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Design of a Control and Automation System for Data Acquisition for Heat Transfer Analysis in a Borehole of a Geothermal Heat Pump
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2024 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis delves into the research conducted within KTH’s Live-In Laboratory, focused on the performance of ground source heat pumps and the characterization of geothermal resources. The primary focus is designing and optimizing a control and automation system for the laboratory’s ground source heat pump installation. Geothermal energy stands as a promising solution for sustainable heating, especially in regions like Sweden, which place a significant emphasis on reducing carbon emissions and have long-standing tradition of utilizing this technology. The report begins with a thorough assessment of the current installation, focusing on its configuration and its injection-only functionality. It then outlines the objectives of the proposed system, which include optimizing the existing control system, developing and implementing effective test automation, expanding capabilities through the integration of new sensors, and creating a public database. The ultimate goal is to automate the experimental investigation of the short-term thermo-hydraulic behavior of borehole heat exchangers, thereby advancing geothermal technology and facilitating research within these installations.

Abstract [sv]

Denna avhandling fördjupar sig i den forskning som bedrivs inom KTH:s Live-In Laboratory, med fokus på prestanda för bergvärmepumpar och karakterisering av geotermiska resurser. Det primära fokuset är att utforma och optimera ett styr- och automationssystem för laboratoriets installation av bergvärmepumpar. Geotermisk energi är en lovande lösning för hållbar uppvärmning, särskilt i regioner som Sverige, som lägger stor vikt vid att minska koldioxidutsläppen och har en lång tradition av att använda denna teknik. Rapporten inleds med en grundlig utvärdering av den nuvarande anläggningen, med fokus på dess konfiguration och hur den fungerar med enbart injektion. Därefter beskrivs målen för det föreslagna systemet, vilket inkluderar optimering av det befintliga styrsystemet, utveckling och implementering av effektiv testautomatisering, utökade möjligheter genom integrering av nya sensorer och skapande av en offentlig databas. Det slutliga målet är att automatisera den experimentella undersökningen av det kortsiktiga termohydrauliska beteendet hos värmeväxlare i borrhål, och därigenom främja geotermisk teknik och underlätta forskning inom dessa installationer.

Place, publisher, year, edition, pages
2024. , p. 85
Series
TRITA-ITM-EX ; 2024:482
Keywords [en]
Geothermal Energy, Ground Source Heat Pumps, Automation System, Control Optimization
Keywords [sv]
Geotermisk energi, markvärmepumpar, automationssystem, optimering av styrning
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-354253OAI: oai:DiVA.org:kth-354253DiVA, id: diva2:1902756
Subject / course
Energy Technology
Educational program
Degree of Master
Presentation
2024-09-06, 00:00
Supervisors
Examiners
Available from: 2024-10-02 Created: 2024-10-02 Last updated: 2024-10-02Bibliographically approved

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CiteExportLink to record
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