Optimally integrated waste heat recovery through combined emerging thermal technologies: Modelling, optimization and assessment for onboard multi-energy systems

Pouriya H. Niknam, Robin Fisher, Lorenzo Ciappi and Adriano Sciacovelli

Applied Energy, 2024, vol. 366, issue C, No S0306261924006810

Abstract: This paper investigates waste heat (WH) valorisation on maritime vessels from a systemic perspective. It aims to demonstrate how a set of innovative waste heat recovery (WHR) technologies can synergistically work together to valorise waste heat in multiple ways. It proposes and develops a dedicated techno-economic analysis framework and model, surpassing previous literature that focused on individual technologies or specific combinations. Employing a Mixed Integer Linear Programming (MILP) approach, this study evaluates the dynamic and flexible operation of the WHR system throughout the round-trip journey of a vessel. Identifying the most profitable WHR system layout, determining the capacity of technologies, optimising the interconnections between technologies, and establishing strategic WH dispatching are all among the key objectives of the study.

Keywords: Waste heat recovery; Organic rankine cycles; Thermal energy storage; Sorption; Isobaric expansion engine; Maritime decarbonization (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.apenergy.2024.123298

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