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The impact of heat pump load flexibility on its process integration and economics

Walden, Jasper and Stathopoulos, Panagiotis (2024) The impact of heat pump load flexibility on its process integration and economics. Journal of Cleaner Production. Elsevier. doi: 10.1016/j.jclepro.2024.142643. ISSN 0959-6526.

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Abstract

The conventional methodology of heat pump integration has found application in various industries, including cheese production, spray drying, milk evaporation systems, brewing, and meat processing. While several approaches have been developed for optimizing direct and indirect heat recovery in non-continuous industrial processes, the optimal integration of heat pumps in non-continuous processes remains a challenge. This paper introduces a systematic methodology that leverages extensive datasets of time-resolved industrial process data to determine the optimal heat pump integration and the level of heat pump load flexibility that maximizes the economic benefit. Thus, the work establishes a connection between the domain of Process Integration and heat pump load flexibility. Additionally, the study provides insights on the requirements for load flexibility during the design phase of the heat pump, offering an estimation on the need for research on heat pump flexibility. The findings indicate the presence of a load flexibility threshold in the examined case study, beyond which additional load flexibility yields diminishing returns. Furthermore, the study shows that different heat pump integration parameters are chosen based on the heat pump’s capability for load flexibility. Within the investigated case, a heat pump with a minimum load of 55% increases the net present value by 19.3% compared to a load inflexible heat pump.

Item URL in elib:https://elib.dlr.de/204525/
Document Type:Article
Title:The impact of heat pump load flexibility on its process integration and economics
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Walden, JasperUNSPECIFIEDhttps://orcid.org/0000-0001-5068-4568UNSPECIFIED
Stathopoulos, PanagiotisUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:2024
Journal or Publication Title:Journal of Cleaner Production
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI:10.1016/j.jclepro.2024.142643
Publisher:Elsevier
ISSN:0959-6526
Status:Published
Keywords:Dynamic Pinch Analysis Industrial heat pump integration Non-continuous industrial processes Part load heat pump model Heat pump load flexibility Time-resolved industrial process data
HGF - Research field:Energy
HGF - Program:Materials and Technologies for the Energy Transition
HGF - Program Themes:High-Temperature Thermal Technologies
DLR - Research area:Energy
DLR - Program:E SP - Energy Storage
DLR - Research theme (Project):E - Low-Carbon Industrial Processes
Location: Cottbus
Institutes and Institutions:Institute of Low-Carbon Industrial Processes
Institute of Low-Carbon Industrial Processes > Simulation and Virtual Design
Deposited By: Walden, Jasper Vincent Mathias
Deposited On:11 Jun 2024 12:48
Last Modified:13 Jun 2024 12:22

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