heat recovery system. A key and current solution for increasingly stringent fuel economy and CO2 emission standard is effective recovery of IC engine waste heat. This paper presents the challenges and possible solutions of IC engine ORC waste heat recovery development. It also presents major topics including ORC architecture selection impact on engine,ORC efficiency, and system complexity, Review of control approaches and power optimization methods for IC Engine ORC-Waste heat recovery system, Summary of simulation, limiting factors and results for IC Engine ORC-Waste heat recovery systems. The system architecture selection, the tradeoff between fuel savings and system complexity.The simulation studies predict higher power recovery levels than that in experimental work.


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