A comparison of airborne wear particle emission models based on metro station measurements

Minghui Tu, Jens Wahlström, Yezhe Lyu, Ulf Olofsson

Research output: Contribution to conferencePaper, not in proceedingpeer-review

Abstract

The main sources of non-exhaust particles around metro systems are the wear from wheel-rail contact, brake contact and the contact between mechanical parts in electric power systems. In order to predict the PM10 levels on underground metro platforms, the relation among time, train frequency and PM10 level should be investigated. Two types of particle emission models have previously been published to determine the PM10 level on underground train platform; these are the linear model and the conservation model. The aim of this study is to compare the results from the two models with a set of field measurements PM10. In 2016, a set of field measurements are performed on four underground metro platforms in Stockholm. The predicted PM10 values from the two models are compared with the measurement data. The accuracy of the two models is analysed and the behaviours of the two models in high and low train frequency regions are separately discussed.

Original languageEnglish
Pages150-157
Number of pages8
DOIs
Publication statusPublished - 2019 Jan 1
Externally publishedYes
Event10th International Scientific Conference BALTTRIB 2019 - Kaunas, Lithuania
Duration: 2019 Nov 142019 Nov 16

Conference

Conference10th International Scientific Conference BALTTRIB 2019
Country/TerritoryLithuania
CityKaunas
Period2019/11/142019/11/16

Subject classification (UKÄ)

  • Other Mechanical Engineering

Free keywords

  • Model comparison
  • Particle emission
  • PM10
  • Underground metro platform

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