Design of measurements and data processing for energy audits in ships
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Keywords
Energy audit ; Ship efficiency ; Measurement methodology ; Signal processing ; Uncertainty evaluationAbstract
This thesis investigates the methodologies and tools used to collect and process
measurement data during shipboard energy audits. The study aims to provide a
structured framework for engineers conducting such audits, focusing on the
accuracy, reliability, and regulatory alignment of collected data. It begins by
categorizing the main technical quantities monitored onboard and evaluates the
most common measurement methodologies based on criteria such as accuracy,
complexity, cost, and suitability for marine environments. A detailed review of
instrumentation, ranging from flow meters and shaft power sensors to temperature
and emissions analyzers, is presented, including comparative tables. The thesis then
analyzes signal processing techniques and estimation uncertainty, outlining best
practices for sampling, synchronization, and data treatment. The study concludes
with a series of real-world case evaluations, highlighting strengths, limitations, and
methodological alternatives. Findings emphasize that proper instrumentation
selection, uncertainty quantification, and adherence to international standards (ISO
50001, ISO 50002, EN 16247-4, MARPOL Annex VI) are essential for producing valid
and actionable audit results. This work serves as a practical guide for audit engineers
seeking to optimize energy performance monitoring in maritime contexts.
Postgraduate Studies Programme
ΔΠΜΣ στη Διοίκηση στη Ναυτική Επιστήμη και ΤεχνολογίαDepartment
Σχολή Ναυτιλίας και Βιομηχανίας. Τμήμα Ναυτιλιακών ΣπουδώνCorporate Department
Σχολή Ναυτικών ΔοκίμωνNumber of pages
70Language
EnglishCollections
Except where otherwise noted, this item's license is described as
Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ελλάδα
Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ελλάδα