Cascade utilization of organic Rankine cycle and absorption chiller assisted phosphoric acid fuel cell waste heat for dynamic building demands

• Published in: Energy conversion and management Vol. 263; p. 115699
• Main Authors: Oh, Jinwoo, Jung, Yujun, Kim, Heejoon, Lee, Hoseong
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.07.2022; Elsevier Science Ltd
• Subjects: Building energy demand; Carbon dioxide; Carbon dioxide emissions; Cascade heat utilization; Distributed generation; Drinking water; Emissions; Energy consumption; Energy sources; Feasibility; Fuel cells; Fuel technology; Heat; Heat sinks; Hybrid systems; Low temperature; Mathematical models; Numerical models; Operating temperature; Organic Rankine cycle; Payback periods; Phosphoric acid; Phosphoric acid fuel cell; Phosphoric acid fuel cells; Rankine cycle; Systems analysis; Transient analysis; Waste heat; Waste heat recovery; Cascade heat utilization; Building energy demand; Transient analysis; Organic Rankine cycle; Phosphoric acid fuel cell

•An ORC-ABS-assisted PAFC cascade system is developed for building applications.•The main component models are numerically developed and experimentally validated.•A dual cascading strategy is newly adopted using tap water as heat sink and hot water.•The overall equipment effectiveness of the main co...