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A Practical Solution for HVAC Life Estimation Using Failure Models
Department of information engineering, University of Florence via di S. Marta 3, 50139, Florence (Italy).
Department of information engineering, University of Florence, via di S. Marta 3, Florence, 50139, Italy.
Department of information engineering, University of Florence, via di S. Marta 3, Florence, 50139, Italy.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.ORCID iD: 0000-0002-4107-0991
2020 (English)In: 17th IMEKO TC 10 and EUROLAB Virtual Conference: "Global Trends in Testing, Diagnostics and Inspection for 2030" / [ed] Zsolt János Viharos; Lorenzo Ciani; Piotr Bilski; Mladen Jakovcic, International Measurement Confederation (IMEKO) , 2020, p. 85-91Conference paper, Published paper (Refereed)
Abstract [en]

Heating, ventilation, and air conditioning (HVAC) is the technology of indoor and vehicular environmental comfort. The objectives of HVAC systems are to provide an acceptable level of occupancy comfort and process function, to maintain good indoor air quality, and to keep system costs and energy requirements to a minimum. Performing a reliability prediction provides an awareness of potential equipment degradation during the equipment life cycle. Reliability under a range of conditions is one of the most important requirements to guarantee in HVAC installed on trains. Predicting the reliability of mechanical equipment requires the consideration of its exposure to the environment and subjection to a wide range of stress levels such as impact loading. Often analysist find an unavailability of failure data in handbooks and problems for acquiring data for mechanical components, so the mentioned problems demonstrates the need for reliability prediction models. The paper deals with a HVAC installed on a high-speed train and evaluates the failure rates through the failure rate models suggested by the handbooks in order to assess a model which includes all the mechanical parts.

Place, publisher, year, edition, pages
International Measurement Confederation (IMEKO) , 2020. p. 85-91
Keywords [en]
Reliability, Diagnostic, Railway engineering, failure rate, HVAC, useful life
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-82457Scopus ID: 2-s2.0-85097722875OAI: oai:DiVA.org:ltu-82457DiVA, id: diva2:1519006
Conference
17th IMEKO TC 10 and EUROLAB Virtual Conference, Virtual, October 20-22, 2020
Available from: 2021-01-18 Created: 2021-01-18 Last updated: 2021-03-05Bibliographically approved

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Galar, Diego

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