Evaluation of HVAC systems on ships: An axiomatic design approach

João Carvalho, Miguel Cavique

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The reduction of greenhouse gas emissions has been a major in the world agenda of the last decades. A part of the effort needs to be from emissions in ships, due to the energy use, air conditioning (HVAC) included. Energy efficiency turns the focus of the decision-makers rather than the functions to fulfill. The COVID19 made clear in the shipping industry that indoor air quality is a vital function of all HVAC systems. This paper discusses different ship HVAC systems by evaluating the fulfillment of indoor air quality and thermal comfort. Thus, using the Axiomatic Design theory as a design methodology, it is possible to classify the solutions and choose an appropriate system. As a result, an air handling unit with an economizer serving a zone is a poor design, and a dedicated outdoor air system with fan-coils is a good one. The shipping industry needs a redesigned type of fan-coils.

Original languageEnglish
Title of host publication16th Conference of the International Society of Indoor Air Quality and Climate
Subtitle of host publicationCreative and Smart Solutions for Better Built Environments, Indoor Air 2020
PublisherInternational Society of Indoor Air Quality and Climate
ISBN (Electronic)978-171382360-5
Publication statusPublished - 2020
Event16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020 - Virtual, Online
Duration: 1 Nov 20201 Nov 2020

Conference

Conference16th Conference of the International Society of Indoor Air Quality and Climate
Abbreviated titleIndoor Air 2020
CityOnline
Period1/11/201/11/20

Keywords

  • Axiomatic design
  • DOAS
  • Fan-coil system
  • HVAC ship design

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